Yellow Bullet Forums banner

1 - 5 of 5 Posts

·
Registered
Joined
·
103 Posts
Discussion Starter #1
I'm trying to figure out what rear gears to run, the combo consist of a 383 sbc BorgWarner S400SX-80mm turbo, th 400 and 31 in tall M/T tires car ways 3275#. I would like to cross the line around 7000 rpm in 1/4. thanks for any help.
 

·
Registered
Joined
·
1,035 Posts
A good ratio would be 3.7x if you have the turbo maxed out at 1000whp and 10% converter slip (should go 156 mph).
 

·
Registered
Joined
·
68 Posts
Go with 3.73 to 3.90 depending on carrier you have and remember a bias ply drag slick will grow on topend.
 
1 - 5 of 5 Posts
Top