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I been running 10-30 brad Penn this year, royal purple for several years before with nos, what's suppose to be the Problem?



Synthetic oil is much more resistant to heat and wont burn as easily as conventional oil. Even trace amounts that get by the rings can cause detonation. There have been several threads on the Yellow Bullet about this very subject. I saw a guy make several passes with a Ford at Atlanta dragway that was very fast. I believe it was a drag radial car. He made like 3 passes with the break in oil with no problems. All he did was drain the oil and put in some Royal Purple and hurt it on the first pass with the synthetic oil in it. A lot of poeple chimed in with similar problems and said they dont ever use synthetic oil in a nitrous motor.



That is interesting. I've never seen a thread about this. We've been running Royal Purple on our motor for 4 years now and we have not made a motor only pass in 3 years! Every pass we've made has had at least a 200 shot of nitrous and most passes have had more nitrous than that and we've never hurt a thing. Of course we only put about 20 passes on each oil change. I wonder if maybe those guys didn't have something else right in their tuneup?



Yeah, go on the Bullet and ask what people think about using nitrous with synthetic oil and see what the response is. A lot of guys on there have the fastest cars in the country and there are a lot of grudge cars on there as well. The guy that hurt his motor I believe has the fastest nitrous smallblock in the country. It was a fresh motor and he had made 3 passes on it with regular oil for break in with no issues. All he did was drain it out and put Royal Purple in it and hurt it on the first pass. There was a big thread on the Bullet about it explaining why you should not use synthetic oil on a nitrous motor but Im thinking the Penn oil is only partly synthetic and would be ok. I guess Im about to find out. LOL