28-01-2015, 04:33 PM
(28-01-2015, 04:23 PM)Nathan1305 Wrote: Surely if it's a big issue I would have temp or running problems?
Nope, oil and water mixing wont necessarily cause noticeable problems. Its when something leaks (oil/water) into the cylinders that you get running problems, and when exhaust gets into coolant you get temp problems.
Not sure how to prove whether is the cooler or HG in your case though.