North American Turbocoupe Organization

Oil cooler, anyone done this?
acroft11 Offline
Junior Member
In the middle of rebuilding the engine. 

I have come to the point of putting the oil cooler back on and have decided to either delete it or change it to a sandwich and add cooler up front. 

Would have liked to put it back on, but not excited about that, since engine had 200k and i don't have much history on that 200k.

I know a new one is pretty much out. 

So has anyone put a sandwich in and run through an automatic trans radiator on a 5sp?  Kind of be similar approach, right?

I'm switching to a new turbo that doesn't have water cooling. Not sure if that makes a difference. 


88 black bird.

Jeff K Offline
A sandwich type adaptor and external cooler should work. Just be sure the sandwich isnt any thicker than the stock cooler or you will have trouble getting the oil filter on/off due to interference with the steering shaft.

The stock oil "cooler" also warms the oil much quicker after a cold start. In other words the stock "cooler" is really a oil temperature to coolant temperature equalizer. You may want to consider a thermostatic valve that bypasses the external cooler until the oil warms up to 180 deg F or so, especialy if you live in a cold climate. I have seen these valves online, but cant remember where I saw them.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized

acroft11 Offline
Junior Member
OK thanks. The warming thing is why i thought about running it through the automatic trans ports on the radiator, i have generic radiator with those ports, but car is 5sp. I have now read that the flow probably isn't good enough to do that, though.

I also read something that said routing the oil external isn't a good idea on stock flow volume pumps. I am putting back a stock flow pump, because of the issues I've read about the aux shaft and dizzy gears. I have ordered the esslinger billet shaft and gear, still waiting on it.

I know some have just deleted the stock cooler and not put anything back. Is this my best option?

I live near atlanta, it's hot most of the year. I doubt I'll ever over cool the oil.


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