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any way it got down the carb during storage? would eventually leak by the rings. Also possible if it wasnt getting hot due to defective thermostat and or idling at the dock can get condensation in it
possible you have a crack in exhaust seat or rot through exhaust ports. You may not see that unless valves are removed from heads. I would have them pressure tested and or magnafluxed and valve job at a machine shop. They are off and you are looking for issues but haven’t found it yet…
If you...
Chevy used the Vortec name on 4.3 s before coming out with the vortec head deisgn on both 4.3 and 5.0/5.7 engines in 1996. So common to see Vortec on valve covers I think in 94-95 with the older style 12 bolt intake.
later in 90 s evry engine Chevy made it trucks was called Vortec. The head...
this . For same reason I put rollers on my jetski trailer as we have a shallow ramp on our property and use a tractor to launch and retrieve the ski annually. USed to have to lift the ski on the trailer.
As other have said either style will work well when properly set up, cant count how many...
I didn't have an issue with my rotor , preventatively changed it as the cap had green crusties, had to chisel the rotor off. I dont think I was a one off as they put loctite on them. bottom line likely to change the sensor you will waste a rotor
Is your ignition advancing properly? 3 different carbs and same issue I would look elsewhere. Vacuum leak is also good to rule out spray starting fluid at intake to head seam. Have you verified fuel pressure. Assume fuel is fresh and not contaminated ?
Fore you pull the intake do the pressure test with the spark plugs out you may have a bad head gasket That is leaking into a combustion chamber thru and open intake valve and out the intake .
I would at least pull the exhaust elbows and look in the manifolds for evidence de of leakage
I do remove it as it is out when I drain it. Pump til it’s full and com8bgmout vent, put vent plug in then pump til it’s shows in the reservoir. Then top off reservoir from the bottle
I would pressure test the block and heads to make sure they are not cracked if they are you know is exhaust or other water source.
you will need to change multiple times to get the water out of the oil. Issue will be if exhaust is still leaking water back in it’s not going to get you anywhere
There will be some air in top of the outdrive which Is no issue when the drive is turning the lube will get splashed everywhere.
i pump from bottom of drive until it starts to show level in the reservoir. Then top it off from the bottle. Usually it will drop a tad after a use or two assume air...
