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Old 12-18-2010, 07:31 PM   #1
64GMCHorsepower
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Question what does a-body or f-body mean?

I've been looking at control-arms and other suspension stuff....

I have noticed a lot is categorized as for a-body or f-body.

are our trucks (60-up) classified as a-body, or is only for passenger cars?

some suspension stuff says a-body, and then sometimes you see a grouping for trucks, so I was curious.....
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Old 12-18-2010, 07:35 PM   #2
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Re: what does a-body or f-body mean?

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Originally Posted by 64GMCHorsepower View Post
I've been looking at control-arms and other suspension stuff....

I have noticed a lot is categorized as for a-body or f-body.

are our trucks (60-up) classified as a-body, or is only for passenger cars?

some suspension stuff says a-body, and then sometimes you see a grouping for trucks, so I was curious.....
a body = mid sized GM passenger autos (Chevelled, Cutlass, Skylark)
f-body = sport (Camaro, Firebird)
x-body = Nova, Ventura, Apollo
y-body = Vette
g-body = metric chassis mid size (Malibu/MonteCarlo, Regal, Cutlass Supreme, Buick GN
b-body = full size (Caprice, Impala)

Trucks are . . ....
C-10 (Chevy) c1500 (GMC) = 1/2 ton 2wd
C-20 / c2500 = 3/4 ton
C-30 / c3500 = 1-ton

There were different 'tags' applied over the years for the truck models so these are just the basics.
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Last edited by SCOTI; 12-18-2010 at 07:41 PM.
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Old 12-18-2010, 07:44 PM   #3
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Re: what does a-body or f-body mean?

It was used to classify goroups of cars the used similar parts when crossing "brand name" lines. I.E. Camaro/Firebird, the basic car was the same. They had some sheetmetal differences and trim parts were different, but the main "core" of the car was the same.
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Old 12-18-2010, 08:15 PM   #4
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Re: what does a-body or f-body mean?

if your looking at arms you will need to keep in the year range of your truck. in the case of the trucks from 63-66 and 67-72 you can swap in the 73-87 arms and get the disc brakes with very little effort. plus that also opens you up to running 73-87 drop springs, drop spindles etc.

The other year ranges for 1/2 ton trucks are 88-98, 99-06, 07-10, maybe 11.

the 3/4 and one ton trucks have some overlapping years, like Duallys and Suburbans went farther than the 1/2 ton trucks did.

Thats one good thing about Generic Motors, everything is the same and lots of things interchange.
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Old 12-19-2010, 11:31 AM   #5
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Re: what does a-body or f-body mean?

Thanks for the info guys, that clears a lot up.....
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