Bearing choice overload - The 1947 - Present Chevrolet & GMC Truck Message Board Network

hounddogs! · 04-28-2018, 01:39 AM

Help me narrow things down, guys. I have a 2004 LM7 that will be maybe 1 step above stock when all is said and done. (BTR truck cam being the main upgrade) For bearings, I'm looking at:

Cam Durabond CHP23T for the coating
Main Clevite MS2199P trimetal
Rod Clevite CB663P trimetal. I'm thinking that I don't need the extra oil clearance, doweled etc. versions

I've seen some build threads that used the Durabond cam bearings in particular. Any thoughts on my selection? Thanks.

71cadc10 · 05-01-2018, 09:43 PM

cam CHP23 are a very good set.
Also can use CHP 25 which are wider for more bearing area.

I don't really like the P series much from Clevite. H series run much better tolerances and clearances are very consistent.
King also have very decent sets of main/rods for the LS engine.

For a stock rebuild type deal, the main and rod bearings from the GM dealer are also usually very good on clearance and tolerance. Decently priced as well. I believe they are the federal mogul pieces.

hounddogs! · 05-04-2018, 09:24 AM

Helpful, cad. Thanks.

04-28-2018, 01:39 AM	#1
hounddogs! Restoring it $200 at a time... Join Date: Aug 2008 Location: NE Kansas Posts: 887	Bearing choice overload Help me narrow things down, guys. I have a 2004 LM7 that will be maybe 1 step above stock when all is said and done. (BTR truck cam being the main upgrade) For bearings, I'm looking at: Cam Durabond CHP23T for the coating Main Clevite MS2199P trimetal Rod Clevite CB663P trimetal. I'm thinking that I don't need the extra oil clearance, doweled etc. versions I've seen some build threads that used the Durabond cam bearings in particular. Any thoughts on my selection? Thanks. __________________ Charter member of the 'Put the dimmer switch back on the damn floor where it belongs' Society '68 5.3L-4 speed LWB C20; grandpa bought it for the farm in '71. Now LS 5.3, rather than 327. DD '09 Pilot Weekender '65 Skylark 300-4V-4 speed Wife's '07 Lexus ES350; 117 actuator motors and I can't see the engine. Son's '04 F250 SuperCab 6.0

05-01-2018, 09:43 PM	#2
71cadc10 Registered User Join Date: Apr 2004 Location: Boiling Springs, PA Posts: 435	Re: Bearing choice overload cam CHP23 are a very good set. Also can use CHP 25 which are wider for more bearing area. I don't really like the P series much from Clevite. H series run much better tolerances and clearances are very consistent. King also have very decent sets of main/rods for the LS engine. For a stock rebuild type deal, the main and rod bearings from the GM dealer are also usually very good on clearance and tolerance. Decently priced as well. I believe they are the federal mogul pieces. __________________ 71 C10 long bed, 2003 6.0L, 06GTO E40, T56, 12bolt 4.10 rear

05-04-2018, 09:24 AM	#3
hounddogs! Restoring it $200 at a time... Join Date: Aug 2008 Location: NE Kansas Posts: 887	Re: Bearing choice overload Helpful, cad. Thanks. __________________ Charter member of the 'Put the dimmer switch back on the damn floor where it belongs' Society '68 5.3L-4 speed LWB C20; grandpa bought it for the farm in '71. Now LS 5.3, rather than 327. DD '09 Pilot Weekender '65 Skylark 300-4V-4 speed Wife's '07 Lexus ES350; 117 actuator motors and I can't see the engine. Son's '04 F250 SuperCab 6.0

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