Auto Trans 1st Gear Ratio

HIGHOCTAIN2000 · 06-09-2008, 10:56 AM

With production car gear ratios in a three speed trans at roughly 2.5-1.5-1.0 . It would seem like a first gear ratio of 2.0 would be much better. Equal spacings between the ratios. especially in a light weight high horsepower car. Any thoughts on this.

SSDiv6 · 06-09-2008, 12:39 PM

Quote:

Originally Posted by HIGHOCTAIN2000

With production car gear ratios in a three speed trans at roughly 2.5-1.5-1.0 . It would seem like a first gear ratio of 2.0 would be much better. Equal spacings between the ratios. especially in a light weight high horsepower car. Any thoughts on this.

Those gear combinations are available from many vendors such as Pro-Trans, Coan and others.

Dave Goob Cook · 06-09-2008, 03:13 PM

I'm very happy with my 2.10/1.40/1:1 TH-400

Bought the Kilgore gear set back in '99, had the unit built local with the t-brake and some other goodies from Coan.

http://www.kilgoretrans.com/index.html

06-09-2008, 10:56 AM	#1
HIGHOCTAIN2000 Junior Member Join Date: Nov 2007 Posts: 27 Likes: 0 Liked 0 Times in 0 Posts	Auto Trans 1st Gear Ratio With production car gear ratios in a three speed trans at roughly 2.5-1.5-1.0 . It would seem like a first gear ratio of 2.0 would be much better. Equal spacings between the ratios. especially in a light weight high horsepower car. Any thoughts on this.

06-09-2008, 03:13 PM	#3
Dave Goob Cook Member Join Date: Dec 2006 Location: Indy Posts: 422 Likes: 0 Liked 0 Times in 0 Posts	Re: Auto Trans 1st Gear Ratio I'm very happy with my 2.10/1.40/1:1 TH-400 Bought the Kilgore gear set back in '99, had the unit built local with the t-brake and some other goodies from Coan. http://www.kilgoretrans.com/index.html