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Another WAG, according to the LPOP oil flow picture above there are 5 main bearings........there should be 4 plugs, the oil filter housing is covering one, maybe 2 of them. Unless the oil passages were cast into the block...unlikely.
On the old IDI's, some of the aftermarket turbos got their oil from one of these ports. That tells me that it would work for a mechanical oil pressure gauge.
04-02-2011, 07:24 AM
