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Old 01-24-2007, 07:00 AM
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channeling a body

Has anybody done any channeling on a 51 Pontiac? I am hoping to put a 2002 GMC chassis under and may have to lower the body. Haven't gotten any measurements yet but have the complete chassis with 10,000 miles and thought it could be made to fit. I know it will have to be shortened and probably flare or widen the fenders but the channeling would be the biggest thing at the moment. Any ideas or help? The Pontiac is a Super Deluxe Catalina 2 dr hardtop. Thanks Ken

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Old 01-24-2007, 08:04 AM
 

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A little more info? Why that chassis? Desired ride height? Suspension styles? Will there be enough room above the chassis lower line for the powertrain, exhaust, etc, etc...

Have you done any drawings / measurements ? That'll help us help you.
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Old 01-24-2007, 08:49 AM
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Do not destroy that wonderful body just because some old truck chassis is in the back yard. It is never better to change to a late model chassis on a passenger car. Rear suspensions on virtually all early cars are perfectly fine to use as is, or replacing the springs if sagging. Front suspensions are also quite usable. and can be modified with better brakes and a power steering setup.
If a person were going to attempt this change and expect some semblance of a decent car from it do this.
Remove the body from the Pontiac frame and store it.
Place the Pontiac chassis on side of the garage.
Right next to it place the alternative frame lining up the rear axles of both vehicles.
Measure and record the difference in wheelbase.
Measure and record the difference in tread width front and rear.
Measure and record the difference in frame contour in the horizontal plane from front to back .
Measure and record the difference in frame perimeter cross measurements front to back.
Measure and record the differences in front and rear frame overhang from front axle center and rear axle center.
Study and compare the differences.
Pull the drivetrain from the Pontiac and sell it to a restorer or ratrodder.
Pull the drivetrain from the alternative chassis and install it in original Pontiac frame IF rearend is narrow enough to work. If not, buy workable rearend.
Sell alternative chassis to junkyard or truck fancier.
Finish up work on renewed chassis.
Marvel at how much time, work, and money you have saved yourself by doing it the good old fashioned(RIGHT) way.
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Old 01-24-2007, 08:56 AM
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Channeling a body to make up for a bad choice in chassis or chassis modification is bad economy.
Please understand that I want you to have a car project that will not make you crazy attempting it, that will not destroy a desireable body, that you can be proud of when finished (and correctly so), and that end up being a usable and attractive vehicle when completed. Some things just shouldn't be done when you can do it right and end up with a project that is worth something.
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Old 01-26-2007, 04:24 AM
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Thanks for the replys. That was just what I was looking for. I will now start rethinking the project with a subframe from a Trans Am or something like that. The motor in the 51 is seized and the rear and trans are no good either. I have a 455 with th400 to go in it also but may just go with the 5.3 out of the 2002 or sell the whole chassis to fund the project. Again thanks for the input. Ken
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