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Author
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Topic: cam break in
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2bav8
Gearhead Posts: 207
From: Mesa, AZ
Registered: Jun 99
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posted 10-14-2002 03:51 AM
   
Ok,CompCams recommends you remove the inner spring on a dual valve spring setup when you break in a cam. How many of you guys actually do this? It would definitely be a pain in the @ss to put the springs back in once its on the car. Cam is 234 duration and .531" lift on intake. ------------------
2BAV8 Mustang
www.geocities.com/2bav8
1966 Restomod Coupe
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Moneymaker
Administrator Posts: 19751
From: Lyons, IL, USA
Registered: May 99
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posted 10-14-2002 02:00 PM
Never done it in my life. This is an "insurance policy" for the cam companies.
Well lubed, good lifters, the correct spring pressure and installed height will prevent and possible cam lobe failures. I pre lube the engines with a primer and a drill, then fire them up. I set the ignition timing, and hold the engine about 2000 RPM for about 2-3 minutes. I then let it idle and make carb/valve adjustments as neccasary. I then wing it a few time to peak RPM and listen for any missing or strange noises. I then shut it down and change the oil and filter. It it is a solid cam I re-set the lash at this time. Using this method, I have never had a cam go flat during break in unless it was a bad cam to begin with or cheap lifters.  ------------------
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!"
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2bav8
Gearhead Posts: 207
From: Mesa, AZ
Registered: Jun 99
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posted 10-15-2002 02:06 AM
Thanks Alex, that's what I needed to hear.
Otherwise it would be a major main in the @ss.Have you heard of any problems with CompCams camshaft lobes being wipped out lately? I heard they had a slight backorder because of this. Just trying to protect my latest V8 from pre-mature metal fillings . ------------------
2BAV8 Mustang
www.geocities.com/2bav8
1966 Restomod Coupe
IP: Logged |
Moneymaker
Administrator Posts: 19751
From: Lyons, IL, USA
Registered: May 99
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posted 10-15-2002 10:47 AM
Back order was due to lack of cam core blanks. ------------------
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!"
IP: Logged |
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