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Why the Ford Pinto didn’t suck

Why the Ford Pinto didn't suckThe Ford Pinto was born a low-rent, stumpy thing in Dearborn 40 years ago and grew to become one of the most infamous cars in history. The thing is that it didn't actually suck. Really.

Even after four decades, what's the first thing that comes to mind when most people think of the Ford Pinto? Ka-BLAM! The truth is the Pinto was more than that — and this is the story of how the exploding Pinto became a pre-apocalyptic narrative, how the myth was exposed, and why you should race one.

The Pinto was CEO Lee Iacocca's baby, a homegrown answer to the threat of compact-sized economy cars from Japan and Germany, the sales of which had grown significantly throughout the 1960s. Iacocca demanded the Pinto cost under $2,000, and weigh under 2,000 pounds. It was an all-hands-on-deck project, and Ford got it done in 25 months from concept to production.

Building its own small car meant Ford's buyers wouldn't have to hew to the Japanese government's size-tamping regulations; Ford would have the freedom to choose its own exterior dimensions and engine sizes based on market needs (as did Chevy with the Vega and AMC with the Gremlin). And people cold dug it.

When it was unveiled in late 1970 (ominously on September 11), US buyers noted the Pinto's pleasant shape — bringing to mind a certain tailless amphibian — and interior layout hinting at a hipster's sunken living room. Some call it one of the ugliest cars ever made, but like fans of Mischa Barton, Pinto lovers care not what others think. With its strong Kent OHV four (a distant cousin of the Lotus TwinCam), the Pinto could at least keep up with its peers, despite its drum brakes and as long as one looked past its Russian-roulette build quality.

But what of the elephant in the Pinto's room? Yes, the whole blowing-up-on-rear-end-impact thing. It all started a little more than a year after the Pinto's arrival.

 

Grimshaw v. Ford Motor Company

On May 28, 1972, Mrs. Lilly Gray and 13-year-old passenger Richard Grimshaw, set out from Anaheim, California toward Barstow in Gray's six-month-old Ford Pinto. Gray had been having trouble with the car since new, returning it to the dealer several times for stalling. After stopping in San Bernardino for gasoline, Gray got back on I-15 and accelerated to around 65 mph. Approaching traffic congestion, she moved from the left lane to the middle lane, where the car suddenly stalled and came to a stop. A 1962 Ford Galaxie, the driver unable to stop or swerve in time, rear-ended the Pinto. The Pinto's gas tank was driven forward, and punctured on the bolts of the differential housing.

As the rear wheel well sections separated from the floor pan, a full tank of fuel sprayed straight into the passenger compartment, which was engulfed in flames. Gray later died from congestive heart failure, a direct result of being nearly incinerated, while Grimshaw was burned severely and left permanently disfigured. Grimshaw and the Gray family sued Ford Motor Company (among others), and after a six-month jury trial, verdicts were returned against Ford Motor Company. Ford did not contest amount of compensatory damages awarded to Grimshaw and the Gray family, and a jury awarded the plaintiffs $125 million, which the judge in the case subsequently reduced to the low seven figures. Other crashes and other lawsuits followed.

Why the Ford Pinto didn't suck

Mother Jones and Pinto Madness

In 1977, Mark Dowie, business manager of Mother Jones magazine published an article on the Pinto's "exploding gas tanks." It's the same article in which we first heard the chilling phrase, "How much does Ford think your life is worth?" Dowie had spent days sorting through filing cabinets at the Department of Transportation, examining paperwork Ford had produced as part of a lobbying effort to defeat a federal rear-end collision standard. That's where Dowie uncovered an innocuous-looking memo entitled "Fatalities Associated with Crash-Induced Fuel Leakage and Fires."

The Car Talk blog describes why the memo proved so damning.

In it, Ford's director of auto safety estimated that equipping the Pinto with [an] $11 part would prevent 180 burn deaths, 180 serious burn injuries and 2,100 burned cars, for a total cost of $137 million. Paying out $200,000 per death, $67,000 per injury and $700 per vehicle would cost only $49.15 million.

The government would, in 1978, demand Ford recall the million or so Pintos on the road to deal with the potential for gas-tank punctures. That "smoking gun" memo would become a symbol for corporate callousness and indifference to human life, haunting Ford (and other automakers) for decades. But despite the memo's cold calculations, was Ford characterized fairly as the Kevorkian of automakers?

