Thread: Spark plug for 15-18 psi and the gap?
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Old 02-12-2018, 10:09 AM   #5
hou30guy

 
Drives: 2011 convertible 2ss/rs
Join Date: Sep 2015
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This is on a 408 stroker with 10.1 as compression with a maggie tvs2300. So a lil more cylinder pressure that a stock ls3

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