Thread: Pinion angle
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Old 05-22-2020, 10:25 AM
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Quote:
Originally Posted by charlie66 View Post
That really cleared this up for me rod. Thanks for the video. He said to match the angle with the input and out put . Thats the part that gets me alittle confused. Because right now the rear is at 0 and the trans is at 3.85. Would turning the rear to 3.85 be the way to go because at 2 up im still 1.85 away from a match right? He said with in 1 degree..
If the person advising you about the set-up wants the pinion yoke to be within 1 degree of the trans (which assumes a 1 degree change under load) then your pinion should be 2.85 degrees up if your trans is 3.85 degrees down.

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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule.