Im at a cross roads.. i just put a cam in my car this year but didint really get to dirve it. i ended up doing a bunch of other things i wanted to do to the car anyway. Since this years pretty well shot and i really dont want to dump money into my 10 bolt to put 410s in the car, ive already just moved on to my next weak point of the car. I know that i will be putting an M9 in the car. That leads me to my question. The car only sees the road when its a gorgeouse day and sees the track maybe about 3 times a summer. Now i wanted to go with a locker originally but ive heard that they are pretty aggressive around turns anyway. So if a locker is going to pop and grab around the average suburban street corner.. then my thinking would be to buy a spool and save the money towards suspension goodies. My buddy had a spool in his car, and i didint mind it when i drove it around. My only complaint is that his car ate tires within 300 miles. I plan to run mickey thompson drag radials and he was on BFG drag radials. The car will be seein FI in the next few years also as a side note. Thanks for your help[
__________________ 2000 Z28 Camaro 6sp, vindicator cam,ls6 intake, 241 heads, billet timing chain set, ls7 lifters fluid damper, SLP LM2, SLP lid and ram air duct, Pacesetter LTs and ORY, spec 3 clutch and spec billet steel flywheel. 13.10 @ 107 stock
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I've had several customer's with lockers with manual transmissions experience problems shifting under part throttle. If it is an automatic I'd go with a locker. Bob
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I went spool in my Midwest 9". Im on Nittos and its not tearing them up as much as I thought it would. My car is same situation as yours, driven on nice days and a few track visits per year. Spool does bind/chirp tires but, only when turning tight. Once you learn to swing it wide you will be fine. I went spool for the strength and $$ savings, why do it twice.
yea im leaning toward spool i think. The car is a 6Speed so thanks for your input bob. As far as a trutrac goes i dont want to worry about swapping diffs later on when i go FI. I know they are strong my buddy went 9.5 with a trutrac in a 12 bolt with a 1.34 60ft. So i know there strong, but like i said i only want to worry about a gear swap when the time comes for FI and maybe a bearing refresh. Im also not the type of person that is very picky about drivability. Which prolly shows considering i put a vindicator cam in my car along with full exhaust and an lm1 catback.(which i swapped out for a lm2 to try and quiet it a bit)lol and i removed my front sway bar. im still waiting to start the car up again with the new muffler. But like i said the car is being built to be a quick street car in a straight line that i can cruise around. Thanks for everyones opinions and info it realy helps considering this is a decent sized purchase lol. So keep the info coming.
__________________ 2000 Z28 Camaro 6sp, vindicator cam,ls6 intake, 241 heads, billet timing chain set, ls7 lifters fluid damper, SLP LM2, SLP lid and ram air duct, Pacesetter LTs and ORY, spec 3 clutch and spec billet steel flywheel. 13.10 @ 107 stock
yea im leaning toward spool i think. The car is a 6Speed so thanks for your input bob. As far as a trutrac goes i dont want to worry about swapping diffs later on when i go FI. I know they are strong my buddy went 9.5 with a trutrac in a 12 bolt with a 1.34 60ft. So i know there strong, but like i said i only want to worry about a gear swap when the time comes for FI and maybe a bearing refresh. Im also not the type of person that is very picky about drivability. Which prolly shows considering i put a vindicator cam in my car along with full exhaust and an lm1 catback.(which i swapped out for a lm2 to try and quiet it a bit)lol and i removed my front sway bar. im still waiting to start the car up again with the new muffler. But like i said the car is being built to be a quick street car in a straight line that i can cruise around. Thanks for everyones opinions and info it realy helps considering this is a decent sized purchase lol. So keep the info coming.
I have a spool in my M9, it is a very lightweight and good way to go. Bob
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To add to this threads worth, If using a spool, since it's lighter, is that less driveline losses (rotating mass and all that stuff)?
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To add to this threads worth, If using a spool, since it's lighter, is that less driveline losses (rotating mass and all that stuff)?
You are correct, you will have rotating mass. Bob
__________________ Check out our huge website!http://www.exoticperformanceplus.com 260 244-4808/260 244-4821 ATI ProCharger & Moser Engineering sales and installations Over 1 million and three hundred thousand dollars worth of Moser rearends sold! Over 1 million and four hundred thousand dollars worth of ATI ProChargers sold!
M9 with spool or locker? 
