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Old 08-04-2007, 05:53 PM
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1970 Pontiac Lemans

The chassis in my `70 Lemans is a POC. Can I use a 70 Chevelle chassis? Or should I find another Pontiac chassis? Any other options??

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Old 08-04-2007, 06:14 PM
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Your project

I actually have one of each and this is just my opinion but it would run down the road crooked unless you do a body to frame tie and if it's a four speed one good time of grabbing second through hard and it would be done you'd have to have cost them drive shaft my advice would be to abort it
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Old 08-04-2007, 06:52 PM
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Originally Posted by south65ss
The chassis in my `70 Lemans is a POC. Can I use a 70 Chevelle chassis? Or should I find another Pontiac chassis? Any other options??
All 68-72 A-body cars use the same frames. 2dr HT and Post sedans use a 112" wheelbase C-channel frame. Converts use a 112" boxed frame. Wagons and 4 drs used a 116" open frame. Monte Carlos and Grands Prix used a 115" frame. Vista Cruisers and Buick Sport Wagons used a 121" boxed frame. Get the matching frame and it's a bolt-in.
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Old 08-05-2007, 06:00 AM
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While you are at it and the car is all apart one might as well clean all the pieces and paint them before it goes back together..looks better and lasts longer that way..Take care of any boxing or mods as well..If one gets stuck on those chassis one can carefully cut them at the factory weld seams and weld it back together at the correct wheelbase..That is say you come up with a good chassis but is from a car that had the longer wheelbase..

I have tried most all of it and now do what is known to work..
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