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Possible oil pressure issues

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I have just finished an engine rebuild after the engine had a melt down however when i ran the car up for the first time the rattles that I expected for the first few seconds after starting up did not go away after a few minutes. Also the oil warning light (the red one) came on so I shut the engine down immediately.

the engine was rebuilt after shells melted and sent crap all around the engine and warped my con rods.

what I have done:

Engine completely disassembled and steam cleaned

New Shells and main bearing shells

New piston oil squirters

Crank Polished and checked for straightness

New Con Rods balanced and matched to less than a gram

New chain guides due to damage

New hydraulic lifters

New oil filter and of course oil.

Oil pump disassembled and cleaned

Anyone have any ideas where to go next


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possibly found the problem.

I read a post about crushed oil filters and seem to remember when i removed the oil filter when i re built the engine it was twisted. (i assumed this to be normal) I have taken the oil filter off and found it to be twisted again I have removed this and installed the oil filter pot without a filter fired it up and everything ran normally. shut the car down as didn't want to run long without a filter.

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