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Early 1st up shift to 2nd?

Started by b5blue, July 07, 2025, 07:29:15 AM

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b5blue

Fairly stock 440 w 727 and 3:23 rear. 1st seem to shift into 2nd too soon. (Like less than 6 MPH.) What's normal under light throttle?  :shruggy:


John_Kunkel

Here's the factory specs: If you'd like it to shift a little later, lengthen the top rod by screwing the slotted rod end (#1 in the diagram) out.Shiftspeeds.jpgLinkage.jpg
Pardon me but my karma just ran over your dogma.

b5blue