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Offline LongTimeFordMan

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Pinto 2.0 and capri 2.0 flywheel compatibility
« on: October 11, 2017, 12:47:18 AM »
Hi..
Does anyone know whether 1973 2.0 capri and pinto flywheels are the same
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

Offline dick1172762

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #1 on: October 11, 2017, 04:21:59 PM »
Best I can remember is that the flywheels have a different number of teeth and will not interchange unless you use a Capri starter. For what its worth, a 2300 Pinto / Mustang II flywheel will work on a 71/74 2000 engine after the bolt pattern of the 2000 crank is drilled into the 2300 flywheel. ALL aftermarket flywheels sold in the USA are double drilled with both bolt patterns so they will work on either engine with no other mods. Starters and clutch's are all the same.
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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #2 on: October 11, 2017, 07:57:20 PM »
Thanks for the info...
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

Offline dick1172762

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #3 on: October 12, 2017, 04:20:38 PM »
Try  http://www.burtonpower.com  for 2.0L parts and tech. Free catalog too.
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Offline robertwwithee

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #4 on: October 18, 2017, 11:53:07 AM »
Hi..
Does anyone know whether 1973 2.0 capri and pinto flywheels are the same
I believe they are.  I have had both engines over the years.  I have extra if you need any.

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #5 on: October 18, 2017, 03:07:26 PM »
Thanks for the info Robert.. where are you located and how much would you need for the flywheel and shipping?
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #6 on: October 18, 2017, 03:11:10 PM »
Thanks for the info Robert.. where are you located and how much would you need for the flywheel and shipping?
Im in portland or area.  And dont know ship costs.  What zip are you at?

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Offline LongTimeFordMan

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #7 on: October 18, 2017, 03:16:11 PM »
Dallas, tx 75098...

I talked to Brian at Racer Walsh and he may have one as well

I assume that the flywheel weighs quite a bit...
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

Offline dick1172762

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #8 on: October 18, 2017, 03:40:59 PM »
Longtimer! I lived in Garland until 2000 when I moved to Springdale. Arkansas. I raced out of Garland from 1963 to 1980 when I moved to Denver. Left there in 92 and moved back to Garland. If I'm ever back, I'll have to stop in Sexy Sachse and say hello. Us old guys need to stick together. Right?
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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #9 on: October 18, 2017, 09:50:11 PM »
Actually I manage the little rv park up on hwy 78 just north of the kroger.

Been her since I moved from.los angeles 3 years ago.

As far as my engine rebuild I have 2 blocks, one rear sump from capri and one front sump pinto, but someone cut the top driver side bellhousing mount from the pinto block, possibly to use the engine in a model A.

Both had pistons and  crankshafts and heads, no flywheels but front aluminum  covers. I opted to have the capri block redone, bored .060, new 8.1 pistons, rods resized, etc.

The block has been bored, the capri crank turned .020 and have new bearings.

I checked the bolt pattern on both  crankshafts today and realized that the pattern seems the same but the bolt holes in the capri crank are threaded with a fine thread and the pinto crank with coarse threads.  The fellow machine shop said he thought there would be no problem mating the pinto flywheel to the capri crank if i used the fine thread bolts..

As of now I have a couple of leads for a used crankshaft, one from brian at racer walsh and a couple of offers from folks here..

Should I wait till I get a flywheel and make sure it fits before I have the block assembled with the capri crank or have the pinto crank turned to match the bearings
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #10 on: October 19, 2017, 10:36:30 AM »
Always replace the flywheel bolts every time you build a new motor. 2.0 engines have a problem shearing off the bolts due to the way they shake and vibrate at road speeds. Cheap insurance. I use ARP bolts in both 2.0's and 2.3 engines with no problems. Another thing that helps 2.0's drive better is running a cable or small chain from high up on the front of the engine to the fender well on the driver's side. You'll be happy about how much smother the car starts from a dead stop. In the mid 80's Ford did this on some V6's by using a side ways shock from the engine to the fender well. NEVER mount a 2.0 engine solid in a car. They will break every thing that's breakable due to the vibration. If you run a header on a 2.0, it will break sooner or later due to the same vibration. You'll never know how bad the 2.0 vibrate till you race one.
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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #11 on: October 19, 2017, 11:11:18 AM »
Thanks for the advice Dick.  I called brian at racer walsh and he said that the crankshaft with the fine thread flywheel bolt boles is the correct one, be is trying to locate a flywheel for me. And I will be buying new bolts from him as well..

I k ow what hou mean about the vibration in a 2.0.  Years ago I built a 2.0 for a 72 capri and
Put a 390 cfm holly 4 bbl on it and the engine vibrated so badly that after about a year the booster venturies in the carb worked loose and I had to peen them down every couple of weeks.

I plan to keep the new engine pretty much stock, mild cam for low end torque, 270 x 420 or so, head mill .030 to get a little more compression, to improve gas mielage and not lose driveability.

