#1 Junior Member
Join Date: Feb 2008
Location: Salt Lake City
Posts: 61
Car: 90 Z28, 74 Scout II
Engine: healthy 355
Transmission: t-5
Axle/Gears: 4th gen 10 bolt 3.23
90 camaro, 9 bolt or 10 bolt?
I don't feel like ripping apart my rear end, anyone know if a 90 camaro rs has a 9 or 10 bolt? Trying to buy some 4.10's for it, thanx.
#2 Supreme Member
Join Date: Mar 2003
Location: Florida
Posts: 4,482
Car: 1987 Black IROC-Z (original owner)
Engine: 350 Crate with TPI
Transmission: 700R4 with 2400 SLP Stall
Re: 90 camaro, 9 bolt or 10 bolt?
Factory stock for the RS was the 10-bolt unless someone changed it out.
#3 Banned
Join Date: Jul 1999
Location: Bertram (outside Austin), TX
Posts: 12,214
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: 90 camaro, 9 bolt or 10 bolt?
99% likely a 10-bolt, but after 20+- years, there is no guarantee your car hasn't changed. Never assume anything.
Look under the back of the car, at the rear end cover. 10 bolt heads = a 10 bolt
9 bolt heads = a......Can you guess? A NINE bolt!
#4 Senior Member
Join Date: Sep 2008
Location: Central City, KY.
Posts: 1,624
Re: 90 camaro, 9 bolt or 10 bolt?
You don't have to take it apart, just count the bolts in the cover. The 9 bolt has a rubber fill plug in the cover.
#5 Senior Member
Join Date: Jul 2006
Location: Aloha, Oregon
Posts: 708
Car: '91 Camaro Z28, '85 Camaro Z28
Engine: LB9, LB9
Transmission: T5, 700r4
Axle/Gears: 3.73 Posi, 3.23 Posi
Re: 90 camaro, 9 bolt or 10 bolt?
Who would have thought that the name actually referred to something.
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#6 Moderator
Join Date: Jul 1999
Location: 51°N 114°W, 3500'
Posts: 13,970
Car: 87 IROC L98
Engine: 582 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: 90 camaro, 9 bolt or 10 bolt?
The last production year that had a 9 bolt was 1989.
#7 Moderator
Join Date: Aug 1999
Location: Lawrence, KS
Posts: 16,248
Car: Met. Silver 85 IROC
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 90 camaro, 9 bolt or 10 bolt?
Quote:
Originally Posted by
Stephen 87 IROC The last production year that had a 9 bolt was 1989.
I was under the impression that 89 was the last year too. I noted, however, in the 9-bolt FAQ that the author mentions 90.
JamesC
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1992 Camaro
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Tags 10 , 2000 , 3rd , 90 , axle , bolt , camaro , ends , fbody , gen , plug , rear , rs , ss , stock
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