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View Full Version : GM 1.6 ratio rocker arms



mikev
04-25-2001, 03:46 PM
Has anyone replaced there stock 1.5 ratio rocker arms with the 1.6 ratio to improve performance. You can get a set for under $70 from summit racing. my engine is a 4.3 V6 just trying to wake it up a little bit.

BigGrizzly
04-25-2001, 06:49 PM
It will help. it works on302 fords and chevies. Don't expect big gains.

Randy

Gearhead99
04-25-2001, 09:06 PM
Isn't worth the money or time, in my estimation.