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Author
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Topic: Need to degree 270H cam?
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BLACK65FORDFALCON
Journeyman Posts: 62
From: Sidney, B.C
Registered: Nov 2004
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posted 12-12-2004 04:49 PM
   
I was talking to the mechanic that built my motor. He built it about 4 years ago. Anyways we were talking about cams and he mentioned that he never degreed my 270H comp cam magnum. I could no beleive that he would not have degreed it. After x -mas I am going to be installing an aluminum water pump, And I am going to install a comp double roller timing chain. While I'm in that area I think that it would be a good idea to degree the cam. My question is what should I degree the 270H magnum cam to? Should it be advanced and if so by how much? I have never done this before so any help would be greatly appreciated.Also Am I currently loosing horepower because my cam was never degreed properly? Is this going to damage my motor? Thanks for any help/suggestions and or ideas on this matter. Thanks.
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Dubz
Gearhead Posts: 1781
From: Manitoba Canada
Registered: Oct 2002
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posted 12-12-2004 04:57 PM
i wouldn't think there would be any harm in it. a little more retard or a little more advance shouldn't hurt anything.it's to take up tolerances in machining of all the parts, so it wouldn't hurt to do it when you have the pump off. [This message has been edited by Dubz (edited 12-12-2004).]
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steve'66
Gearhead Posts: 9104
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 12-12-2004 05:07 PM
Read this,http://www.compcams.com/Technical/Instructions/Files/145.pdf Degreeing a cam is assurance that the cam is timed properly. By not checking you really don't know what the cam timing is. It might be perfect, and it might not. If it's advanced then it'll make more low end torque, if it's retarded it'll make more top end h.p.  SteveW
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 12-12-2004 11:29 PM
Degree it straight up.
They don't like being ahead or behind.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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ted
Journeyman Posts: 70
From: Central Texas
Registered: May 2003
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posted 12-13-2004 09:49 AM
If you're changing out the timing set and plan on degreeing in the camshaft, then you really need to check out where the original timing chain set has your cam timing located at now. The potential is there for the cam timing to change from one timing set to another and by checking the original set, you can put the second set at the same setting if you're happy with the original performance. Or you can advance or retard the second set based on the performance that was being achieved with the original set.As far as what to set the cam timing at, the cam manufacturers recommendation is a good place to start unless you've already run the camshaft and recognize where you'd like to move the torque range to. ------------------
Ted E.
Fe's are plenty fast, but "Y"'s are fun when they run in the nines.
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