I've decided to change my oil preference for this coming summer and would like to know what viscosity of Red Line oil people are using who track their car and use it as a daily driver. I'm doing 7 track days and 6 autocrosses this summer. Should I stick with 5w-30 or move to 10w-40.

I've read everything on the red line site, but would like opinions here.

Thanks

 

bump....RED LINE YAHHHHH!!!

 

Is 10W-40 availible as a Synthetic yet?

 

Yes, sure is

 

using a stiffer oil will cost you power. You may want to up your oil change freqency (after every track event or two). Also, if you do some warm up laps, the winter number doesn't really matter. I hope you're not going to run hard cold.

Matt

 

This is good advice for all esp. if you are running a pulley: I remember hearing a few with oil temp guages saying the temps actually got well past comfort levels, (I heard the word boil mentioned) and they all went and changed the oil in the following week. At the very least checking regularly after each session (let it cool down first) and paying particular attention to color and viscosity not just levels.

 

I'd stay with 5w30 and change every 5-8K miles but, really no reason you couldn't extend that to 10K miles. While still under warranty, I change my oil with Redline mid-point in the required dealer service. ie; dealer service 15K miles, I change oil and filter 7.5k miles the have dealer change at 15k using my Redline 5w30 oil. Actually, my dealer agrees that you can't get much better than Redline. Just looked at your mods and agree that you may want to change oil after every two track days. I'd still stay with 5w30.

 

I'm in Hawaii so cold isn't issue- I've run redline 10-40 for few years with a dozen or so track days annually. Don't know why-- but i just feel better using 10-40, rather than 10/30 or 5/30.

 

10-40 is OK. It will just cost you some whp.