03-17-2017 | #11 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: '91 #473 Plugs
You should look at the ground straps to consider what heat range works for ur motor. I used NGK 7 (too cold), and used NGK 6 for quite a while, but have settled on NGK 5s.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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