Thread: quick ?

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Originally Posted by steve88crx

if i knew that i had a 2.73 in it before i built the motor i definatly would have changed the gears but the guy who had it before me said he had put 3.73 in well i kinda knew he lied the first time i went down the track.

Now all you need is a powerglide ,so you can do 70 mph in first gear......

For TH 400 with a 1.48:1 second gear and 26" tires, at 6800 rpm you are at 130 mph. With a 1.57 second gear you are at 122 mph. Something is slipping or the tires is a spinning. The gears will help tire spin if that's it.

Kitz