Ester/Dino/Synthetic Oil - Your usage.

nogoodname · 05-28-2009, 08:13 AM

Thinner oil such as synthetics are useful here because the engine starts easier in the winters.

wstar · 05-28-2009, 08:57 AM

Well I can't speak for travis, but I imagine he's going 15W50 because it's not a daily driver, and sees hard track use when it is driven. The 15W50 won't be quite as ideal on cold start as say 5W30 or other lighter weights, but it's going to stand up to high-temp abuse better. The whole cold start protection thing matters more to us daily drivers since we do a lot more starts-per-mile, so to speak.

travisjb · 05-28-2009, 10:30 AM

Quote:

Originally Posted by wstar

Well I can't speak for travis, but I imagine he's going 15W50 because it's not a daily driver, and sees hard track use when it is driven. The 15W50 won't be quite as ideal on cold start as say 5W30 or other lighter weights, but it's going to stand up to high-temp abuse better. The whole cold start protection thing matters more to us daily drivers since we do a lot more starts-per-mile, so to speak.

You nailed it... I'm in Arizona, cold starts are rare... This is 90% track car... Once oil is up to temperature, my understanding is that even 15w50 acts 'thin'... also despite the viscosity, it is rated at 0% shear loss... Finally, I'm relying in part on the recommendation of other racers in AZ

Modshack · 05-28-2009, 11:03 AM

Quote:

Originally Posted by travisjb

You nailed it... I'm in Arizona, cold starts are rare... This is 90% track car... Once oil is up to temperature, my understanding is that even 15w50 acts 'thin'... also despite the viscosity, it is rated at 0% shear loss... Finally, I'm relying in part on the recommendation of other racers in AZ

Yup...

Here's some info to back that up:

05-28-2009, 08:57 AM	#2 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3595	Well I can't speak for travis, but I imagine he's going 15W50 because it's not a daily driver, and sees hard track use when it is driven. The 15W50 won't be quite as ideal on cold start as say 5W30 or other lighter weights, but it's going to stand up to high-temp abuse better. The whole cold start protection thing matters more to us daily drivers since we do a lot more starts-per-mile, so to speak. __________________ 7AT Track Car! Journal thread / Car setup details

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05-28-2009, 08:13 AM	#1 (permalink)
nogoodname Lifetime Premium Join Date: Nov 2008 Location: Montreal Posts: 22,357 Drives: E46 M3 Rep Power: 1765	Thinner oil such as synthetics are useful here because the engine starts easier in the winters.