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race gas and pre mix ?'s
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Posted by: jarredmx

Hey i am rebuilding my 250r and getting some new performance parts i wanna know whats the best kind and ratio of pre mix and where i can get and what race gas is the best for my 250r?

Posted by: kiesta00

well C-12 is a commonly used "race gas" ...i think its around 108 octane. oil is really up to you, I use royal purple mixed at 36:1. Its pretty much your preference of what oil you want to run, different manufacturers have different mix ratios they want you to use...how much compression do you have?

Posted by: Creech52

Ya compression is the big factor in what kind of gas is best. And all race gases are pretty much equal, ive used turbo blue alot and now I run Citgo race fuel, its alot cheaper then VP. It was 4.99 a gal last time I bought it and when I checked prices on VP 5 gal buckets were around $50 for the cheapest stuff so thats $10 a gal. As far as premix goes its pretty much up to you and the oil maker, it could be anywhere from 32:1-50:1. Ive always mixed mine at 32:1 just because thats whats recomended and thats what my friend said he always mixed at. When I get my R motor built Ill probably ask around to see whats the best ratio for my specific needs. My tank says 20:1 on the R and the banshee said 32:1 so It all depends.

Posted by: fireburns99

personally for the oil, i run Maxima Castor 927, mixed at 32:1. The maxima is easy to find, works great, and is reasonably priced.

Posted by: elbine69

quote:
Originally posted by fireburns99
personally for the oil, i run Maxima Castor 927, mixed at 32:1. The maxima is easy to find, works great, and is reasonably priced.

Not to mention that it smells amazing

Posted by: fireburns99

quote:
Originally posted by elbine69
Not to mention that it smells amazing

I forgot to mention that too.