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    Chrysler Marine 440 Rebuild w Low Oil Pressure

    Ya, thicker oil is in the plan regardless. These engines originally (mid 70's) call for SAE30 oil and I've been using 10W30 mainly because 30W oil is getting harder to find. 20W40 seems like a good choice for the future but for the moment, it is only a bandaid solution. If the oil pump...
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    Chrysler Marine 440 Rebuild w Low Oil Pressure

    I rebuilt my 77 440's a couple years ago and I noticed on one engine at first startup that it had a bit lower than normal oil pressure at cold start than what I would have expected. Instead of the typical 60 psi, I got 40-50 psi. Still ok but not clear why it was a bit low. The rebuild engine...
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    OEM specs for ORIGINAL Chrysler Marine 440 Camshaft

    All, I'm looking for any documentation/knowledge on the camshaft profile for the original marine engines. The service manual has nothing. I'm in the process of "degree'g the cam" on both my engines (results to follow) as part of my rebuild/overhaul but I'm looking for a baseline to compare...
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    440 Reverse rotation engine - front and rear main seals

    Hi all, new to the forum and my first post... I am rebuilding my twin 440s and the port engine is a reverse rotation (72 vintage). The crank still has the oil slinger groves in the correct orientation for a rev rot engine. I've been researching the best approach for front (timing cover) and...
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