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Degree cam?

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Old May 6, 2011 | 06:54 PM
  #1  
mikey0oo's Avatar
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Joined: Mar 2011
Posts: 16
Default Degree cam?

If i degreed my cam right i got 110 lobe sep, the only thing is that i don't have spec card so i don't know if I advance or retard my cam? This is a pain its a 327 chevy roller cam
 
Old May 6, 2011 | 08:44 PM
  #2  
z28pete's Avatar
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Joined: Aug 2005
Posts: 9,215
From: North East PA
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I don't quite understand your question. Do you want to know whether to advance or retard the cam, or if the cam is installed straight up does it wind up being advanced or retarded? Personally, I would start off installing it straight up, and then decide if I want more bottom end or more top end. Hopefully you have a timing set that allows the cam to be advanced or retarded, as moving it a full tooth either direction may be too much.
 
Old May 6, 2011 | 09:34 PM
  #3  
GLENN M's Avatar
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Joined: Nov 2010
Posts: 55
From: van bc.ca.
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with info you have nobody can answer whatever it is your asking,get specs on cam its your only option,110 lsa will build power down low and have choppy idle depending on duration.most cams are designed for straight up i know some comp cam magnum cams have 4 degrees built in of advance good luck
 
Old May 7, 2011 | 08:37 AM
  #4  
mikey0oo's Avatar
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Ok lets try this again this is my first cam degree.i found true TDC, i got 66 Before max lift at .050,i got 172 on closing side at .050. I add the two and got 238 then /by 2 =119 the result max lift of intake lobe relative to crank and piston. 119 is my intake lobe centerline. now i dont have spec card so whats the next step? thanks you guys for all your help
 
Old May 8, 2011 | 09:08 AM
  #5  
GRIFF's Avatar
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Joined: Sep 2006
Posts: 948
From: Northwestern Pa
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What you were doing was varifing that the cam spec was what was advertized on the cam card. Normally if the degreeing proceedure shows the cam to not be exactly what the card show then you would adjust it to the spec. I think you have three options/concerns the first is to see if you can read the stamp serial number on the cam and match it with the manufacturer, the second is since we dont know the engine spec or the cam lift is there a concern with piston to valvce clearance? Third if you cant identify the cam and are sure there is no piston to valve clearance issues you could just do the proper installation proceedure without degreeing it. Personally I would get a cam that is made for you engine specs other wise it is doubtful the cam will be the best for what you have.
 
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