1/4" NPT
Either right behind the distributor, or just above the oil filter.
Right above the oil filter.
Oil pressure sender. It is directly above the oil filter and has a wire going to it. Replace it.
It is on the front of the engine, just above the oil filter.
Oil filter adapter.
Mounted right above the oil filter,
its the valve just above the oil filter with one lead coming off of it
The fuel filter is located just above the rear axle.
Either behind the distributor, or above the filter.
The oil pressure switch and oil sender for older 454's are mounted on the lower left front of the engine block just above the oil pan.
Its right above the oil filter. Its easier to remove the oil filter to get to it.
The oil filter on a 1995 Chevy Tahoe 5.7 Liter is located in the undercarriage. It is just above the oil drain plug.