Re: C-221 Intermediate Knock Update

Posted by ss55 on February 20, 2015 at 03:37:45 from (173.28.18.88):

In Reply to: C-221 Intermediate Knock Update posted by IAtractorKid on February 19, 2015 at 15:21:28:

A leak down test could help you identify the problem before you tear it down. You turn each cylinder to TDC on compression stroke (both valves closed), apply air pressure, then read the pressure drop and listen for where air escapes from each cylinder: intake; exhaust; rings, etc.

I don't know if a blown head gasket between two cylinders would be enough to roll the engine off TDC or not, just be aware it could roll a few degrees on #4 or #5.

What octane gasoline are you running in it?

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