Oil Pump Coolers

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An oil cooler can keep the oil from overheating thus extending the life of your engine. This is called for in racing, or in extended high-speed driving. Normal driving does not benefit from an oil cooler, as oil is designed to work at a temperature of around 200 degrees Farenheit. Cold oil is is also bad. In a stock engine, the oil is cooled internally by the engine coolant, hence the importance of keeping the water temperature below 200 degrees, for example by using a 180 degree Thermostat.

Nissan Competition sells oil coolers, which utilize a sandwhich plate bolted between the Oil pump and the Oil filter.

Overview

Oil cooler parts are not rare.

The sandwich plates are also available from racing supply companies like Earle's, Summit Racing, etc -- Ford type fits the Datsun. The the oil coolers are available from Jeff Taylor and others.

Transdapt Oil Sandwich Adapter #1313 for Fords and others with 3/4x16 thread.

Transdapt on A12

https://www.google.com/search?q=Transdapt+1313

A12 oil filter C20 Vanette are nice and short and clear winged sumps.

Thermostat

Summit Racing: Cold oil does not flow and does not lubricate correctly. Plus, moving cold oil robs power. These thermostats are designed to bypass the cooler until the oil reaches 215 [F] degrees.

ang94541: I keep my oil cooler covered most of the year because the oil temp doesn't get hot enough. It never gets above 180 F [in California].

MOCAL oil cooler thermostat is factory set for 180F (82 c) degrees.

Spruce: it has always been recommended to get the oil temperature just over 100°C during each flight to burn off the water which can contaminate the engine oil

Mounting

One possible place to mount the cooler is in front of the radiator.

A better location may be next to the radiator, where the A/C panel is.

Nissan Competition Parts

From 1984 Nissan Competition Catalog

• 21305-H2310 OIL COOLER ASSY Easily adapted to 1200, B210 and 210 models with minor modifications. Designed for use with the competition Oil pump. Dimensions are 8.5"(w)x11"(h)x1.5"(d)
• 21355-H2310 HOSE FOR OIL COOLER
• 21356-H2310 HOSE FOR OIL COOLER