Perhaps not. In 1991, A Rutgers Law Journal report [PDF] showed the total number of Pinto fires, out of 2 million cars and 10 years of production, stalled at 27. It was no more than any other vehicle, averaged out, and certainly not the thousand or more suggested by Mother Jones.

Why the Ford Pinto didn't suck

The big rebuttal, and vindication?

But what of the so-called "smoking gun" memo Dowie had unearthed? Surely Ford, and Lee Iacocca himself, were part of a ruthless establishment who didn't care if its customers lived or died, right? Well, not really. Remember that the memo was a lobbying document whose audience was intended to be the NHTSA. The memo didn't refer to Pintos, or even Ford products, specifically, but American cars in general. It also considered rollovers not rear-end collisions. And that chilling assignment of value to a human life? Indeed, it was federal regulators who often considered that startling concept in their own deliberations. The value figure used in Ford's memo was the same one regulators had themselves set forth.

In fact, measured by occupant fatalities per million cars in use during 1975 and 1976, the Pinto's safety record compared favorably to other subcompacts like the AMC Gremlin, Chevy Vega, Toyota Corolla and VW Beetle.

And what of Mother Jones' Dowie? As the Car Talk blog points out, Dowie now calls the Pinto, "a fabulous vehicle that got great gas mileage," if not for that one flaw: The legendary "$11 part."

Why the Ford Pinto didn't suck

Pinto Racing Doesn't Suck

Back in 1974, Car and Driver magazine created a Pinto for racing, an exercise to prove brains and common sense were more important than an unlimited budget and superstar power. As Patrick Bedard wrote in the March, 1975 issue of Car and Driver, "It's a great car to drive, this Pinto," referring to the racer the magazine prepared for the Goodrich Radial Challenge, an IMSA-sanctioned road racing series for small sedans.

Why'd they pick a Pinto over, say, a BMW 2002 or AMC Gremlin? Current owner of the prepped Pinto, Fox Motorsports says it was a matter of comparing the car's frontal area, weight, piston displacement, handling, wheel width, and horsepower to other cars of the day that would meet the entry criteria. (Racers like Jerry Walsh had by then already been fielding Pintos in IMSA's "Baby Grand" class.)

Bedard, along with Ron Nash and company procured a 30,000-mile 1972 Pinto two-door to transform. In addition to safety, chassis and differential mods, the team traded a 200-pound IMSA weight penalty for the power gain of Ford's 2.3-liter engine, which Bedard said "tipped the scales" in the Pinto's favor. But according to Bedard, it sounds like the real advantage was in the turns, thanks to some add-ons from Mssrs. Koni and Bilstein.

"The Pinto's advantage was cornering ability," Bedard wrote. "I don't think there was another car in the B. F. Goodrich series that was quicker through the turns on a dry track. The steering is light and quick, and the suspension is direct and predictable in a way that street cars never can be. It never darts over bumps, the axle is perfectly controlled and the suspension doesn't bottom."

Need more proof of the Pinto's lack of suck? Check out the SCCA Washington, DC region's spec-Pinto series.

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My Somewhat Begrudging Apology To Ford Pinto

ford-pinto.jpg

I never thought I’d offer an apology to the Ford Pinto, but I guess I owe it one.

I had a Pinto in the 1970s. Actually, my wife bought it a few months before we got married. The car became sort of a wedding dowry. So did the remaining 80% of the outstanding auto loan.

During a relatively brief ownership, the Pinto’s repair costs exceeded the original price of the car. It wasn’t a question of if it would fail, but when. And where. Sometimes, it simply wouldn’t start in the driveway. Other times, it would conk out at a busy intersection.

It ranks as the worst car I ever had. That was back when some auto makers made quality something like Job 100, certainly not Job 1.

Despite my bad Pinto experience, I suppose an apology is in order because of a recent blog I wrote. It centered on Toyota’s sudden-acceleration problems. But in discussing those, I invoked the memory of exploding Pintos, perpetuating an inaccuracy.

The widespread allegation was that, due to a design flaw, Pinto fuel tanks could readily blow up in rear-end collisions, setting the car and its occupants afire.

People started calling the Pinto “the barbecue that seats four.” And the lawsuits spread like wild fire.

Responding to my blog, a Ford (“I would very much prefer to keep my name out of print”) manager contacted me to set the record straight.

He says exploding Pintos were a myth that an investigation debunked nearly 20 years ago. He cites Gary Schwartz’ 1991 Rutgers Law Review paper that cut through the wild claims and examined what really happened.

Schwartz methodically determined the actual number of Pinto rear-end explosion deaths was not in the thousands, as commonly thought, but 27.

