Quote:
Originally Posted by zippy1
Blasting the head isn't going to hurt anything, especially with baking soda.
The counter top piece would be fine. I've always used glass, but if you are sure it's "lazar" flat, go for it.
Yes, looks as if the head gasket was bad.
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I wish I could say it was laser flat - but I have no way of determining that. I have some levels and squares, but they're meant for carpentry, and it's entirely possible that none of them are laser flat, with a few thousandths variation of their own that would never impact anything carpentry related.
Quote:
Originally Posted by J-Mech
Head gasket was leaking.
Blasting the head is fine. I blast every one I rebuild.
Your engine is running very, very rich. Need to find the source of that problem and correct it. I would also say the timing is off, based on the carbon trail on the block below where the spark plug sits. I would say the timing is retarded.
From the amount of carbon, I'd say it's burning some oil too.
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I would assume the running rich is related to the carb adjustments - I just 'rebuilt' the carb, so that will need to be dialed in again (wish me luck lol - I've really never really monkeyed with carbs (they're kind of 'black magic'... or a barely controlled fuel leak - to me - I usually only monkey with FI), hopefully I'll get it running right, not rich, when I'm done. As far as timing, I recently replaced the condenser with a 'transdenser' from Kirk Engines. It has a LED in it (essentially replaces using a test light to indicate when the points open and close), so hopefully that'll help me dial in the timing. I'll have to sit down with that after the head is back on and the carb is more or less dialed in. I wouldn't be a bit surprised if it's burning oil.. I can't say I'd be shocked if it was found that the cylinder was 'egg shaped' and leaking compression and oil. It is 50-ish years old and as far as I know, has never been touched (in any major, rebuild/replace type capacity).