I am getting a Pro Design head, and I was wondering if I can run 91 octane pump gas with 19cc domes?? A friend told me I could? What do you think??

Any help is greatly appreciated,

thanx,
JLew[img]i/expressions/face-icon-small-smile.gif[/img][img]i/expressions/face-icon-small-wink.gif[/img][img]i/expressions/face-icon-small-confused.gif[/img]

 

NO, maybe with 21cc domes!!!!!

 

It depends on your altitude. It looks like you are in california, so probably not. But I am at 6400 ft and run 18cc domes on 91 octane.

Ernie is probably right for your altitude, 21 is probably about it.

Bat

 

My friend is running 19's on 91. I live in North Western Kansas so I don't know the altitude differences, just that it can be done somewhere.[img]i/expressions/face-icon-small-wink.gif[/img]

 

I live in Louisiana so yes we are below sea level and i ran 21cc domes on pump gas but any lower was not a good thing