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Author Topic:   Cam degreeing method
Pierre
Gearhead

Posts: 349
From: France
Registered: Apr 2002

posted 12-20-2002 08:14 AM     Click Here to See the Profile for Pierre     Edit/Delete Message   Reply w/Quote
I degreed my present cam by mesuring the number of degrees beetween TDC and 0.050 lift of #1 intake lobe and making sure that it matched the specs on the card (it did !) Now I see that in a recent article of Mustang and Ford they use the lobe intake centerline spec (which I thought wasn't as accurate !) - BTW, they got a whooping 9 extra hp out of a cam that was 4 degree off !!

So, keeping in mind that the application is street performance and the cam mostlikely a 270S, what will be the best method ?

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SteveLaRiviere
Administrator

Posts: 30261
From: Saco, Maine
Registered: May 99

posted 12-20-2002 01:41 PM     Click Here to See the Profile for SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Two means to get to the same end. Whichever you're most comfortable, I'd say.

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Moneymaker
Administrator

Posts: 18281
From: Lyons, IL, USA
Registered: May 99

posted 12-20-2002 07:58 PM     Click Here to See the Profile for Moneymaker     Edit/Delete Message   Reply w/Quote
Go to COmp Cams website and use their very complete and easy to use cam degreeing instructions.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
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steve'66
Gearhead

Posts: 5452
From: Sonoma,CA,USA
Registered: Mar 2000

posted 12-20-2002 08:36 PM     Click Here to See the Profile for steve'66     Edit/Delete Message   Reply w/Quote
Comp cams are degreed off the "nose" of the cam lobe. Cranes use the number at .050 under the nose. If it's a Comp the card won't have the -.050 number. Measuring max lift (the nose) is plenty accurate.

SteveW

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Moneymaker
Administrator

Posts: 18281
From: Lyons, IL, USA
Registered: May 99

posted 12-20-2002 08:59 PM     Click Here to See the Profile for Moneymaker     Edit/Delete Message   Reply w/Quote
All of my Comp cam cards have the number at .050 Steve.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
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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steve'66
Gearhead

Posts: 5452
From: Sonoma,CA,USA
Registered: Mar 2000

posted 12-20-2002 11:09 PM     Click Here to See the Profile for steve'66     Edit/Delete Message   Reply w/Quote
Here's Crane's method,

http://64.90.9.168/cranecams/pdf/803.pdf


Comp's isn't online any more, they want you to buy the video I guess. It is in the catalog though and you set it up off the max lift of the lobe.

SteveW

[This message has been edited by steve'66 (edited 12-20-2002).]

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Pierre
Gearhead

Posts: 349
From: France
Registered: Apr 2002

posted 12-21-2002 09:16 AM     Click Here to See the Profile for Pierre     Edit/Delete Message   Reply w/Quote
Thanks guys for these replies, I'll see if I can get my hands on the comp cam method, otherwise since they are no obvious better ways, I'll stick to my previous method.

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Moneymaker
Administrator

Posts: 18281
From: Lyons, IL, USA
Registered: May 99

posted 12-21-2002 11:17 AM     Click Here to See the Profile for Moneymaker     Edit/Delete Message   Reply w/Quote
We've been at Beth's since yesterday so I don't have access ot all of my stuff or my comuter. I'll be home soon and I'll scan the Comp instructions.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
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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mstngjoe
Journeyman

Posts: 64
From: Oregon
Registered: Aug 2002

posted 12-22-2002 08:41 AM     Click Here to See the Profile for mstngjoe     Edit/Delete Message   Reply w/Quote
I've always used the Comp Cams suggested method and never had a problem. Quick and easy.

Look here: http://www.compcams.com/catalog/022.html

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My Mustang
My next engine

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