Quote:
Originally Posted by Xeen
You have provided very little information on what you have and haven't done to the engine so here's what I recommend.
You need to check the compression on all cylinders first and foremost.
There is a really good chance that the camshaft and entire valve train is pretty worn at 150k miles, you are probably floating valves left and right.
Have you rebuilt the carburetor since you have owned it.
I would pull out the gas tank and have it hot tanked, don't put the old fuel back in it afterwords.
I would also rebuild or change out the distributor, replace the timing chain and gears and then put a timing light on it and calibrate it properly.
I would also change out the plugs and install NGK G-power platinums.
You also need to completely go through the vacuum system and replace everything.
You also need to buy some spark plug wire seperaters and heat shields and organize them to keep them away from your exhaust manifold.
You need to basically completely go through the entire engine and troubleshoot it and recondition it and bring it back from the dead, it is very old and needs some serious attention.
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Just to go through the list:
-I made sure compression was good when I replaced all the engine seals
-I haven't taken a look at the camshaft
-The carb has been rebuilt, I want to say 5-ish years ago (hasn't been driven much so not too many miles on the rebuilt carb)
-Do you think it is necessary to do anything to the gas tank since it's only a couple of years old?
-I haven't done any work on the distributor, but the plugs and wires are fairly new. None of the wires run past the exhaust manifold
-I have gone through the vacuum system and checked for leaks. I didn't find any, but haven't replaces EVERYTHING
When I was resurrecting the engine from total death, I went through a bit to get it running again.
Let me ask this, everything looks/feels/sounds right under the hood. If the problem is indeed engine related, why would everything act normal until I put it in gear and get up to speed. Not trying to sound snarky, I'm seriously asking out of curiosity.