ROLLER CAM BEARINGS

[STOCK 1090]

At what point are roller cam bearings an advantage? Is it a function of spring pressure?

Don, I listened to "33 Steps" today (about five times). I liked the part about thinking like a genius.

Thanks!

[speedtalk]

Thanks for the nice comment. Do you race Stock Eliminator?

At what point are roller cam bearings an advantage?

When you can afford them. No really, I think every engine would be better off - no destroyed blocks from spun cam bearings, less oil consumption (which allows you to free up some HP in the oil pump)...

[STOCK 1090]

Don,
Yes I am a Stock / Superstock guy. We enjoy going for the records.

I have not had issues with cam bearings spinning. I was just wondering if there are advantages to lower HP applications. How much oil do the roller bearings require? With a stock wet sump set up we fiddle with the pressure but are there ways of controling the gpm? Has anyone found any gains here.

Thanks
Richard Scaricamazza

[speedtalk]

When you're on the dyno with a dry sump engine it's easy to test what oil pressure does - lower psi always equals more HP. It's at least 1hp per 10psi.

Roller cam bearings need no direct oiling. They lower engine oil consumption by ~30% so you can also use smaller pump gears.