Babbitus fragmentus!

[DJ S]

Originally Posted by Y-Blockhead

Newbie questions... What's the recommended milage between center main bearing adjustments? Or how do you determine when you need a center main bearing adjustment?

That's a good question... I have no idea. 20,000 miles? That's just a guess...

[Tom Wesenberg]

Originally Posted by Y-Blockhead

Newbie questions... What's the recommended milage between center main bearing adjustments? Or how do you determine when you need a center main bearing adjustment?

It would depend on how fast you run the engine, how often you change the oil, and whether or not you have a counterweighted crank.

[George Miller]

Originally Posted by Y-Blockhead

Newbie questions... What's the recommended milage between center main bearing adjustments? Or how do you determine when you need a center main bearing adjustment?

It will let you know when it is time. There is no right answer to your question on how long. It depends on a lot of things. How good was the babbit job, how fast do you drive, was it adjusted right in the first place, do you lug it on the hills, do you use the spark lever correctly and so on.

[George Miller]

I had a 1930 Townsedan that had 85,000 miles on it when I adjusted the mains and rods and ground the valves for the first time.It was a original car with the original engine. I might say it was real smooth also. Also no sludge in the engine.

[TDO]

Originally Posted by PC/SR

Try a presurized center main. Dennis Pirano in Tx has a kit, cheap and easy to install. Its a simple installation.

How do you contact Dennis Pirano in TX. ?

[PC/SR]

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Here is the link to his website. He used to list parts, but I guess you have to call him now. http://www.perfenginc.com/parts.htm/partsdept.htm

[updraught]

Seems to take some machining:


http://www.modelaparts.net/special.h...entermain.html

[PC/SR]

Does not require any machining. You need to drill and tap the center main cap, and the block for the fittings, with a drill into the oil passage. Its an easy job.