> Dave & Bummerzz Wrote:
> -------------------------------------------------------
> > Steven Kwak Wrote:
> > -------------------------------------------------------
> > Andy what exhaust system are you using to be running that low of a
> blow
> > down.
> > Seems to me that must have a pretty low back pressure.
>
> spanish race pipe. You are right, I looked at my port map and it is a
> higher blowdown by about a degree
Yeah it seem a pinch low usually 18 degrees is the starting point for proper blow down on single-port exhaust with a chamber.
Is the top of it flat for 12 or 14mm
Hi Andy