In 1975-76, the Pinto averaged 310 fatalities a year. But the similar-size Toyota Corolla averaged 313, the VW Beetle 374 and the Datsun 1200/210 came in at 405.

Yes, there were cases such as a Pinto exploding while parked on the shoulder of the road and hit from behind by a speeding pickup truck. But fiery rear-end collisions comprised only 0.6% of all fatalities back then, and the Pinto had a lower death rate in that category than the average compact or subcompact, Schwartz said after crunching the numbers. Nor was there anything about the Pinto’s rear-end design that made it particularly unsafe.

Not content to portray the Pinto as an incendiary device, ABC’s 20/20 decided to really heat things up in a 1978 broadcast containing “startling new developments.” ABC breathlessly reported that, not just Pintos, but fullsize Fords could blow up if hit from behind.

20/20 thereupon aired a video, shot by UCLA researchers, showing a Ford sedan getting rear-ended and bursting into flames. A couple of problems with that video:

One, it was shot 10 years earlier.

Two, the UCLA researchers had openly said in a published report that they intentionally rigged the vehicle with an explosive.

That’s because the test was to determine how a crash fire affected the car’s interior, not to show how easily Fords became fire balls. They said they had to use an accelerant because crash blazes on their own are so rare. They had tried to induce a vehicle fire in a crash without using an igniter, but failed.

ABC failed to mention any of that when correspondent Sylvia Chase reported on “Ford’s secret rear-end crash tests.”

We could forgive ABC for that botched reporting job. After all, it was 32 years ago. But a few weeks ago, ABC, in another one of its rigged auto exposes, showed video of a Toyota apparently accelerating on its own.

Turns out, the “runaway” vehicle had help from an associate professor. He built a gizmo with an on-off switch to provide acceleration on demand. Well, at least ABC didn’t show the Toyota slamming into a wall and bursting into flames.

In my blog, I also mentioned that Ford’s woes got worse in the 1970s with the supposed uncovering of an internal memo by a Ford attorney who allegedly calculated it would cost less to pay off wrongful-death suits than to redesign the Pinto.

It became known as the “Ford Pinto memo,” a smoking gun. But Schwartz looked into that, too. He reported the memo did not pertain to Pintos or any Ford products. Instead, it had to do with American vehicles in general.

It dealt with rollovers, not rear-end crashes. It did not address tort liability at all, let alone advocate it as a cheaper alternative to a redesign. It put a value to human life because federal regulators themselves did so.

The memo was meant for regulators’ eyes only. But it was off to the races after Mother Jones magazine got a hold of a copy and reported what wasn’t the case.

The exploding-Pinto myth lives on, largely because more Americans watch 20/20 than read the Rutgers Law Review. One wonders what people will recollect in 2040 about Toyota’s sudden accelerations, which more and more look like driver error and, in some cases, driver shams.

So I guess I owe the Pinto an apology. But it’s half-hearted, because my Pinto gave me much grief, even though, as the Ford manager notes, “it was a cheap car, built long ago and lots of things have changed, almost all for the better.”

Here goes: If I said anything that offended you, Pinto, I’m sorry. And thanks for not blowing up on me.

8" banjo woes for swap

Started by GroceryGetter, July 22, 2018, 10:17:45 PM

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Wittsend

The other thing is that at least with the stock setup (and I have the advantage of the '88 - 190 HP setup) is there isn't much after 4,500 RPM and for sure you shift before 5,500 RPM.  The lower the gears (numerically higher) make that happen - quickly. It seems like lag.., spool rise, boost on-SHIFT.  The feeling of power is very short.  As I stated above the 3.00 allowed for that feel of PULLING. Faster? Who knows but I don't race my car, I just prefer to "feel" the fun.

65ShelbyClone

My tires are only 23.5" tall which I think is shorter than stock. That's probably helping me get away with the 3.00 gears, although I agree that 3.25s or 3.40s would probably be ideal.

'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Wittsend

I had the 3.00 in my car. I actually liked the long time on boost between gears. It really made the car feel like it was P-U-L-L-I-N-G. The negative side was that at normal legal speeds on the street (25, 35, 45 etc.) there never seemed to be a correct gear. It was either too many RPM..., or too few RPM's at the next gear up.  Maybe with 205-60-13's it will be slightly different. At that time I was running 215-60-14's.  I'd say try it and see and then decide from there.

