View Single Post
  #23 (permalink)  
Old 07-31-2017, 10:11 AM
Grey 65's Avatar
Grey 65 Grey 65 is offline
CC Member
Visit my Photo Gallery

 
Join Date: Aug 2013
Location: Haslet, TX
Cobra Make, Engine: BDR #888, Keith Craft 408
Posts: 344
Not Ranked     
Default

Quote:
Originally Posted by Cashburn View Post
I've been told 40% is the most you want on the street. But again, I was told this I have not directly experienced it.

3.73 works pretty good with the 6 speed. If it's the .8 .6 OD unit. But 3.91 is usable here too.
Jay,

I was being sarcastic... Being as we have no idea of how he wants to use the car it is impossible to make a real recommendation.

If he just wants to cruise, then you take the trans, plus the O.D. of the rear tires and the RPM he wants to run and put it into the tremec calc and it will tell you the gear.

I have a 3.15 40% lock and a 3.46 60%. I had a 3.91 40% lock.

If you just drive the car on the street and you are in 1st gear and you can smoke the rears at 1/2 throttle you do NOT need more gear.. you really need less gear.

If you race that is different. I autocross and do not want to change gears. So on a fast course I will use the 3.15's and on a tighter course I will use the 3.46's.
__________________
Kevin......

It isn't how fast your car can go
It is how fast your car can change direction

Home of Fake Snake Racing
Reply With Quote