cam dagree
10-03-2006, 10:47 AM
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cam dagree Hey guys we just installed a cam 224/228 535/544 112 on his 2000 Z/28.
The rockers on #8 broke off and were just lying in the head, so we pull the head and there is notchs in the piston/marks on teh exhaust valve We lined this thing up DOT to DOT stock timmig chain. His Tunner (Ed Wright) to him the cam needs to be dagreed. Is this right ? If so how do we do it.
Also we where told to check piston to valve clerance
any idea's
TIA
Derek
The rockers on #8 broke off and were just lying in the head, so we pull the head and there is notchs in the piston/marks on teh exhaust valve We lined this thing up DOT to DOT stock timmig chain. His Tunner (Ed Wright) to him the cam needs to be dagreed. Is this right ? If so how do we do it.
Also we where told to check piston to valve clerance
any idea's
TIA
Derek
10-03-2006, 11:29 AM
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Sounds like a huge nightmare!
http://www.compcams.com/catalog/023.html
http://www.centuryperformance.com/piston2valve.asp
Other things that come to mind:
Are the pistons toast? Valve guides and valve(s) (bent)? Springs have sufficient bind clearance?
http://www.compcams.com/catalog/023.html
http://www.centuryperformance.com/piston2valve.asp
Other things that come to mind:
Are the pistons toast? Valve guides and valve(s) (bent)? Springs have sufficient bind clearance?
Last edited by Adrenaline_Z; 10-03-2006 at 11:36 AM.
10-03-2006, 12:04 PM
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the pistons have a lil groove in them the springs are 918's and as for the valves i'm sure there trashed he is getting new ones
thanks for the links i will read over them
thanks for the links i will read over them
10-03-2006, 12:40 PM
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Originally Posted by 2xLS1
The cam was installed wrong, was ground wrong, or is way bigger than what you think it is. A 224/228 535/544 112 cam installed dot to dot will not cause P to V clearance issues.
is that you Glenn
those are the specs on his cam card i thought it was something like 581/588 but his card says diff
we used the stock timming chain mabey the chain could have slipped a tooth
10-03-2006, 08:49 PM
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If it's a Comp Cam, the lobe number and and LSA are etched in the front of the cam. you can look up the lobe on Comps website and see if the specs match the cam card info. Maybe the wrong cam got in the wrong box. Degreeing the cam will tell you for sure what you have. Degreeing the cam is always a good idea. PredatorZ, a guy with way more knowledge than myself, convinced me to do it, and I'm glad I did. The cam had +4* advance ground in, but was not stated on the cam card. I hope everything turns out OK for you.