In as much as I harp all the time about tires being as much a part of the "ratio" as the gears if there was a rear gear for the street I'd say it was 3.25 as it relates to a ratio what Ford used (though it is very rare).  The 6-3/4" has a 3.18. But with what was commonly available I'd opt for 3.40 and perhaps go with taller tires. I say all that with 13"tires in mine because i want to use the Rallye wheels.  Frankly I need to get off my butt and mount up some 205-60-13" that I have. I keep saving them for my Tiger which has been on jackstands for 18 years now.

  I get my tires in such an odd ways. I got three eccentially new Sumitumo 175-70-13" for $35 (all), two Sumitumo 205-60-13's for about $11 each and three Federal Formoza 205-60-13's for $10 each.  I hate passing them up at those prices, but them I never seem to have a complete set.  Oh the dilemmas of being a tight wad!

GroceryGetter

Quote from: 65ShelbyClone on July 26, 2018, 11:55:09 AM
I think 4.11s are going to be awfully steep unless you stuff 28" tires under the back.

The plan is to clean it up, replace all bearings, and use 205/60r13s.  The only reason I have the spare carrier is my older brother gave it to me since he never used it in the Mustang he had fifteen years ago.  He sold the car almost a decade back.  It has the early 8" housing pattern with vertical  supports.  If 4.11 is too much then I won't bother.

BTW I had some help bring the axle home.  Of course there's no tag to tell me what's inside.  The rotation check doesn't work because I can't get a full turn.  Something is jammed at a certain point.

Edit: I managed to get it loose.  It's a 3.00:1.  With the 4.03 first gear of the '86 T-5 I just might keep that R&P in there.




pinto_one

Well now that we are on the subject of 8" rear ends , I am cleaning up my shed from extra stuff , I have new in the box 3.40 gears for a 8"   never used , $125 ,  a set of 3.55 gears , they were used for 500 miles and removed to install 3.73s ,  and are in the box they came in , $100 ,  also a banjo 8" housing bare out of a pinto wagon , needs sandblasting , FREE if you pick it up ,  last is a new set of Zoom 4.11 gears for the 6.3/4  pinto rear , still in the org box , $125 ,
76 Pinto sedan V6 , 79 pinto cruiser wagon V6 soon to be diesel or 4.0

65ShelbyClone

That's kind of how I manually calculate RPM and MPH with respect to gearing. I find engine and tire RPM at 60mph and use that as a baseline. From there any changes are based on an equivalence ratio. It sounds convoluted, but only takes 10-20 seconds on a scientific calculator.
My main concern wasn't so much in cruising RPM though, but rather a potential delay in lighting off the Holset turbo due to the breif time spent in first and second gears.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

Wittsend

Quote from: 65ShelbyClone on July 26, 2018, 11:55:09 AM
I think 4.11s are going to be awfully steep unless you stuff 28" tires under the back.

Agreed. Drag cars (and maybe that is his intent???) run tall slicks and that effectively brings down something like a 4.11 ratio to be equal to say... (just guessing here) a 3.73-3.55 ratio with a standard street sized tire.

  I've probably said it 100 times now but I wish there was an industry standard that factored the combined aspects of the rear ratio AND the tire circumference. It would need to be a 'feet traveled per stated number of engine revolutions' kind of standard. Too often I've seen posts where it is stated the person is going to use "this" tire or  "that" ratio and the other aspect is not considered. But the reality is the tire circumference is ever bit as much effective as the actual gear ratio itself.  Again this may be a drag car with tall slicks..., we just don't know.

65ShelbyClone

I think 4.11s are going to be awfully steep unless you stuff 28" tires under the back.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

GroceryGetter

Quote from: Srt on July 26, 2018, 12:36:23 AM
why do you feel the need to swap away from the 6.76" rear end?

1: I have a 2.3T in an '86 T-bird with a T-5 and wiring harness I'm going to swap in
2: I have a $200 (sale) Yukon part # YDGF8-28-SM trac loc unit.
3: I have a ring and pinion 4.11 set from a low miles 63 van
4: I have a dusty Holset HY35 in good shape
5:

Srt

why do you feel the need to swap away from the 6.76" rear end?
the only substitute for cubic inches is BOOST!!!

GroceryGetter

Quote from: 65ShelbyClone on July 25, 2018, 09:32:10 PM
The Maverick axles would probably only need the access hole to be welded; the other three lugs could go between the existing ones.
Your only drop-in option is the Pinto/MII rear. Everything else will require fabrication and/or a wheel change.

Good news.  I found  a MII axle!  It's a while away (Three hours  :( ), but I've bribed my brother to go drive out and get it while I'm stuck at work Friday.

