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Old 01-24-2023, 09:51 PM
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grivera grivera is offline
Ultimate Warrior
 
Join Date: Feb 2005
Location: Just south of Baltimore
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I think we’re on the same page - before I adjusted the angle, the pinion was “up”, meaning the rear of the differential was facing up but the pinion yoke was facing down. Now, the pinion yoke is close to parallel (3.1 degrees) with the the trans tailshaft - pinion yoke facing up, back of differential facing down. This is clearer with the Tremec app which says to take all measurements from the same side. I didn’t use the app other than instructions because it’s difficult to get a steady reading. I do have a small square digital angle finder with a magnetic base.

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Will Rivera

'69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
'64 LeMans 400/461, #16 Heads, HR 230/236, TKO600, 9inch Rear, 3.89 gears
'69 LeMans Vert, 350, #47 heads: Non-running project