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

Do you need to modify LT4 valve covers ?

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Old Nov 4, 2005 | 02:46 AM
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Default Do you need to modify LT4 valve covers ?

I bought the LT4 hot cam kit from GM. Do I need to modify my LT4 valve covers? The kit cam with the 1.6:1 Aluminum Roller Rocker Arm kit P/N 12370839
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Old Nov 4, 2005 | 04:17 AM
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Those should fit for the most part. There are some oil drip tabs that may need to be removed. I used a dremel tool on mine, but I have heard of people using channel lock pliers to snap them off.
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Old Nov 4, 2005 | 08:05 AM
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Originally Posted by tvetta
I bought the LT4 hot cam kit from GM. Do I need to modify my LT4 valve covers? The kit cam with the 1.6:1 Aluminum Roller Rocker Arm kit P/N 12370839
No. The LT4 valve covers work without issue.

Earlier LT1 valve covers had drip tabs that needed to be removed to clear the rockers.
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