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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.

A/C install

Started by flash041, March 03, 2013, 04:36:35 PM

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pintoguy76

Anyone know if a 71-73 AC box will fit a 74??? I know where a 73 with AC is at, if I can just find out if it will work...
1974 Ford Pinto Wagon with 1991 Mustang DIS EFI 2.3 and stock Pinto 4 Speed

1996 Chevy C2500 Suburban with 6.5L Turbo Diesel/4L80E 4x2

1980 Volvo 265 with 1997 S-10 4.3 and a modified 700R4

2010 GMC Sierra SLE 1500 4x2 5.3 6L80E

65ShelbyClone

I call second dibs after Dianne.  ;)
'72 Runabout - 2.3T, T5, MegaSquirt-II, 8", 5-lugs, big brakes.
'68 Mustang - Built roller 302, Toploader, 9", etc.

dianne

Quote from: jeremysdad on April 24, 2014, 04:13:16 PM
If anyone wants my condensor/drier (the parts in front of the radiator) and hoses from a 72/2.0, I'm getting ready to pull them off. Otherwise they'll meet the same fate the compressor did...the dump. :) lol

I need one!!!! I'll buy them :) Been asking and looking for one for mine!!!
Vehicles:

- 1972 Plymouth Duster (To be a Pro Street)
- 1973 Ford Pinto wagon (registered ride 195)
- 1976 Mustang II mini-stock
- 1978 Mustang King Cobra II
- 1979 Ford Pinto Runabout
- 1986 Chevy K5 Blazer
- 1997 Suzuki Marauder

FORD: Federal Ownership Respectfully Denied

jeremysdad

If anyone wants my condensor/drier (the parts in front of the radiator) and hoses from a 72/2.0, I'm getting ready to pull them off. Otherwise they'll meet the same fate the compressor did...the dump. :) lol

Reeves1

I see you found the heater hose locations. The picture below shows them on a 72. Look in the trans tunnel & you'll see the location for the drain hose.
Yes, the fire wall (and likely trans tunnel) are dimpled from the factory.
Best way to fix the box (under front cowl) is to get a spot weld bit & remove them. Weld another one in.
Every long trip is shortened by the first step.



A/C holes next to heater motor hole, welded up.




I have an A/C unit. May still have the ducting ? I'll never use them. Even the heater motor/fan is different than a "normal" one.
Shipping to the States likely killer though.

74 PintoWagon

Bummer, I just threw away a complete factory add on AC system couple months ago.. :(
Art
65 Falcon 2DR 200 IL6 with C4.

not for me

hello, I hav to ask where did you find the ac unit to install?  I am looking for one for a bobcat 1977 -the complete unit --including dash vents --help --thanks b

flash041

I found the right fitting and switch at Nostalgic AC parts. Put it on, vac test showed no leaks, charged it! Was blowing 47 degrees. After a day it quit working. Compressor running but not cold. I put dye in and found a loose fitting and schrader valve. Tightened them and recharged yesterday. Today still blowing cold. I will drive it the next few days to make sure it works before leaving for the Stampede on Wednesday. I am bringing extra 134a along! Good thing it is only $6 a can. 
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Just over two weeks till the Stampede. Weather in Memphis mid to upper 90's....I guess id better get back to work on the A/C job. So this past weeekend I did. My camera quit so no pics. I did run all the lines and monted the compressor and condenser. I thought I could just slip the condenser right in. I thought wrong and had to remove the hood latch, p/s cooler , bumper, bumper filler. I put the r134a fitting on the low side. On the high side I picked up a tee with a low/ high pressure switch which is mandatory for 134a conversion. Ony problem is the one I have is for the smaller r12 port. I need to find one for the larger port.I did try running it to see if the compressor would come on ...and it did! So as soon as I locate the right fitting I will have it pressure tested and charged.Wish me luck!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Made the metal duct and got the inside put back together.I layed the cardboard duct that I made and traced and cut it out of metal. I then pop riveted it together and sealed it with metal duct tape. I want to get the car all cleaned up for now. There is a car show this Saturday. Temps in the 30's , but no rain for once.I still have to remount my CB radio. The a/c box is larger that the non a/c, so i hope my original one fits, if not ill have to install a smaller radio.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Today I visited a salavage yard to look for the duct.The yard had a 79 Rally there, so if it had a/c it would have the gauge package and the correct duct.I called ahead and asked if  the red Pinto was still there. He said yes. So in 38 degree pouring rain I went to the yard.I knew where the car was, but it was gone.They had a red and green one, but the Rally was gone. So after a few e-mail phone calls and soggy trip to the yard with no luck I decided to fabricate my own. Tonight I made one out of cardboard. It seems to fit perfectly! So now ill make one out of tin.     
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Got the center vent cut into the dash. Does one by chance have the center duct for the single vent with gauge package? I have the dual center vent one. 
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

I have full voltage to the ambinet switch. Does any know when the swithch is open or closed? Any way I removed the passenger side inner fender and mounted the vacuum canister.Then I hooked up the controls to test the functions. They all work!   
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

As best as I can tell there is nothing blocking it and the box is as close to the firewall as possible. I used the old non a/c heater rubble hose seal, cut another hole in it and connected the heater hoses. Then I worked on installing the duct work. I had to pull the instrumnet cluster to run the one on the left side.I also installed the ambinet temp switch behind the grill.I then tested the the blower and the a/c clutch feed wire. The blower works fine all 4 speeds, but I an only getting a couple of volts to the a/c clutch wire. Not enough to energize the idle solenoid. I guess ill have to trace the wire back to find my voltage drop. Any Ideas where to look ? 
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