65ShelbyClone

The Maverick axles would probably only need the access hole to be welded; the other three lugs could go between the existing ones.
Your only drop-in option is the Pinto/MII rear. Everything else will require fabrication and/or a wheel change.
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

GroceryGetter

Quote from: Lonny Candel on July 24, 2018, 06:45:11 PM

Also, if you look in the Albuquerque Craiglist under car parts and under Pinto, you will find what looks to be an advertisement for a Pinto front suspension and in the background what appears to be a Pinto axle not specified.

Good to know.  It's worth a shot to send an E-mail.

Edit: Found the posting and...damn.  It's a 6.75 rear.  Thanks for the check though.

https://albuquerque.craigslist.org/pts/d/old-school-pinto-frt-end/6638531405.html

Lonny Candel

Hi Grocery Getter. I got in touch with the guy who is working on my 78 Bobcat to see if he has already put the 8in in which is replacing the 6.75in axle. Thought if he hadn't got it in yet, I may sell it to you. But it looks like he has it on the car already.

I bought the 8in from a kit car that originally came off a 76 Pinto the guy told me. It was his father's. I took the parts and the car to a guy who works out of his house. The car has been there since March, but it looks like he already has the leaf springs and the 8in on the car. He just needs to change the seal, hook up the differential, bleed the brakes, and may need to turn the drums.

Well, I still have the car listed in this forum for sale if interested. I haven't had any luck though. Maybe I'll just end up keeping it, and sell another car instead. Just trying to thin the herd.

Also, if you look in the Albuquerque Craiglist under car parts and under Pinto, you will find what looks to be an advertisement for a Pinto front suspension and in the background what appears to be a Pinto axle not specified.
90 Mustang LX w/ 84 TC 2.3 / 88 TC injectors, VAM, & computer
84 Mercury Cougar LS 3.8
81 Ford Durango 3.3
81 Chevy El Camino 350 Crate

GroceryGetter

Hmm...good to know.  The more I look at the Maverick swap the less I like it.  That MII/Pinto 8" is scarce around here, but I think I'll hold off till I can get my hands on the right axle rather then try to rework the Maverick rear.  I'll see if I can find that writeup and if it's still feasible I'll look into giving it a try.

oldkayaker

On the hub diameters, the 71-73 6.75" rears and steel wheels use a slightly smaller hub size than the later 6.75" & 8" rear and wheels.  So 71-73 Pinto factory hub centric steel wheels will not fit on the 74-80 Pinto's larger hub.

If using the Maverick housing, I suspect the spring perch design is not the same and probably would need modification also.  The Pinto/MII rears have a large oblong locating hole in the spring perch while the Maverick uses I believe a small round hole.  Not sure if the spring perch is in the exact same location either.  Not a big problem, just extra work.  I seem to remember somebody else here describing their similar project in a thread with photos, a key word search might locate it.
Jerry J - Jupiter, Florida

GroceryGetter

Understood.  Thanks though.

Wittsend

Frankly I don't know. I assume you are talking about the hubcentric centering portion of the hub. I have (currently) Mustang II Rallye wheels on my car and as mentioned I have the Mustang II 8". I never did try the old, stock Pinto wheels and the 8". But like I mentioned about the center hole in the brake drum..., you never know.  My expereience isn't "All Pinto," it is more limited to that which I have encountered.

GroceryGetter

Quote from: Wittsend on July 23, 2018, 03:16:41 PM
I hear you.  73 Pinto wagon with 88 Turbo Coupe (stock) drivetrain here.  Also six other cars 73 or older.

Fantastic setup!  It's my hope to be where you are in the next six months, but I'll be fighting off a busy schedule.

One more question since it just popped in my head.  Are the hubs (diameter) for the wheels on the 6.75, Maverick 8", Pinto 8", and MII 8" all the same?

Wittsend

I hear you.  73 Pinto wagon with 88 Turbo Coupe (stock) drivetrain here.  Also six other cars 73 or older.

GroceryGetter

Fantastic Witt and I really appreciate the help.  I used to be into the SVO Mustang, XR4Ti, and NATO (Turbo coupe) crowd until California made it REALLY hard to play with any aftermarket performance on the OHC 2.3 and the Pinto is the only choice left to play with this engine without interference from C.A.R.B. in California.  Anything after 1975 still requires a smog check in most counties and with the axle swap the turbo block won't be far behind.


