> Thomas TPRF Wrote:
> -------------------------------------------------------
> > Buddy Shirey Wrote:
>
> > -------------------------------------------------------
>
> >
>
> > Current jets are 90 main 43 idle and needle at richest position
>
> >
>
> ..........
>
> > I just went to a 90 and now it's topping out closer to 370. Still too
>
> > hot for my liking considering my cylinder is made of aluminum. My
> setup
>
> > before was never getting above 300 but I've changed a lot of things
>
> > since then.
>
> >
>
> > I've got a bit of a bog at 2/3 throttle but I'll probably get that
>
> > worked out playing with the needle once I've found my main jet.
>
> >
>
> > Temps are definitely dropping immediately while I'm at idle. So I'm
>
> > pretty sure I'm good there.
>
> >
>
> > So who's got an idea of where to go from here.
>
> >
>
> > It's 4 stroking a little at WOT so I'm going to try an 88 main next
> and
>
> > see where that gets me.
>
> My $0.02, if I was running with that data I’d drop the needle back to
> center position and upjet a hair rather than down jetting.
>
> Everybody always says 85-90 jet for PHBGs on mildly built 70s but at sea
> level that’s always left me on the lean side.
I'll probably try that this afternoon once I get off work. Its definitely 4ting at 2/3-3/4 throttle. It 4ts a little at WOT but its not immediate. Usually happens after I've been on a straightaway wide open for a few minutes. It's hard to tell if it's the needle position or main jet causing it.