LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Best valvetrain for cc503?

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Old Dec 5, 2006 | 06:00 PM
  #1  
snakeatinZ's Avatar
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From: WaTaUgA, Tx
Best valvetrain for cc503?

I tried the serch and came up empty. What are the best springs, locks, rockers, retainers, all of that stuff? Does anyone sell a nice package deal?
I would like to get parts that will work for a cc306 if I dont like the cc503.
ANY info would be greatly appriciated.
Thanks,
Steve
Old Dec 5, 2006 | 10:23 PM
  #2  
matLT1's Avatar
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From: Berkley, MI
Go to this page, it will tell you everything you need to know....

http://www.compcams.com/technical/Ca...07/168-169.pdf
Old Dec 7, 2006 | 05:49 AM
  #3  
snakeatinZ's Avatar
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From: WaTaUgA, Tx
Originally Posted by matLT1
Go to this page, it will tell you everything you need to know....

http://www.compcams.com/technical/Ca...07/168-169.pdf
I dont even see the cc503 on that page???
Anyone else? People who are running this cam what kind of set up do you have?
Thanks,
Steve
Old Dec 7, 2006 | 06:47 AM
  #4  
huskersZ's Avatar
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Check out the combination motorsports CM 612 spring kit....I think they are still offering, or go with comp 918's
Old Dec 7, 2006 | 07:09 AM
  #5  
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From: Hartford, CT
Look at that link again, it's the last cam listed under the "extreme energy" series on the first page. p/n 07-503-8. Page 2 tells you the match components.
Old Dec 7, 2006 | 07:16 AM
  #6  
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I ran CM612's for years, but I also know of people running comp 918's w/ 'em.
Old Dec 7, 2006 | 08:51 AM
  #7  
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From: Carol Stream, Il.
A set off 918's, Hi-Tech pushrods, 7/16 rocker studs, GMPP guideplates, and 1.6 Magnum NSA roller rockers should do the trick Steve.
Old Dec 7, 2006 | 11:27 AM
  #8  
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From: Downey, CA
Beehive Springs and Parts Info

If you go with the 26918 beehive springs. The retainers, locks and shims will
depend on what you want to do. If you use the stock spring seats then
the 7* hardware will work. If you want to use the Comp spring seats then
the 10* hardware with +.050" locks works the best. This is assuming that
you have stock heads.

Comp Press Release

If you want to go with 7 degree hardwarde:

787-16 retainers
648-16 locks
stock or LT4 spring seats

If you want to go with 10 degree hardware (super locks):

795-16 steel retainers, or
794-16 titanium retainers
611-16 locks (standard), or
614-16 locks (+.050)
4705-16 spring seats

Using the 7 degree hardware and stock spring seats you
should end up with an installed height close to 1.78". With
10 degree hardware, 4705-16 spring seats, and the +.050
super locks you should see a 1.75" installed height.

Many have used the stock or LT4 spring seats with these
springs. I personally don't like the way the springs sit on the
spring seat. I have the 10 degree setup on mine.

Here is a pic if you are curious Beehive and LT4 spring seat
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