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Author
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Topic: Cam roller bearings (tried them)?
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SundanceKid
Gearhead Posts: 1274
From: UT
Registered: Feb 2001
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posted 01-23-2002 04:28 PM
   
I was wondering if anyone has run cam roller-bearings?
Just to clarify not a roller cam, the steel bushes replaced by needle roller bearings.I can't find any information about them advantages or disadvantages. Any help or links appreciated.
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Just Strokin
Gearhead Posts: 754
From: Tuscaloosa, Alabama
Registered: Dec 2001
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posted 01-23-2002 05:55 PM
Any time something is rolling verses rubbing, you don't have the frictional HP lost. But, the cost to install them, is it worth it? Have you priced the charges to install them?
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TomP
Gearhead Posts: 6120
From: Delta BC Canada
Registered: Dec 99
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posted 01-23-2002 09:23 PM
disadvantages:
1: cost
2: ruins block for future non-roller cam use
3: lots more tiny parts to failadvantages:
1: can divert that oil to mains
2: maybe 2 horsepower at 10,000 rpm 
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SundanceKid
Gearhead Posts: 1274
From: UT
Registered: Feb 2001
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posted 01-23-2002 11:49 PM
35.00 from Summit or Ford plus machine work....can't cost that much? Dono? Good point about the small parts.
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Moneymaker
Administrator Posts: 27499
From: Lyons, IL, USA
Registered: May 99
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posted 01-24-2002 12:26 AM
I use them on MM exclusivly. They are definatly worth HP. More than 2 at 10,000 RPM.  The cost to install the bearings is usually $250 or so. The hidden cost is the special 50 or 55 mm roller billet camshaft that you must purchase to go along with it for about $400. A std SBF roller cam will not work with the rollerized cam bearings.  ------------------
Alex Denysenko
Co-Administrator and Moderator
NHRA/IHRA/SRA member
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
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SundanceKid
Gearhead Posts: 1274
From: UT
Registered: Feb 2001
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posted 01-24-2002 03:46 PM
Ah..see that is the glitch then! Ford sells two types for the SBF regular and SVO they list the SVO as needing special cam diameter but didn't list anything special was needed for a regular block. Good to know from those who have tread these waters. Thanks Alex
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