Wittsend

In general, no it should not be an issue but do everything at your own risk. Wheel offset alone (with different wheels) often changes the relationship more than the 1/2" difference. And if I'm not mistaken the Maverick is 1/2" shorter. So that would offer more room for a wider (or more offset) wheel The only problem is it does puts the wheel that much closer to the rear spring so watch for that.  Also, if I recall correctly the springs are not parallel. So measure at the front AND back for any clearance issues.

Oh, one other issue. When I went to an 8" (4X4.25) I got my rearend "drum to drum" out of a Mustang II. It was only $10 more and I'm glad I did.  Even though the drums have a common stated diameter for the shoes..., the center hole of the drum was different 8" to 6-3/4". I mention this because I don't know if that becomes a hub centric problem for your wheels.

Three other things to check. One is the parking brake cable attachment at the backing plate and the length of the cable itself. The other is the yoke, that it will fit your driveshaft.  Oh, and due note that the axle centerlne to the U-joint centerline is different on the 8". Therefore the driveshft might not fit.  I was fortunate in that my C-4 / 6-3/4" to T-5 / 8" swap allowed the use of the same driveshaft!  Lastly the spring pads on the Maverick rear might not line up properly with the Pinto springs.

Anyway, a lot more to consider than the1/2" width and bolt pattern. Hopefully someone who has done the swap will chime in. Traffic here is EXTREMELY light. Frankly it baffles me that we seem to get more people added as new members (noted as a "welcome" post) than we seem to get general activity on most days. So it may take some time before you get an answer..., or just proceed regardless.

GroceryGetter

It was a mostly a check to see if I had any part of my thinking wrong.  The most cost effective and easiest solution for me at this time is to simply remove a Maverick axle (there are two in local yards), weld the old holes, and simply re-drill to 4x4.25 at a shop.  The only problem left is that 1/2" in the track from front to rear.  The cheapest solution to cure that is run 15mm spacers like those below and go over by .09 of an inch.  Previously I made the mistake of thinking spacers didn't have a hub-centric lip, but this pair does.  I also "think" that minor bit sticking out extra won't make a difference.

https://www.ebay.com/itm/2-15mm-Hubcentric-Wheel-Spacers-4x108-63-4mm-Hub-12x1-5-Studs/201921798339?hash=item2f037a20c3%3Ag%3AT5EAAOSwovNaBQIS%3Asc%3AUSPSPriorityFlatRateBox%2194551%21US%21-1&_sop=15&_sacat=0&_nkw=4x108+spacer&LH_BIN=1&_from=R40&rt=nc&LH_TitleDesc=0%7C0

If the 1/2" difference is not a problem for everyday use, then I won't bother with $25 spacers.  I would go with them outright instead of welding the old holes on the axles, but for some reason nobody makes a 15mm spacer with the hub-centric lip in a 4x4.5 to 4x4.25 conversion.




Wittsend

You seem to answer your own question. Between wanting to use your existing wheels, concern about being lug centric, tire rotation and (spare) and not spending a lot of money you simply need a Pinto/Mustang II 8" rearend. The other option of the Maverick 8" will be no easier to find either. As Archie Bunker use to say, "Case closed Edith."

GroceryGetter

Let's see if I can get this worked out just in case I have any part of this wrong...

(T/F?) The Pinto and Bobcat from 1975 to 1978 did come stock with the 8" banjo rear axle (as an option?) with a 4x4.25 lug bolt pattern.  What I'm trying to figure out for my '74 wagon is how to obtain an 8" for increased strength to replace the dinky 6.75 currently in there.  Now the 71-77 Maverick axle is an option from what I see, but the 4x4.5 lug won't allow me to use the wheels I have.  It also creates a problem for tire rotation unless I change the fronts to 4.5 as well, but I'd rather not do that.  I'm at a crossroads right now whether to wait it out and find a stock 8" from a MII or Pinto or simply mount the Maverick axle on as is and add 1" spacers that change the pattern from 4x4.5 to 4x4.25.

Now if I do the latter I'm concerned about the wheels being hub centric instead of lug centric and if they have the strength to stay on.  Imbalance at thigh speeds is a major concern. Something else I considered is simply replacing the axle shafts with something in a 4x4.25 profile, but I don't know if anything out there exists as an inexpensive swap option such as the fox 7.5 or 8.8 axles in a 28 spline.  I also heard of simply having a machine shop weld up the old holes on the maverick axles, but that sounds like big money.

Am I overthinking this?

http://www.teufert.net/wheels/bolt-pat.htm

http://oregonhotrod.com/Rear%20Axle%20Measurements.htm