remote oil cooler hose size, 8,10 or an12?

[GD51LA]

street use or race track, what hose size and why?

what factors change with the hose size options ?

 

see most comon is an10. when you see most oem external coolers are closer to an12?

does high volume oil pump like nitto need an12 or 10 be just fine

[Duncan]

Dunno.

I run -10 on the race car.

[Dose Pipe Sutututu]

More so GReddy oil relocation kits, sandwich plates, etc. all use 10AN fittings.

And same, I've only used 10AN and my car sees track work (circuit, doing laps, not 10 sec squirt business).

[MBS206]

-10 is plenty for running to an oil cooler.

When you look at oil feeds, like power steering feeds, they're much smaller, and then just a larger hose size to move volume in less pressure. No need for -12.

Even on the race cars, like Duncans, and endurance cars, most of them are all running -10 and everything works perfectly fine, temps are under control, and there's no restrictions.