PY Online Forums - Bringing the Pontiac Hobby Together

PY Online Forums - Bringing the Pontiac Hobby Together (https://forums.maxperformanceinc.com/forums/index.php)

- 77-81 Firebird & Trans Am TECH (https://forums.maxperformanceinc.com/forums/forumdisplay.php?f=441)

- - speedo gear (https://forums.maxperformanceinc.com/forums/showthread.php?t=416412)

rocky

02-03-2005 07:03 AM

went from 3.23 to 3.90 in my 77 ta questions is does anyone have and idea what speedo gear I need example the number of teeth im running a 28" tall tire 4sp trans t-10

rocky

02-03-2005 07:03 AM

went from 3.23 to 3.90 in my 77 ta questions is does anyone have and idea what speedo gear I need example the number of teeth im running a 28" tall tire 4sp trans t-10

Skip Fix

02-03-2005 07:51 AM

TCI I think has a chart on its site. I think 1 tooth per 5mph off at 55 mph is alos a rough ball park.

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