what gear to run?

ron c

Daily Driver
Mar 15, 2008
14
0
1
non-malibu? i have 78 chevy nova wirh gm create 350cid 330ho just got my newkeisler t-45 rs 5 speed with 3.37 first gear, car has 2.73 gears with 255/60/15 tires, what would be a good gear mostly a street car but plan on doing some drag racing,i dont want to make the first gear useless thanks ron c
 

DOUG213XRJ

MalibuRacing Junkie
Sep 18, 2006
4,671
1
38
West, MI
Hey Ron, You really dont need anything more then a 3.23 or 3.42 gear with that first gear ratio. Doug
 

SSedan64

Dragway Regular
Oct 5, 2009
948
0
0
MACON, GA.
I agree with Doug^^, 3.37 X 3.23 = 10.88 to 1 launch ratio, close to 10.00 is what you want to help with traction for Drag use. The 3.42 X 3.37 = 11.52, a taller tire will lower it also.
3.23 X .67/5th = 2.16 ---- 1960rpm @70mph w/26" tire
3.42 X .67/5th = 2.29 ---- 2075rpm @70mph w/26" tire
 

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