I want the motor to cruise on the fwy for long trips at between 2000 and 3500 rpm with top 3nd for shifting around 5000.
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

Offline pintosopher

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #12 on: October 19, 2017, 11:12:23 AM »
Actually I manage the little rv park up on hwy 78 just north of the kroger.

Been her since I moved from.los angeles 3 years ago.

As far as my engine rebuild I have 2 blocks, one rear sump from capri and one front sump pinto, but someone cut the top driver side bellhousing mount from the pinto block, possibly to use the engine in a model A.

Both had pistons and  crankshafts and heads, no flywheels but front aluminum  covers. I opted to have the capri block redone, bored .060, new 8.1 pistons, rods resized, etc.

The block has been bored, the capri crank turned .020 and have new bearings.

I checked the bolt pattern on both  crankshafts today and realized that the pattern seems the same but the bolt holes in the capri crank are threaded with a fine thread and the pinto crank with coarse threads.  The fellow machine shop said he thought there would be no problem mating the pinto flywheel to the capri crank if i used the fine thread bolts..

As of now I have a couple of leads for a used crankshaft, one from brian at racer walsh and a couple of offers from folks here..

Should I wait till I get a flywheel and make sure it fits before I have the block assembled with the capri crank or have the pinto crank turned to match the bearings

My Imsa 2.0L motor had the entire flywheel/pressure plate apparently balanced together with 2 small dowels in the crank bolt pattern. When I foolishly added a 10K RPM clutch flywheel (twin disk) to the car, I was jacked up until, ( Throttle response like a Motorcycle, Half the weight) the Rpms and harmonics with standard motor mounts caused the Alternator to unscrew the 2 halves! An Esslinger small crank pulley helped that , but still had to Loctite the Alternator screws. A $700 lesson in engine balancing and a new wall clock for the garage as the Clutch pressure plate unscrewed the bolts holding it to the flywheel. Lucky for me between races and while checking the whole engine out statically before prepping the car for a new season. Hasn't been run since until I can do this right ($$$$) :o
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Offline LongTimeFordMan

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #13 on: October 19, 2017, 11:32:33 AM »
Firstly, I really appreciate all of your comments and suggestions.

My main problem is that I bought 2 bare blocks with heads and am trying to piece together the external stuff like flywheel, front pulley, etc

Well Ive read a lot about lightweight flywheels and have been tbi king that the purpose of a flywbeel, other than providing a mating surface for the clutch is to sort of smooth out vibration and conserve energy between the firing of the cylenders and and reducing the weight would defeat that purpose.

Also when moving a 2000 pound car,  and all of the rotating mass of the rear wheels, reducing the weight of the flywheel wouldnt do much for the overall energy
required to speed up the engine except between shifts.

Also the stored energy of the rotating heavy flywheel might improve initial acceleration.

As stated above, My goal is to just improve the efficiency of rhe engine for long trips like the stampedes and not lose around town low speed driveability.

The factory engine is doing fine, albeit not getting much mpg, and I want to change it out and keep it for posterity in case my grandkids want to put the car back to factory condition at some point.

Im more or less just building a replacement engine that I can drive to save the factory engine.

I usually shift at between 3500 and 4500 and rarely push the accellerator pedal.more than half way down. Dont think I have ever really floored it for more than 3 seconds.
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

Offline LongTimeFordMan

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #14 on: October 19, 2017, 11:40:35 AM »
Also, one of the reasons that I opted to build an intake manifold for the SU carburetors was my experience with the holly 4 bbl vibrating apart. The SUs are simpler and tend to hold up better and should be easier to tune for mileage.

Ill be posting pix of the progress with that when i have them
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #15 on: October 19, 2017, 08:02:33 PM »
The Race motor was built for the old IMSA RS series back in the 70's. When I pulled the engine out of a street Pinto, I dropped the pan,, and lo! a balanced lightened crank with the previously mentioned Clutch single disc Flywheel (balanced together obviously)
 The motor had dual 40 DCOE carbs and was quite strong. Pulled to 7500 rpms easily but was slow to build revs with that flywheel combo. Very streetable though. In the quest to get more response upon corner exit in Hillclimb racing , the lightweight unit allowed for exit wheelspin with 9" road racing slicks on all 4 corners.  The answer for my usage was to get a better unit (read Tilton!) and rebalance the entire crank/flywheel assy. This is the price we pay for microseconds of speed in the quickest form of motion.
 No doubt it wasn't streetable anymore ( No Discs with spring hub, all or nothing engagement) Old Combo weight 31lbs, new combo weight 15 lbs. Choices and compromise.... ::)

There's a compromise weight for your usage... It'll still be drivable on the street
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Offline LongTimeFordMan

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Re: Pinto 2.0 and capri 2.0 flywheel compatibility
« Reply #16 on: October 19, 2017, 09:14:46 PM »
Yep.. everything is a compromise..  the challenge is to find the combination that suits your needs..

Mine is to just find all the pretty much stock external stuff for a pinto
Red 1973 pinto wagon DD, SoCal desert car, Factory 4 speed, 3.40 gears, Stock engine, 14" rims and tires, 60 K original miles