Thread: Feel like an idiot but, do I have a three speed 722.1?
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Old 11-13-2012, 10:56 AM
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Doktor Bert Doktor Bert is offline
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Join Date: Jan 2005
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Quote:
Originally Posted by Skippy View Post
For a 5-cylinder NA it should be 3.46:1.
Currently, with my 3.07:1 axle, the 617.950 pulls hard in first and as soon as 2000 rpm comes up, I am developing 14.7 psi of boost. The 1st gear downshift is critical to having a 'peppy' 617.

I am preparing to swap in a 2.47:1 and 1st gear start is even more critical with a tall gear in the back...
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