Gears & Axles Driveshafts | Rearends | Differentials | Gears | 12 Bolt | 9 Inch | Dana

someone give me some advice?

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Old 03-12-2010, 05:18 PM
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Default someone give me some advice?

i have the original rear end in my 99 z28 with 4:10's
the other day i chipped a couple teeth on my ring gear and pinion.
both my axles were worn too. i have looked at a couple different options.
a) go a head and rebuild stock rear end
b) throw a 12 bolt in? which 12 both to go with?
i have welded sub frame connectors
lower control arms
front and rear sway
front strut.
panhard rod
since my suspension is a little beefed up would i be better off with a 12 bolt or rebuilding back to stock with the 4:10s?
Old 03-12-2010, 05:27 PM
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http://www.exoticperformanceplus.com...html?item=2227
I have a lot of info at the above link that may help you out.

http://www.exoticperformanceplus.com....html?item=145
This is the rear I would go with. Bob
Old 03-12-2010, 05:32 PM
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thanks alot, should i go with the 28 spline or 31 spline, im going to order me one asap i need to get the ball rolling on my car. i hate watching it like this.
Old 03-12-2010, 06:28 PM
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Originally Posted by fresh99z28
thanks alot, should i go with the 28 spline or 31 spline, im going to order me one asap i need to get the ball rolling on my car. i hate watching it like this.
Not a problem.

31 spline, as the axles are stronger. Bob
Old 03-12-2010, 07:47 PM
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Go with an aftermarket 12 bolt, 9", or S60 rear end.

Don't spend time with repairing and spending money on the stock rear when upgrading to a stronger aftermarket unit will be a huge improvement for your car.
Old 03-13-2010, 05:41 PM
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what gear ratio should i go with as well, it had 4:10's, some say that it bothers them spending more time on the clutch, it doesnt bother me.
whats your advice bob?




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