Stock rear end failure ques
03-13-2006, 03:53 PM
#1
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Stock rear end failure ques I'm in the middle of upgrading to a D1SC and my question is this.
Where does the stock 10 bolt fail?
Is it in hard launches?
Hard shifting?
Or just wear and tear in general.
After dropping a bunch of $$ on the upgrades, i'm wondering if i can baby the stock rear end until the summer, rather than financing 2800 on a credit card for a 9 inch and driveshaft immediately.
Where does the stock 10 bolt fail?
Is it in hard launches?
Hard shifting?
Or just wear and tear in general.
After dropping a bunch of $$ on the upgrades, i'm wondering if i can baby the stock rear end until the summer, rather than financing 2800 on a credit card for a 9 inch and driveshaft immediately.
03-13-2006, 04:17 PM
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hard launches will do the most damage as the 10 bolt can only take so much abuse before something gives, hard shifting could do it if you miss a shift or something, and thing are gonna wear and tear down sooner or later and better to just get a 9 inch if you plan on launching as you will definantly destroy the 10 bolt sooner or later and with the 9 inch you have that added security and durability, so just get the 9 inch and save money b/c you will prolly have to replace the rear end if your gonna do launches at the track with DRs.
03-13-2006, 05:41 PM
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most of the gears my brother broke was when shifting from 1st to 2nd and 2nd to 3rd. Car usually spun when launched hard, but bit hard when already rolling.
here are 3 of the 13 gears he broke.
here are 3 of the 13 gears he broke.
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03-13-2006, 09:16 PM
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Originally Posted by Zepher
most of the gears my brother broke was when shifting from 1st to 2nd and 2nd to 3rd. Car usually spun when launched hard, but bit hard when already rolling.
here are 3 of the 13 gears he broke.
here are 3 of the 13 gears he broke.
Any particular reason why he keeps the 10 bolt?
03-13-2006, 10:29 PM
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Originally Posted by sscam68
13? Probably could have bought a 12 bolt by now and saved money.
Any particular reason why he keeps the 10 bolt?
Any particular reason why he keeps the 10 bolt?
His 96 Trans Am was a 6 speed, now it's an auto and hadn't broken any gears since the trans swap, and next month it will have the LS1 installed, so the extra 100 or so rwhp may end up popping the rear.
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03-14-2006, 04:18 AM
#8
I have seen the Chevy Monza/S10 derived 10 bolt rear that GM chose to install into our F Body's break from many different reasons. Hard launching has to be the number one reason, powershifting and just plain hard acceleration when making shifts is probably the second reason. Anytime power is applied when the ring and pinion may have a little clearance between them can spell disaster.
An automatic equipped F Body is going to be much kinder to the rear than a six speed. If you have a stick, I'd go ahead and figure in a 9 inch while you are adding the supercharger. Bob
An automatic equipped F Body is going to be much kinder to the rear than a six speed. If you have a stick, I'd go ahead and figure in a 9 inch while you are adding the supercharger. Bob
03-14-2006, 12:06 PM
#9
It's without a doubt shock loading from wheel hop or hard shifting.
In an automatic car the torque converter absorbs alot of this transient energy. In a manual you don't have this. It's not quite the same but doing a clutch drop at 5k is similar to doing a neutral drop in an automatic car.
I work in this area and I can tell you measured torque reaction loads for wheel hop, launch, and ABS events can be easily 5 times higher than what is possible just using max engine torque in a stall condition.
Hop in particular is really, really bad news.
In an automatic car the torque converter absorbs alot of this transient energy. In a manual you don't have this. It's not quite the same but doing a clutch drop at 5k is similar to doing a neutral drop in an automatic car.
I work in this area and I can tell you measured torque reaction loads for wheel hop, launch, and ABS events can be easily 5 times higher than what is possible just using max engine torque in a stall condition.
Hop in particular is really, really bad news.