Why do stock LT1's with cams always spin bearings, do LS1's do this?
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Joined: Aug 2001
Posts: 2,400
From: Michigan's left coast
Originally posted by Lonnie Pavtis
How about the fact that the first thing many people do after installing a bigger cam is to raise the rev limiter to use the cam to its full potential? A few hundred RPM can make a big difference on engine life. Going from 5800 to 6200 can mean roughly a 14% increase on internal stresses as forces increase with the square of engine speed increase.
How about the fact that the first thing many people do after installing a bigger cam is to raise the rev limiter to use the cam to its full potential? A few hundred RPM can make a big difference on engine life. Going from 5800 to 6200 can mean roughly a 14% increase on internal stresses as forces increase with the square of engine speed increase.
That whole thing in GMHTP was painful to read - as if the LT1 is some delicate flower. If it was really that sensitive, I'd have Mario the Ferrari mechanic helping me out with my engine work.
For what it's worth, I had no issues after the cam swap in my Impala's original 350. I kept things clean, I had plenty of room to work with, and I didn't try to find out what the tach needle looks like when it's sitting on the other side of 6500 RPM.
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