Super Jet WHAT Octane!?

[Eric Villeneuve]

I'm running 93-95 on my ski and she is fine. Pump gas is 91 here so I dilute it with race gas. Not sure what my comp is yet haven't tested. Just put my b pipe on it and new head with 35cc domes. Use this to calculate mixing http://www.wallaceracing.com/octane-mix-calc.php


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[Kelby graham]

Even with WOT runs 91 will be enough.

I need to check my compression but I just got a 760 with an Ada head, b pipe, x scream water box, lighten flywheel. Should i run 93? Or non ethanol 90?

 

[Quinc]

I need to check my compression but I just got a 760 with an Ada head, b pipe, x scream water box, lighten flywheel. Should i run 93? Or non ethanol 90?

Which ever is cheaper. Then your last tank of the season go with non-ethanol.

 

[kevbo]

Make sure the top carb adjusters are set rich of peak rpm and dont hold it wide open when the fuel level is low. You can easily go from 100% reliable to a damaged piston with a few air bubbles in the fuel line.

 

[bored&stroked]

200psi on a 760 and 91 octane on my buddies ski for years now.
I mix 25% 100LL with 91 for my ski.

 

[Mdavies_02]

I'm always shocked when people revive old threads. Just coming up on 8 years since last post and someone chimes in. Incredible. I miss this place.

 

[Big Kahuna]

I'm always shocked when people revive old threads. Just coming up on 8 years since last post and someone chimes in. Incredible. I miss this place.

Then don't be a stranger!

 

[Big Kahuna]

I need to check my compression but I just got a 760 with an Ada head, b pipe, x scream water box, lighten flywheel. Should i run 93? Or non ethanol 90?

We don't have any info here to made a comment.

 

[kevbo]

I'm always shocked when people revive old threads. Just coming up on 8 years since last post and someone chimes in. Incredible. I miss this place.

Whats most shocking and incredible is that some people actually learn new things over time!