Irish TuneR

I just did a trackday last Friday and it was hitting over 120 degrees after 3 fast laps, it hit 126.2 after 4. The day wasn't hot at all, probably stayed around 6-9 degrees all day. Measured from a Spa dual guage with the sensor mounted in a sandwich plate and running Castrol Edge TD 5w40. Just wondering would an oil cooler enable me to get 4/5 fast laps without having to worry?

I actually already have a second hand 10/12 row Greddy cooler at home but hadn't bothered fitting it because my oil temps i thought weren't that high (i think 118 was the max i hit before).

Ultra_Nexus

What was your water temp like and what was your oil pressure like? I find it strange that all of a sudden you are having temp issues.

MB

I would definitely relocate the temp sender to the sump. It suffers for radiating heat up by the filter. I think I saw 10 deg c less at the sump.

Joeh

That oil temp is extremely high and very unhealthy, you might have low oil pressure.

Irish TuneR

Water was fine, no issues but i did install a Spoon ECU, rad fan switch and thermostat. Idle oil pressure was a little down to 25-30psi when i came back into the pit after the high temps. It was fine after it cooled, ill have to check the highest pressure it achieved on track when i get home.

I have a Defi one installed, just need to get the 60mm SoS A pillar guage pod. I'm not sure the 52mm one i have can be cut to fit them? I also have a Toda exhaust manifold installed now, i guess that may increase heat in the sensor since they're so close. I'll be wrapping that one of these days.

Irish TuneR

It only hit it once and i did a cool down lap once i noticed, bit worried now.

MB

Wouldnt worry too much. The S can easily do 20 plus minute sessions as standard.

Check your pressure and relocate the sender.

Joeh

As MB has mentioned, see if re-locating makes any difference.

If you're still seeing these figures - It might be the oil breaking down at high temps.


Have you got any other kind of oil to use? If not, might be worth trying 5w40 Fuchs Titan Pro S or something with a good cSt.

VTECMACHINE

Seems as if you guys are against oil coolers? Any reason why?

In regards to oil - I've always used Royal Purple 10W-40 for track. Swear by it and will never use anything else.

Toms1989

I see no issue with an oil cooler myself, providing it's a thermostatic setup.

You don't want it boiling over