What kind of oil do you guys use in your 1000cc sprints? I've heard anything from 10-30 10-40 non synthetic to synthetic to rotella.. how often u change oil also? I was planning 10w-40 conventional oil every 3 races?

I personally use Amsoil 20w50 Advanced Synthetic Motorcycle Oil. But whatever oil brand you choose, you might want to consider a motorcycle type of oil, because your oil is also lubricating a transmission and clutches. I change oil and filter after every fourth night of racing.

Bill

Spectro Golden 4 Semi-synthetic 10w-40; it's what the previous owner recommended, changing about every 4 races as well. I had the motor out and the pan off about mid-season last year and the internals looked like it had just been put together.

Brad penn in the tq but we don't run clutches. Stuff is excellent stays on everything and does very well with alcohol

I've used about all of them over the years, past 10 I guess, been Castrol GTX, 20-50, they told me not to run it tho if I was running a clutch, cause it would make it slip, but in the TQ we don't worry about that, usually change every 4 races, which lately has maybe been twice a year, last year didn't even chg it! Got a new plan up my sleeve, may get to run some more this year, I hope! Bob

I run Joe Gibbs Driven MX oil. It's made for motorcycle engines with wet clutches. I change it every 2 nights

I agree with Bill84, I have only used synthetic motorcycle oils, thus I don't think you will go wrong with any motorcycle synthetic. We change every 4 races as well.

We have always used Valvoline 20w-50 Racing with clutches and without problems. They changed the formula a few years ago and took out some of the zinc. I add it back in now with Lucas additive. The other that does work fine with clutches is Mobil-1. Our 600's have small pans and therefore quantity so we change it every 3-shows.

I use Yamalube 20w-50. Change every 3 nights. Run K&N racing oil filter.

Check out tj racing lubricants, in the 600 i change oil every two shows. Guess after running those big ole modifieds I still have the washout theory pounded in my head.