I am going to install a bypass oil filter on my 1980 300d, and I need a oil pressure source. Is there a place on the block that I can tap into besides the oil filter housing? If not I will have to tap into the oil filter housing where the oil pressure gauge fitting go's.GOD BLESS Matt (SD,CA)

One thing to think about is that the current oil filter has two parts. One's a full-flow, while the other (bigger, usually encased in metal) is a bypass filter unto itself.

Just something to consider

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2001 VW Jetta TDI, 5 speed, daily driver
1991 Ford F-350, work in progress
1984 Ford F-250 4x4, 6.9l turbo diesel, 5 speed manual
Previous oilburners: 1980 IH Scout, 1984 E-350, 1985 M-B 300D, 1979 M-B 300SD, 1983 M-B 300D
Spark-free since 1999

I will be installing a Gulf Coast bypass filter model O-1 tomorrow it holds 1 roll of paper towels. Still need help on oil pressure source. Heres the web site for more info. www.gulfcoastfilters.com