Subject: Mystery engine noises
Author: Edward Walton
Date: Aug 7, 2005, 6:07 PM
Post ID: 1719263492
Hi guys
This is a 73 Eldo that I have been working on since the winter. Had the engine out replace all seals timming chain & tensioner lots of other work and upgrades. After first getting the eldo on the road, eldo went like hell & sounded good but started pumping oil out breather tube. Had 165 psi and 140 psi. Pulled 140 side off, broken top compression ring, it had been in there for a while no damage to chrome bore but piston ring slot looked enlarged a bit. So I put a used chrome bore cylinder set on. Had 165 psi both sides now. No more oil comming out the breather allright!!
It lasted two weeks and started burning oil. So pulled it off and found pits on chrome bore just starting to appear, so i figure no use putting new rings in with chrome starting to go! Shit!!!
So reinstalled original piston and cylinder set with new rings { like I should of in the first place} and good compression and no oil out the breather, allright !!
Now I have a wierd noise that sounds like a bad or loose valve lifter.You cannot hear it when excelerating or decompressing , but steady running at 35 mph and up you can hear it. I run 0.008 inch clearance exhaust and intake valves , so valves are noisey.
I reset the valve clearances to 0.002 inch and same noise at the same times.
I thought the noise was there with the other top end and just needed to adjust the valves but i cannot be shure of that
Do you think I screwed up the rod bushing or could the extra piston slot gap make this noise ?? Could their be something wrong with the cam and lifters ??
Any advice would be much appreciated !!
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