Need help on building a rear end to hold 450 rwhp
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Junior Member
Joined: Aug 2008
Posts: 44
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From: ATLANTA
Car: 86 Z-28
Engine: 350 VORTEC
Transmission: T-5
Axle/Gears: STOCK
Need help on building a rear end to hold 450 rwhp
i have a 86 z-28 with 350 built and procharged with a tremec tko 5 speed and a broke down 10 bolt 7.5. will a built 10 bolt 8.5 hold that power and if so will the wheels stick out far from the car
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Joined: Aug 2007
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From: Southern Wisconsin
Car: 1988 Camaro
Engine: 383 Stroker
Transmission: Probuilt 700 R4
Axle/Gears: 3.73
Re: Need help on building a rear end to hold 450 rwhp
it all depends. Every tranny is different. I have seen some people with there stock 10 bolts run 11's. A 8.5 should be fine though for awhile
Supreme Member
Joined: Apr 2002
Posts: 4,627
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From: Southwest Florida
Car: projects.......
Re: Need help on building a rear end to hold 450 rwhp
For the cost of getting a 8.5" 10-bolt under the car, plus the cost of building it up to take decent power, it's not likely to be worth it. You'll have almost, if not as much, into doing so as just swapping to a bolt-in 12-bolt. Obviously, a mild 12-bolt will handle that and then some if you want to build it up.
On Probation
Joined: Oct 2008
Posts: 6,319
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From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: Need help on building a rear end to hold 450 rwhp
an 8.5 is not a bolt-in. It's a custom, one-off conversion.
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