After finishing the hole I glued up the insulation and installed the heater/ evaporator box. On thig to note you must remove the blower and air intake to fit the box in.Temporaly wire the air intake in place. One the box is in screw it back together.I have runinto an issue.The heater core tube seal wont fit flush against the fire wall. I may have a piece of insulation blocking it, or am missing a seal. Ill check it out tomorrow.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Next, cut the 1 3/8 hole for the evaprator drain. Also attach the drain deflector on on the fire wall. The delector keeps the water from driping on the exhaust.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Your welcome! Thats what is great about this site. We get lots of good ideas and inspriation to keep our cars going! I ordered some parts from Fred Morgan and hope to have them in a few days so I can continue with my install...stay tuned.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

wbacon8780

I actually got some sheet metal, I cut it to fit. I used some sheet metal screws and got it to fit pretty good. Then I removed it all and put some por15 everywhere in the cowl I could reach and coated the new sheet metal also. When it dries I am going to put it back in and seal it up good with bondo and fiberglass mat. I do not plan on putting The ac/heater box back in, looking at a small aftermarket unit instead. Your posts and pictures inspired me...Thanks. will post a pic when done.

flash041

I have some suface rust on the heater side, but not as much as that.I would either fab a piece of metal and riviet and fiberglass it in to place.From the bottom there is good access in that area. Another though is seeing if Fred Morgan can send yod a rust free section and cut and fit it in.It may be easier. All the curves and bends will be hard to duplicate.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

wbacon8780

Flash, this is the rust hole I am dealing with. This is right side of cowl above ac/heater, any ideas?


flash041

     Thanks Rick. If I dont have all the parts ill have to locate or fab them.So far I seem to have things. I do have the sensor and wiring.
     Continuing on the inside wiring, the a/c blower wires and switch are different from the non a/c cars.The power wire coming from the fuse box,brown orange stripe,is the same color, but is a 12 gauge on the a/c car, 14 gauge on the non a/c.The 14 would more that likley be ok , but since I have the heavier one I decided to install it.I used a pick to bend back the tabs that holds it in the fuse block. Then put the new one in bending the tabs out before installing it so it locks in place. Then put in a 30 amp fuse in place of the 15 amp.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

ilvmy76

Quote from: flash041 on March 16, 2013, 02:21:20 PM
Last night I studied the wiring diagrams to see if I had to run wires for the compressor clutch and idle solenoid.Turns out the wires are aleady run under the hood.A unused single wire plug near the voltage regulator, black with yellow hash marks,is the wire for the a/c clutch and idle solenoid.Plug for the ambinet temp sensor switch in located on the raditor support. Does any one know where the sensor mounts?

Dave,
  Sorry to hear about the house situation, good to see you working on the AC project. As far as the ambient temp. sensor goes, if I recall correctly, it mounts right behind the grill on the vertical support/ latch support for the hood latch, down toward the bottom. Somehow I get the feeling I forgot to give that to you with the rest of the parts? If I did forget then, damn, sorry. Incase I'm wrong could someone else with an AC car check and verify weather I'm right or wrong please, thanks.
worry does not empty tomorrow of it's troubles, it emptys today of it's strength!

flash041

Moving to the under dash wiring.First add the light green/purple hash wire for the a/c clutch. The wire goes in the empty hole in the eight wire green harness plug.I seprated the plug and removed the red keeper.I then inserted to wire into the hole,and reinserted the keeper.   
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Last night I studied the wiring diagrams to see if I had to run wires for the compressor clutch and idle solenoid.Turns out the wires are aleady run under the hood.A unused single wire plug near the voltage regulator, black with yellow hash marks,is the wire for the a/c clutch and idle solenoid.Plug for the ambinet temp sensor switch in located on the raditor support. Does any one know where the sensor mounts?
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Got the new heater core and the evaporator installed in the heater box. I removed the old one and compared the two and discovered the A/C one uses two different mounting holes.I made a cardboard template and discovered where the other two hole are there are dimples in the firewall.Ill have to drill those two holes.Any one know of any other holes needed drilling? It is far easier now then later.
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

flash041

Got back to work on the car. First I cut and shaped a piece of sheet metal and used short fiber fiberglass filler and pressed it into place.I did this so the resin I used in the next step did not drip through the holes.Then I cut fiberglass mesh , placed it in the cowl and brushed in liquid resin. Next I put in the cowl plug out of the donor car,this opening does not get used with A/C.I filled in the gap from the rust with the same fiberglass filler.I dont plan to ever remove it again! After I wan done I tested it by pouring water into the cowl....no more leaks!
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible

wbacon8780

Getting ready to do the same thing. I was gonna use POR15 and Powermesh.

flash041

Today I started installing A/C in my Cruising Wagon.We have been busy the last three months trying to sell our house.I had 14 years of neglected home improvement,no Pinto time .We had an accpeped offer on our "Dream Home" contingent on selling ours.Ours hasent sold yet , and we got bumped by another buyer.We are not so eager to sell ours now.So now is the time to watch less HGTV and get to work putting the A/C in so my wife and I can have a "cool ride" for the Stampede this summer.
          I started pulling the dash apart.After pulling the drivers side vent I found some undiscovered rust.Along with the rust I found some hood insulation.I figure that what held the water and made it rust.I plan to remove as much loose rust , then use a rust converter. Seal it up with fiberglass mesh and resin. I dont want to be welding up under the dash. 
1978 Pinto Cruising wagon (I am the original owner ! ) Built Aug 15th 1977 in NJ
1993 Mustang LX 2.3 convertible