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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Plug gap

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Old Mar 18, 2023 | 08:52 PM
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Default Plug gap
My 85 haynes manual says .035, motors book says .045 and i cant find it in the fsm
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Old Mar 19, 2023 | 07:10 PM
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.045 was the original gap from the factory. However, it looks like was later changed to .035 as per instructions in a Service Bulletin. See the link below

https://www.corvetteforum.com/forums...ap-1985-a.html
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