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Thread: LS7 Rockers
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08-26-2020, 05:56 AM #1Junior Member
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- Apr 2006
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- Sherman Oaks
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Silver- 2003 Z06
LS7 Rockers
Will a 5.3 Truck rocker arm work on an LS7 without harming the motor? A mechanic installed one until I get my CHE Rocker fixed.
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08-26-2020, 08:16 AM #2Spaz is My Mentor
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- Feb 2009
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Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
They have a different ratio. 5.3 has a 1.7 ratio where are the LS7's have a 1.8 ratio.
It may not seem much but it is a big difference. I personally would not run the motor till I got the correct rocker.
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