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

Need some cam tips

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Old Sep 8, 2004 | 01:08 AM
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ABNVET.I
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Melting Slicks
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From: Henryville IN
Default Need some cam tips

Well I have had it with trying to find out what has been done to this motor. I know there isnt much stock on it and its getting real hard to set anything with it the way it is. You may have seen where I posted a thread about a squeal in the motor then a busted valve spring when I took it to a guy to check out the tranny. Hmmm imagine that. Well Im going to pull it. I will replace the cam, springs and lifters. it has a Lingenfelter JL-10012 TB on it and also their headers. He said it has a ZZ cam but I say prove it how would I tell. I have no idea who makes the heads. It also has a burnt chip witht he original owners name on it (whish I could find him). Has ford 24lb injectors When it was running it would jump quick and kick at about a top speed of 156 well thats when I took my foot off the gas. So what cam set up does everyone suggest? Like I said Im tired of guessing on this stuff.
http://www.photohost.org/gallery/dat...engine-med.JPG
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Old Sep 8, 2004 | 05:09 AM
  #2  
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JAKE
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From: Kempner Texas
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You can get the timing specs of the cam by using a degree wheel and a dial indicator and log the timing events and lobe lift. Then compare those numbers with the cams that TPIS and GM sell. They are two of the companies I know of that sell cams using the ZZ designation.

If you still want to pull the cam, you can take it to a machine shop that has a computerized cam checker and it will give all the specs of the cam. You'd then have to go through various catalogs or websites to find the cam that matches those number. You'd probably need duration at .006, .050, max lobe lift and lobe separation angle to be able to ID it.

Some aftermarket cams have the manufacturer information and part number stamped on the end of the cam; usually the end where the distributor gear is located.

Most of the major head companies stamp their name somewhere on the head. I believe Dart, Brodix, Edelbrock all stamp their name on the heads. The name EDELBROCK is stamped on the ends of my heads. My buddy's Brodix heads have their name stamped in the area under the valve cover.

Hope this helps.

Jake
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