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Cross Fire Injection. Method of fuel delivery in the L82 motor. The 1984 is the only C4 to use the L82. This is the same engine used in the 1982 C3. ...
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Re: Summit Roller Rockers

Subject: Re: Summit Roller Rockers
by anesthes on 2010/2/19 11:28:55

Quote:

Matatk wrote:
I saw Summit has these on sale:

http://www.summitracing.com/parts/SUM-G6938-16/

I need to pick up roller rockers for my build. Heads are 3/8 stud, non self aligning (has guideplates), centerbolt vcs. I can hardly find any information about them. Some guys claim they are made by scorpion, I can't verify that. Anyone running these or have any personal experience with them?

Matthew


I ran them for a couple years on my C4.

I don't think they are scorpion, but they look like every other set of chinese rockers:

http://cgi.ebay.com/ebaymotors/SBC-CH ... uckQ5fPartsQ5fAccessories


A number of years ago, I ran these on a supercharged motor:

http://cgi.ebay.com/ebaymotors/1-6-3- ... uckQ5fPartsQ5fAccessories


I had some good luck with them. The only concern is the weight of the rocker might be a bit more than the valve spring can handle on a high rpm application. I shifted the car at 6k.. Not sure how they would be at 6500.


My biggest complaint with any of them is the poly locks back off. No matter how hard you crank down that allen, it seems sometimes they just back off. Over the years I've had a few pushrods, on different motors, get bent.


-- Joe
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