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Old Jan 12, 2008 | 10:47 AM
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I got a 99 z28 with a D1 procharger 383 stroker fully built motor.. i have 3600 stall in it with 10bolt n 3:73 gears
would it help out alot to go with 4:11's???
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Old Jan 12, 2008 | 11:04 AM
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Pretty vague question.....would it help for what?

It really depends on what your application or intended use is. If you want drag performance, you should consider stepping up to a 12 bolt or even a 9 inch rather than spending money on the 10 bolt anyway.

More details would be a better start for your question and/or, use the search function here. There has been a ton of discussion on the effects of gear changes.

Good luck...
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Old Jan 12, 2008 | 11:16 AM
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i want it to launch alot better on street n track maybe lower my 1/8 time
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Old Jan 12, 2008 | 11:17 AM
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Originally Posted by K9Kev

you should consider stepping up to a 12 bolt or even a 9 inch rather than spending money on the 10 bolt anyway.

More details would be a better start for your question and/or, use the search function here. There has been a ton of discussion on the effects of gear changes.

Good luck...
werd
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Old Jan 12, 2008 | 11:27 AM
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as far as swapping the rear... i say don't fix it if it ain't broken.. but i have to agree.. until then, dont spend any $ on the 10 bolt
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Old Jan 12, 2008 | 08:30 PM
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If you just plan on running the 1/8mile then it might be an ok choiceto go to 4.11's but if your doing 1/4mile then it might actually hurt your times.
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Old Jan 12, 2008 | 08:42 PM
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Question

Originally Posted by blk496ss
I got a 99 z28 with a D1 procharger 383 stroker fully built motor.. i have 3600 stall in it with 10bolt n 3:73 gears
would it help out alot to go with 4:11's???
What do you have as far as suspension mods and tires? I agree with the other post, I wouldn't mess anymore with the 10 bolt rear. If you are getting wheel spin, then I'd work on getting traction to help launch the car. Here is a list I made on recommendations. http://www.exoticperformanceplus.com....html?item=540 Bob
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Old Jan 12, 2008 | 09:04 PM
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making that kind of power through a set of 4.10 gears will generate two things....tire slip and higher 60 foot times. imo. unless you're running e/t streets or something similar, then they'll generate one other equally bad thing...a snapped 10 bolt. the 3.73 is a good match for the automatic unless you've got an engine that likes to stay in the 4,000 to 7,000 rpm range
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Old Jan 12, 2008 | 11:43 PM
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those gears will kill a ten bolt and are only good for drag only with auto's and 28's. a 6 spd and 4:11 is better for the street and mpg. like evowake said dont fix it if it aint broke. run good tires and go form there. just bring a trailer, im on my stock 10 and trailer it plus i live far from the track. auto's lasta lil longer especialy with a big squshy tire.
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