Re: 360 mopar oiling
we use a smaller filter, ph 43, adds oil to pan. 5 1/2 quarts. total. no issues/ also,full groove mains.
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Re: 360 mopar oiling
I've run stock crank 360s to 7300-7400 in a non-Stock application with multiple style big pans, cross-drilled crank, accu-sump, System 1 filter, big pump, 002-0025 clearance, etc. etc. and still knocked the bearings out of it. The issue is getting oil on the crank and keeping it there instead of being bled off to other places, like the left galley, and the cam and heads. You have to fix the block, specifically the oiling system, and keep the oil on the crank. Some of the stuff I've done isn't legal for Stock. Are bushed lifters and/or non-OE plumbing in the lifter valley legal?
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Re: 360 mopar oiling
If you use a windage tray take it out, same with a crank scraper, and the biggest difference you can do is use the oil accumulator, i had the same issue until i used the oil accumulator.
Tim |
Re: 360 mopar oiling
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Re: 360 mopar oiling
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Thanks, Vance |
Re: 360 mopar oiling
Send me your email address, My dad did a ton of testing when the X block was developed, I have a list of stuff to drill out on the block. If you would like to talk to Herb hisself I can get him in touch with you. Herbieamccomedy@gmail.com Google A engine oiling mods herb mccandless. It may still come up. We drill almost every internal passage in the block.
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Re: 360 mopar oiling
Drilling passages to the mains, opening passages in the rear of the block, port matching the pump to the cap, massaging sharp corners, tubing the block (once, what a mess, just bush the bores), even fabing a dual pickup assembly were among the first things I tried. While they are, without doubt, beneficial, It didn't address the core problem, which is keeping oil on the journals in question. Measuring oil pressure at the port on the rear of the block tells you nothing about what is happening to the pressurized oil once it gets to the #2 and 4 mains.
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Re: 360 mopar oiling
As a side note, we ran stock bottom end, steel crank 340s to 7800 for a long time with none of these issues. Cut an iron 360 crank for in a 340 block to get some cheap stroke, and almost right away, spun a bearing and broke the rod. Put a new stock bottom end 360 together and have the same issue, although I paid attention to it and would fix it as needed rather than blow it up. Something about the increase in stroke and the iron crank that doesn't like to be spun beyond about 6800. Some folks get away with it for some reason.
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Re: 360 mopar oiling
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Re: 360 mopar oiling
I read, or heard, somewhere that the mopar crank oil feeds holes are drilled in the wrong place.?? Rod or main, can't remember. But I'm thinkng the full groove main bearing would solve the main holes.
It was said to copy a SB Chevy crank, they seem to have no problem with this issue. I'll compare as soon as I can get my hands on one. Mike |
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