4th gen parts to 3rd gen
02-09-2013, 09:32 PM
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Car: 1985 TA
Engine: 350 Carb
Transmission: T56
4th gen parts to 3rd gen
I have a 1998 firebird that i want to swap the rearend into my 1985 TA. My question is:
1. I have read on here that the 4th gen wheels will then bolt up to the 4th gen rear in my 3rd gen with no problem, is there a parts i can replace on the front end to make the 4th gen wheels fit on the 3rd gen car? or do i just need to buy 2 spacers? Thanks
1. I have read on here that the 4th gen wheels will then bolt up to the 4th gen rear in my 3rd gen with no problem, is there a parts i can replace on the front end to make the 4th gen wheels fit on the 3rd gen car? or do i just need to buy 2 spacers? Thanks
02-10-2013, 02:57 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
Transmission: TKO600, T5
Axle/Gears: Moser 9", 3:70 trutac, 3:23 torsion
Re: 4th gen parts to 3rd gen
Front needs spacers, only other way is custgom brakes and hubs, and that's going to be a mess and cost a fortune.
02-10-2013, 03:58 PM
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Car: 1990 z28
Engine: 5.0
Transmission: t-5 wc
Axle/Gears: 4th gen 3.42 posi
Re: 4th gen parts to 3rd gen
also note you can use the washer bottle and coolent batt tray from a forth gen to free upsome space under the hood.
02-10-2013, 05:52 PM
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Car: 1985 TA
Engine: 350 Carb
Transmission: T56
Re: 4th gen parts to 3rd gen
Both good ideas. Im looking to use as much as i can to improve or just make a little newer. Thanks.
02-12-2013, 05:08 PM
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Car: 1985 TA
Engine: 350 Carb
Transmission: T56
Re: 4th gen parts to 3rd gen
Anybody know where the best place to buy wheel spacers is? And is 2" 5x4.75 to 5x4.75 the right size. Thanks again
Last edited by kitt462d; 02-12-2013 at 05:44 PM.
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02-12-2013, 05:18 PM
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Car: 88 firebird convertible
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Re: 4th gen parts to 3rd gen
so the forth gen rear end doesnt need spacers if youre running third gen rims? i thought the rear end was longer on the forth gen. am i wrong?? hope i am lol
02-12-2013, 06:14 PM
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Re: 4th gen parts to 3rd gen
02-26-2013, 12:39 PM
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Car: 91 Camaro RS
Engine: LH6 5.3
Transmission: T56
Axle/Gears: 3.43 LSD
Re: 4th gen parts to 3rd gen
If you look at my rear wheels, they sit flush. I have a 95 Camaro Z rear end. The front wheels are sitting in a lot and rub. So that is what your rear wheels will look like. 
I do want to know more about the spacers. The patern that you listed was the right size, but thickness can vary depending on wheels.
I do want to know more about the spacers. The patern that you listed was the right size, but thickness can vary depending on wheels.
02-26-2013, 12:40 PM
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Car: 91 Camaro RS
Engine: LH6 5.3
Transmission: T56
Axle/Gears: 3.43 LSD
Re: 4th gen parts to 3rd gen
Also, i have two full coils cut off my front coil springs, so it sits a lot lower then stock. Gonna be raising it here soon.
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