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Old 06-06-2013, 03:39 PM
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dodge dude94 dodge dude94 is offline
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Join Date: Jun 2012
Location: East Texas
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Default Re: What Octane Do You Use?

Originally Posted by scotto- View Post
In my 212cc with 12.5:1 compression I'm running VP 110 octane and it's just purrrrfect. In my 99cc with 8.5:1 compression I'm running 100 octane pump gas and it doesn't seem to be hurting it any.

As a rule, you only need high octane if you have a high compression engine.

Adding a little nitro-methane to your fuel on the other hand.........

Or NOS Or a turbo! Supercharger anyone?
Dayum. That's hella better than my truck! No wonder you're so fast.

I use 91 as that's all we buy. The chainsaw and powerhead for the trimmer and cultivator both require 91 octane, so we just buy all 91 for all the small engines. In other news, what IS the average compression ratio on these 66cc engines?
2 WHEELS: '11 Huffy Good Vibrations, '11 Skyhawk GT5, 44t, CNSV2, NGK BPR7HIX, Bosch wire, shutupexhaust, 26x1.75kevlar tires, Tektro C230's, new stupid Bell chain
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