Let's talk about bearings

[Mousehouse]

What is everyone using and why?

Who makes the best bearings?

Does anyone use any coatings?

[Scott Williams]

I use Clevite 77 race bearings with the Calico Coating. I just took the engine apart to inspect everything after 100 passes and the bearings look brand new. :D

[jsj372]

I use Federal Mogul 3/4 groove .001 extra oil clearance. They have the brown coating. Anybody have an opinion on these?

[Monty Mikho]

I had the best luck with Clevite 77's.. :D The Moguls didnt like my motor.. :(

[Jim Monson]

I run Clevites. The "H" series.

[Mousehouse]

What about coatings. Is anyone else using them?

[Monty Mikho]

I am not using a coated bearing.. :D

[tom_cowle]

King bearings are what I like to use, these hold up great (World of Outlaw, truck pulling, NOS engines).

Not coated either.

Tom Cowle

[Chris Uratchko]

Clevite, Fed. Mog., King..... bla bla bla.... they're all good. I've used them all with good results.

Much is more dependant on sizing, and journal/bearing finish than on the manuf. of the bearing.

[k-star]

I have a few.....

I was talking to another shop owner just a few weeks ago about rod diameter. He told me he sizes all his rods at the bottom or a few tenths under size... his reason was that it will keep the bearing form spining, due to more crush... I dis-agreed with him. I said the rods as well as the mains have a bore tolerance for a reason. If the rod is within the tolerance no matter if it's on the high side ( but not over) the bearing will be held in place, with no fear of spinning..... I have sized rods on the small and big size to adjust my oil clearance and i never had any issues with them... It' sbeen a year or so but i did maesure the crush on time and i think it was like .005 per bearing shell.......

What is the correct way to determine the correct oil clearance for rods???? In the clevite book almost all engines have a minimum of .0005 for oil clearance.... I don't think a engine would live long with .0005 oil clearance on the rods????? would a bearing with a larger amount of eccentricity like a smaller oil clearance???? say you would build a engine with .0005 clearance on the rods would there be enough oil passing over the bearing to keep it cool????

keith

[mike gerlach]

Check out carrillo's web site:

http://www.carrilloind.com/story.html

some very good information there

mike