Quote:
Originally Posted by 71RS/SS396
If I had to buy a crank I wouldn't stick with the small journal sizes, the bearing options become far more limited with the smaller sizes.
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Understood... I wouldn't have selected it myself if building the motor, but it was already there since this was complete when purchased.
Quote:
Originally Posted by 71RS/SS396
FWIW the bearing damaged was NOT caused by debris from the valve spring incident. Something else caused this, the broken valve spring likely saved you from turning the whole thing into a boat anchor.
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I agree with that also. The bearing damage was likely done during either a track day or an autocross during some long high-speed turns. I have had my oil pressure light blip on me before during those events, so it's likely that I lost pressure long enough to do damage.
To prevent this, I'm going to add the Accusump to help prevent these kinds of problems in the future. I'm also going to a normal volume pump instead of the high-volume pump. Finally, I may switch lifters to get rid of the plastic lifter trays that I think can hold oil. Mine have been drilled, but it still seems they could be a source of problems. Thoughts on that topic?
Quote:
Originally Posted by 71RS/SS396
I'm going to do some checking today at the shop, I may have a solution for you. Text me before you buy anything.
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Will do. I owe you a PM about Sunday also. Will reply shortly...
Thanx again everyone for the suggestions and knowledge you've all shared. I'm still learning about the LS internals since this is my first time digging into one...