Gear for a Procharged SS w/9in
Thread Starter
Joined: Aug 2007
Posts: 1,453
Likes: 2
From: Oceanside CA
Gear for a Procharged SS w/9in Well it looks like i'll finally be ditching my shitty 10 bolt and picking up a 9in. I talked to bob out at EPP and got some good advice. Upon talking to more people, my gear choice still remains undetermined. I need advice. I'm pretty much inbetween chosing 3.70's....or 3.89's i believe. Most of the mods are in the sig, and I want to break into the 10's in current trim hopefully. Lets hear the wealth of knowledge flow lol
From those two I would go with 3.70's. I had 3.73's with my 12 bolt, but now that I changed out to a 9" I ended up going with a 3.55 just so its a little more streetable on the highway.
Thread Starter
Joined: Aug 2007
Posts: 1,453
Likes: 2
From: Oceanside CA
Being a 6spd I figured one of the 2 would be good. I'm also worried about spinning to much...any input?....oh and the car is a DD...AFASTYZFR1 with your motor set up what does the car put down?
I am running a spool. But I am also running a narrowed rear. I wouldn't trust a tru trac at my power level with all the things I have heard of them breaking. And some people don't like how lockers act in M6 cars.
My car is not my DD so I was not worried about running the spool however I do drive it around a fair amount and don't have any issues with it
My car is not my DD so I was not worried about running the spool however I do drive it around a fair amount and don't have any issues with it
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What size tires are you going to run at the track? I am running 28 inch slicks at the track and I have ran both 3.70s and 3.89s. My fastest pass was with 3.89s. I just put 3.89s back in my car.
If you are going to stay with the stock size tire then I would probably go with 3.70s. Here is a good link to calculate what mph you are running at a certain rpm. http://www.f-body.org/gears/ Just try to figure out what you think you will run and then select the gear that fits that best with the rpms you want to cross the line at.
If you are going to stay with the stock size tire then I would probably go with 3.70s. Here is a good link to calculate what mph you are running at a certain rpm. http://www.f-body.org/gears/ Just try to figure out what you think you will run and then select the gear that fits that best with the rpms you want to cross the line at.
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Verdad Gallardo Thread Starter
Joined: Aug 2007
Posts: 1,453
Likes: 2
From: Oceanside CA
Thanks....Its seeming that the 3.70's would be the best bet...I run M/T's in 315/30/R18 (I know not the best)...I run it till 6500 at most...I figure if I trapped 122 with a 2.0 60' i should be able to get it much better
