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Old 07-19-2010, 11:19 AM   #42
swb85
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Join Date: Oct 2005
Location: Topeka, KS
Posts: 2,031
Re: Which one is better? SBC 406 or 434?

Quote:
Originally Posted by Marv D View Post
Not trying to hikack the thread, but Ripdog are you running slicks and hooking up. I'm curious to know how the Detroit locker is holding up to that much torque. I'm changing my truck around some and will be throwing 660hp/580tq at a 9" with Detroit locker with a transbrake launch (was stalling the converter dead at the torque peak, but we'll see where it flashes with the new combination)
I've got a stupid amount of rubber on the back and could make the thing dead-hook with 500HP, but opted to take a little hit out of the 4-link and be easier on the old TH350, mild steel shaft etc. It's a Dyneer "No-Spin" Detroit locker w/ 33 spline Dutchman axles. I'm just unsure of what the locker is going to tolerate. If you've been launching a with the torque listed in your siggy,, I should be OK. Still going to drive this thing on the street is the only reason I'm not dumping the locker for a spool.

Dunno if he answered you yet or not Marv, but I ran a detroit locker in my camaro for 2 seasons. It's a clutch car, 3900lb race weight (I know) and makes ~650-700rwhp on the jug. Left on the 2-step at 6500-7000rpm and it never skipped a beat. Put in a spool this year when I narrowed the 9" and the locker looked new still when I pulled it. I don't think you'll have any problems.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread
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