Subject	applies to engine bearings as well IMHO
Posted by	aliaZ on December 10, 2010 at 6:17 PM
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In Reply To	2nd -> more power = larger clearances posted by LitlElvis on December 10, 2010 at 04:49 PM
Message	Granted these are for a Chevy, but the principle still applies considering the rod journals are similar in diameter: All images are from here: [ http://www.chevyhiperformance.com/tech/engines_drivetrain/shortblock/4380_bearing_clearance_info/photo_03.html ] Page 5 here recommends .00075" to .001" clearance per inch of shaft diameter, plus an additional .0005 for high performance builds: [ http://www.clevite.com/publications/EB-40-07.pdf ] Additionally, Clevite and ACL offer race bearings with an additional .001" clearance for severe duty
Follow Ups	Is tighter always better? - ZXoltan 16:00:58 12/10/10 The only reason I can think of tightening up the clearances - JonnyZ(SoCal) 16:28:02 12/10/10 the things you learned at UTI is for stock rebuilds - aliaZ 16:37:20 12/10/10 2nd -> more power = larger clearances - LitlElvis 16:49:53 12/10/10 applies to engine bearings as well IMHO - aliaZ 18:17:15 12/10/10 Yes, I've always followed ~0.001" per inch of journal dia - LitlElvis 18:40:33 12/10/10 according to my sig pic - Adam (NoVA) 16:53:49 12/10/10 Lol! (n/m) - JonnyZ(SoCal) 17:06:11 12/10/10 appropriate answer (n/m) - WickedZX (NoVA) 17:19:03 12/10/10 thread hijack - Adam (NoVA) 17:21:55 12/10/10 My 240 is long gone. - WickedZX (NoVA) 17:47:11 12/10/10 update your profile :) (n/m) - Adam (NoVA) 09:55:50 12/11/10 not necessarily (n/m) - aliaZ 18:19:57 12/10/10 Always stay within recommended specs. "Tighten up", - zellamay 18:24:10 12/10/10 "always" is incorrect in my opinion - aliaZ 18:35:52 12/10/10 Re: Is tighter always better? - ttz'in (NorCal) 22:46:50 12/10/10
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