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10-15-2007, 02:37 PM
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#1
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The Mayor / 2009 Member of the Year / Moderator
Join Date: Jan 2005
Location: Northwest
Posts: 8,860
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3rd gen rear in 4th gen?
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Will a rear end from an 80s Trans Am work with a 4th gen? All I'm looking for is a yes or no. If not, why? What's different? I obviously have no clue so Im attempting to educate myself a little here...plus I found a rear end from a 350 Firebird for about $250, which is a hell of a lot better then $800 for an 02 Firehawk's rear end. Also better then 650 for the spider gears and carrier from the dealer and paying someone else to set up the gears (Not to mention if I actually need the ring and pinion after all...or bearings...etc).
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That's quoted from someone else. I am curious as well and can report back too.
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1995 Z28 Convertible A4 13.78 @ 100 (CAI, high flow cat, catback, 160 thermo, hypertech, Strano springs, Koni yellows, sway bars, 3 pt. UMI SFC)
2018 Sea Doo GTX - 3 cylinders and das boooooost
Quote:
Originally Posted by BonzoHansen
Is English your 2nd language? Did you graduate high school? Your posts make my head hurt.
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Team FARM
Last edited by Anti_Rice_Guy; 10-15-2007 at 02:48 PM.
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10-15-2007, 04:07 PM
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#2
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,473
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It will physically bolt into the 4th gen, but it's approximately 2" narrower on each side. Standard 4th gen wheels won't work with a 3rd gen rear in the car.
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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10-15-2007, 04:25 PM
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#3
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by Tru2Chevy
It will physically bolt into the 4th gen, but it's approximately 2" narrower on each side. Standard 4th gen wheels won't work with a 3rd gen rear in the car.
- Justin
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Yeah. He may be looking for a straight yes or no answer but that's not the case. YES it fits, NO it's not an exact fit.
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10-16-2007, 07:42 AM
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#4
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The Mayor / 2009 Member of the Year / Moderator
Join Date: Jan 2005
Location: Northwest
Posts: 8,860
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I just saw someone post that on another board so I posted here for 2 reasons:
1) To help him
2) To let me learn because I had never thought of that
__________________
1995 Z28 Convertible A4 13.78 @ 100 (CAI, high flow cat, catback, 160 thermo, hypertech, Strano springs, Koni yellows, sway bars, 3 pt. UMI SFC)
2018 Sea Doo GTX - 3 cylinders and das boooooost
Quote:
Originally Posted by BonzoHansen
Is English your 2nd language? Did you graduate high school? Your posts make my head hurt.
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Team FARM
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10-18-2007, 12:58 PM
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#5
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Sliderule / Moderator
Join Date: Oct 2004
Location: Catawissa PA
Posts: 2,294
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Will bolt in, no ABS reluctor and if car has TC then that won't work either. Also will need different wheels with proper offset. I don't think any stock wheels will work so he would have to go aftermarket.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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10-22-2007, 02:17 AM
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#6
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Join Date: Jun 2007
Location: Union Beach, NJ
Posts: 193
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wouldnt it be a near exact fit with 3rd gen wheels on a 3rd gen rear on a 4th gen?
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79 Blazer K5 - Lifted 10 inches on 1 ton axles. 6BD1T swap upcoming.
84 Camaro Z28 - 360ci, 5 speed.
84 GMC Sierra
84 Diesel S10 (stock) - Rare 2.2l diesel isuzu powered with a flatbed.
92 S10 longbed - Lowered 3", Undergoing restoration and 20,000gvw diesel/driveline swap.
01 Astro LS - Fully loaded work van.
70 GTO - Powered by Cadillac 500
85 Chris Craft Scorpion - Water toy.
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10-22-2007, 07:29 AM
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#7
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Join Date: Apr 2006
Location: Landing, NJ
Posts: 1,042
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couldn't you use spacers and then use the 4th gen rims.
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87 Trans Am 5.7, Auto, posi disc rear, flowmaster muffler, all org car.
88 Iroc-Z TPI, Cammed 350, Vortex Heads, Magnaflow, T5, 4 Wheel Disc, 3.27 9 Bolt PBR.
91 Trans Am VertTPI 350. 700r4, K&N Air Cone, Ryven Muffler.
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10-22-2007, 08:29 AM
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#8
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by jewboyx32
couldn't you use spacers and then use the 4th gen rims.
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Spacers that big are a bad idea. You would need to use wheel adaptors for that. They run about $150-200, and if you add that to the cost of buying the wrong axle you will end up with enough money to buy the right one outright.
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