je pistons?

[carrerarsr65]

Can I run 10.5 on single plug street motor on 91 gas

[Lapkritis]

Need more info on the setup - intake, exhaust, etc

[hightuned]

Originally Posted by carrerarsr65

Can I run 10.5 on single plug street motor on 91 gas

Asked the same thing the other day, and was told to go with the 9,5's. Looked it up, and to quote Wayne from the "How to build and modify" -For 10:1 or higher compression dual spark is almost a requirement and cyllinders with 98mm or bigger bore typically benifit from dual spark"