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Originally Posted by Engr_Jim
Thanks for the advice. Finally got around to running the compression test and the results were all 140-150 psi. The manual indicates 170-210 at sea level is appropriate. I'm in Denver, still those seem very low. The plugs are oil-fouled and the engine leaks oil (from where I'm not sure). It doesn't generate much power at all. Sounds like a 'flat worn out engine' doesn't it?
If so, that leads me to the next step - the overhaul. I'm not sure how much I can handle in the rebuild. Do most folks pull the engines themselves with a rented crane and somehow get it to a shop for rework? Is that too big a job for a handy mechanic but one who usually just does moderate repairs?
Thanks in advance!
Jim
'65 T-Bird Convertible in Denver
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Your compression numbers are not that bad. The most important thing is +/- 10% across the board aside from totally low numbers of which you have neither. BoaterBob may be onto something, especially with 2 fouled plugs and the readings were good on both of those cylinders? It is also possible that you have lost or really bad intake valve seals on those 2 cylinders. Pretty unlikely since valve seal failure or fatigue is generally global. In your earlier post you said 2 fouled plugs and now you state the plugs are oil fouled, is that all the plugs? How much oil is it burning and does it smoke on free revving or only when you first start it? If you have never pulled an engine and don't have a friend or someone that can help you with knowledge or experience you might want to look at a shop to do it. Before you get that far you should ensure you know what you have. Good Luck!