Federal Mogul vs Clevite 77s
#3
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I was just talking with a few engine builders about this very subject and the two that I talked with both used Clevite on the mains and the cam bearings and they used Fedral mogul rod bearings. Both of them are Big LS1 sponsers and I don't want to say who they were as they might not like people knowing what they use so I will let them say if they wish etc... So all I can say is call them like I did and see what everybody is recomending. I was told the Federal mogule mains have more clearance so the oil presure doesn't look good and so it scares people so that is the reason for the mains anyway. I guess it would scare me too if my new high dollar motor had only 20 psi at idle etc... The builder said it was not a problem he still uses them in there really high HP motors just not in the ones they are selling to the public because of the low oil presure etc..
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Clevite 77 does offer bearings for the LS1/LS6. The rods are the same as a standard SBC, but the mains are different. Now, Clevite offers what they call a "P" bearing, and an "H" bearing.
The "P" bearing is basicly a stock OEM bearing. The "H" bearing is suitable for all types of racing. You would use an "H" bearing on just about all aftermarket cranks.
ROD BEARING PART# CB663 (P or H)
MAIN BEARING PART# MS2199 (P or H)
We keep a large amount of these in stock ready to ship!!
The "P" bearing is basicly a stock OEM bearing. The "H" bearing is suitable for all types of racing. You would use an "H" bearing on just about all aftermarket cranks.
ROD BEARING PART# CB663 (P or H)
MAIN BEARING PART# MS2199 (P or H)
We keep a large amount of these in stock ready to ship!!
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Originally Posted by kjsdpc
Clevite 77 does offer bearings for the LS1/LS6. The rods are the same as a standard SBC, but the mains are different. Now, Clevite offers what they call a "P" bearing, and an "H" bearing.
The "P" bearing is basicly a stock OEM bearing. The "H" bearing is suitable for all types of racing. You would use an "H" bearing on just about all aftermarket cranks.
ROD BEARING PART# CB663 (P or H)
MAIN BEARING PART# MS2199 (P or H)
We keep a large amount of these in stock ready to ship!!
The "P" bearing is basicly a stock OEM bearing. The "H" bearing is suitable for all types of racing. You would use an "H" bearing on just about all aftermarket cranks.
ROD BEARING PART# CB663 (P or H)
MAIN BEARING PART# MS2199 (P or H)
We keep a large amount of these in stock ready to ship!!
Thanks!