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07-06-2014, 05:15 PM | #1 |
Registered User
Join Date: Jan 2014
Location: Kamloops BC
Posts: 22
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4.10's to 3.73 with 4l80e
As the title says, anyone know what a guy needs to do, computer and speedo wise, in order to have things shift and read right with a 4L80e. I want change my 4.10's to 3.73's. It's in a 1991 GMC 3+3.
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