I layed these back,have not changed CSA of runners,carb pad matched to tapered spacer.1980RS wrote: ↑Fri Dec 03, 2021 6:07 pmDo you think cutting back those long dividers might help that on the SV?steve cowan wrote: ↑Fri Dec 03, 2021 1:51 am 20211024_112044.jpgI am a fan of the 300-25 as well
As per photo the as cast SV blocks off part of the runner,they need work
Want to try on my 383 with my 165cc (186cc) cast iron darts.
My theory is the bigger SV might keep the mach index down slightly to help engine not fall on its face above 6500rpm,but only a theory on my part.