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Author
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Topic: Small block aluminum rods-deck clearance
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rustang@home
Gearhead Posts: 112
From: Clarion, PA
Registered: Jan 2004
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posted 06-21-2004 08:47 PM
  
I think I'm going with a set of GRP rods for my 347 with about a .050 to .055" piston to head clearance. I guess I'd like to know how much clearance is good, and where it starts getting risky?Also, what's the best head gasket? I'll be running Brodix ST5.0 aluminum heads. Are the copper gaskets a no-no for aluminum heads? 
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V8 Thumper
Gearhead Posts: 4413
From: Phoenix, Arizona
Registered: Dec 2001
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posted 06-22-2004 08:57 AM
Just from what I've read and IIRC, an assembled quench of .055 is required, as little as .045 but that's living dangerously  It's hard to imagine those things grow/stretch that much ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9" All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html
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Dynoram
Journeyman Posts: 49
From: ford country
Registered: May 2003
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posted 06-22-2004 12:51 PM
Alot of NMRA racers are having great success with the cometic mls (multi layer steel) head gaskets. Nascar is even using these gaskets now from what i hear. Heres a link to more info if intrested...http://www.federal-mogul.com/cda/channel/index/0,2186,2442_2891064,00.html [This message has been edited by Dynoram (edited 06-22-2004).]
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