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Canadian818
11-06-2015, 03:30 PM
There's lots of room up front on the sides of the rad for oil coolers. Is there any downside to running lines up the side to a front corner for an oil cooler? Obviously need a little more line, little more oil, but would this put stress on the pump?

redfogo
11-06-2015, 03:39 PM
There's lots of room up front on the sides of the rad for oil coolers. Is there any downside to running lines up the side to a front corner for an oil cooler? Obviously need a little more line, little more oil, but would this put stress on the pump?

I would imagine your oil pressure might drop to low. If not that it would be probably bad for daily use and over cool your oil/ take a while to warm it up. Unless you get a thermostat switch for it or drive dedicated on track. I could be wrong though but most of the time oil coolers are not needed unless you have long track day time with less time to stop and cool down. A simple remote oil cooler mount may be more then enough to help cool down oil for most.

Bob_n_Cincy
11-06-2015, 07:50 PM
Using a oil filter plate (with thermostat) running to the cool air in the front of the cars should work great.
What is the downside to just sticking with the factory oil cooler?

Canadian818
11-06-2015, 09:04 PM
Using a oil filter plate (with thermostat) running to the cool air in the front of the cars should work great.
What is the downside to just sticking with the factory oil cooler?

I don't have the factory oil cooler, didn't come with the engine. I'm not sure if it already has a thermostat or not, but rotary's run pretty hot and dual coolers is a common upgrade on rx7's. My biggest concern would be strain on the pump and pressure loss.

Bob_n_Cincy
11-06-2015, 10:03 PM
I don't have the factory oil cooler, didn't come with the engine. I'm not sure if it already has a thermostat or not, but rotary's run pretty hot and dual coolers is a common upgrade on rx7's. My biggest concern would be strain on the pump and pressure loss.

The Subaru factory oil cooler doesn't use a thermostat. If oil is colder that coolant, it warms the oil.
If oil is hotter than coolant, it cools the oil.

47306

ssssly
11-07-2015, 03:11 PM
That is a pretty long way to run oil lines.

The side vents and or upper side vents should flow enough air for an oil cooler and keep the lines reasonable.

Legacygt21
11-20-2015, 01:10 PM
Too long of lines or improperly sized fittings/hose size can cause a good deal of pressure drop. The shorter the lines the better. And those OEM oil coolers are expensive if you don't already have one!

Khartley
11-21-2015, 06:04 PM
Turbo's don't like low oil pressure. You don't think you could find a stock one fairly cheap? Ebay maybe? I've had mine apart and they are pretty simple. If you do buy a used one, get the OEM gaskets to replace while you are installing it. If I remember right, should be 3 large O rings.