5.0L GT ModificationsPlaceholder for future motor based GT's modifications.
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Anyone thinking about installing an oil cooler for the 5.0?
Anyone looked into oil coolers before? I saw there were a few aftermarket places to get oil coolers. I guess the 5.0 doesn't need it, or it would come with it from the factory. But I wonder if it would help engine longevity to have one. I also wonder if/how much hotter the oil will run when there are piston squirters.
This is from the big article that 5.0 Mustang magazine did on the development of the Coyote.
Consideration was given to an external oil cooler, but ultimately it was decided not to penalize all Coyote buyers for the occasional antics of a miniscule fraction of owners. Oil temperature rises precipitously when the Coyote is revved more than 4,500 rpm for extended periods, and then an external oil-to-air cooler is vital. But those conditions can only be reached on a road-racing track, so the expensive cooler was ditched and engine management strategies were used to protect the engine during hot idles. However, the mounting area for the cooler was "protected" during the 2011 Mustang's development. That makes it easier for the open-trackers among us to fit a cooler (highly recommended by Coyote engine designers), and tells you something about Ford's intentions for special editions of the Coyote-powered Mustangs.
And don't worry about the occasional open-track without an oil cooler. The engineers say the oil cools quickly as soon as you take your foot out of it, and the engine management will limit the torque output if the oil gets too hot.
In the 5.0 Mustang magazine article with the first look at the new engine they mentioned that a cooler was originally considered but they decided it was not worth the expense. It was deemed only necessary for extended use above 4500 rpm (track duty) and even then the engine management software is supposed to kick in to prevent meltdowns. Sounds like all the provisions to add one will still be there.
What Randy said.
Last edited by jeff s; 4/22/10 at 3:18 PM.
Reason: slow brain and fingers
I used to be into air-cooled VWs. Oil temp is a big deal for them. I had oil temp gauge and as the revs went up, so did oil temp. RPMs down, oil temp down.
The oil is heated between all the surfaces it mediates. More revs, more moving parts, more heat. As soon as you slow the engine, the oil temp drops almost immediately. Like was already said, unless you're road racing, you won't need an oil cooler.