It very depends on the gauge you are using.
My own gauge do read 90-60% leak on every cylinder.
Another gauge shows 10-30%. Which one is right?
I still run the engine as is.
My engine started to leak badly after during the last race.
Cause was a check valve failure on the crank case evacuation system.
A new one is on the way and I hope the leak is gone with it.
Cheers
Chris
-----Urspr|ngliche Nachricht-----
Von: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] Im
Auftrag von n197tr4@cs.com
Gesendet: Donnerstag, 23. Juni 2011 17:36
An: fot@autox.team.net
Betreff: [Fot] LEAK DOWN TESTING CRANKCASE PRESSURES
FOT
This seems like it may be a good topic.
I was getting an undue amount of crankcase pressure at Topeka.(Just now
trying
to find the time to sort out)
At idle there are absolutely no engine oil leaks. At 60-100mph the oil is
being pushed out in huge amounts. at every possible location.
This occurs in spite of otherwise very effective vacuum system we have used
with great success on the TR4 #197
Have never done a leak down test in all of these years or had one done. No
experience at all.
Results: 100/85 100/80 100/60 100/60
Pretty dismal readings if I did it correctly.
Head is off and new rings to be installed.
The benefit of FOT experience and knowledge would be greatly appreciated.
Thanks!
JOE A.
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