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

Roller Rockers

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Old Oct 19, 2002 | 12:20 AM
  #1  
Stingray1970's Avatar
Stingray1970
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From: Strongsville Ohio
Default Roller Rockers

Will 1.5 roller rockers fit under stock L98 valve covers? :seeya
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Old Oct 19, 2002 | 12:35 AM
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Nathan Plemons's Avatar
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Default Re: Roller Rockers (Stingray1970)

That depends on if the L98 valve covers have drip tabs or not.

You might already know this, but the rocker ratio doesn't have much to do with it. If brand X 1.5 rockers will clear the covers than brand x 1.6's will also clear. If 1.5's clear and 1.6's don't on the same brand then you are running some pretty tight tolerances on the 1.5's, something you would want to correct anyway.
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Old Oct 19, 2002 | 01:01 AM
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Default Re: Roller Rockers (Stingray1970)

I have 1.6 proform, self aligning full roller rockers under my stock valve covers, no problems at all :cheers:
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Old Oct 19, 2002 | 01:06 AM
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Default Re: Roller Rockers (Stingray1970)

I believe your '90 L98 has the same valve covers as my '88; I had to trim the drip tabs and narrow the center bolt posts to clear the 1.6:1 ProMagnums.
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Old Oct 19, 2002 | 01:43 AM
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Default Re: Roller Rockers (Stingray1970)

I have crower 1.5's on my 85, no problems, there great :seeya
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