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JM 35 Sedan · 05-30-2011, 11:05 PM

What was the actual piston to cylinder bore clearance after machining? What actual gap setting did you use for piston rings? Who is the piston manufacturer and what material are they made from? I'm thinking machined clearances could have been set too close. I hope the problem can be easily corrected and all turns out well for you. I know this has to be discouraging for you. I once had zero oil pressure at start up on a newly built FH engine and had to pull and dismantal most of the engine to find the problem and then check everything internal for possible damage. This was not my happiest Flathead V8ing memory but there was a happy ending. This engine is now running well and has gone over 6,000 miles.

05-30-2011, 11:05 PM	#12
JM 35 Sedan Senior Member Join Date: May 2010 Location: Near Rising Sun, Maryland Posts: 10,858	Re: Engine seized 2 miles after rebuild What was the actual piston to cylinder bore clearance after machining? What actual gap setting did you use for piston rings? Who is the piston manufacturer and what material are they made from? I'm thinking machined clearances could have been set too close. I hope the problem can be easily corrected and all turns out well for you. I know this has to be discouraging for you. I once had zero oil pressure at start up on a newly built FH engine and had to pull and dismantal most of the engine to find the problem and then check everything internal for possible damage. This was not my happiest Flathead V8ing memory but there was a happy ending. This engine is now running well and has gone over 6,000 miles. __________________ *John* *"Never give up on what you really want to do. The person with big dreams is more powerful than one with all the facts". Albert Einstein* Last edited by JM 35 Sedan; 05-31-2011 at 10:10 AM.