Quote:
Originally Posted by Hesster1977
"New engine, no PCV, blowing oil out the rear main like crazy and winter Frothing of oil."
Yep - I suffered with Rear Main leaks on my modded Pontiac 400 block. Especially after upping the horsepower. I tried everything - ditched the Rope Seal and went with Viton, tried various PVC set-up's, Catch Cans, etc.
I don't know what it is with Pontiac Engines making so much Crankcase pressure?
Finally went with a Butler Crankcase Evac Kit - expensive, but it works great. Problem solved.
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I think its the rpm's..a factory 455 would maybe see 5200 rpm ...maybe 5500...mine can see 6500..big difference .Engine is an air pump works both ways.
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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2,generic one inch open spacer
373 gears 3200 Continental Convertor
best et 10.679/127.5/1.533 60ft
308 gears best et 10.76/125.64/1.5471
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