Thanks to everyone who responded. Consensus seems to be that I have too
much air entering head. I will check throttle cable, leaking (?) intake
manifold, butterfly & seals this weekend. Hope this is all it is. Will
report back.
Thanks, again.
Jim Rogers
San Juan Capistrano, CA
"Robert D. Gardner" wrote:
>
> Jim,
>
> I had a similar problem and found that the throttle cable, at the carb
> end has a little collette on the end of it that fits into a fitting.
> It
> is about 1/4 inch long and is located at the end to cover the shield
> and
> allow the center "wire" to pass in and out. This little collette had
> slipped down and was lodged in its holder, opening the throttle about
> 1/4 inch, enough when out of gear to pull about 4000 rpm. I hope it
> is
> that simple.
>
> Bob in San Diego
>
> Jim Rogers wrote:
>
> > I finished cleaning the metal debris out of the #3 & #4 cylinders
> > this
> > week (see "Sucked into Head" thread), re-installed the head, intake
> > manifold, HIF6 carb & headers. Compression in all 4 cylinders now
> > reads
> > about 160.
> >
> > When I pulled starter, engine started immediately (YEAH!), BUT
> engine
> > immediately revved up to about 4-5,000 rpm and did not stop until I
> > turn
> > key off about 10 seconds later. I had opened choke, but had not
> > touched
> > the throttle at all. Engine is brand new 1380, so I am very
> concerned
> > about running at this rpm until after break-in. Also, smelled HOT;
> > headers were extremely hot to touch even after only running for this
> > short time.
> >
> > Any ideas as to why it revved so high? I've checked my Haynes &
> > Bentley
> > manuals but no good suggestions there, other than fast idle screw on
> > SU
> > carb. Timing & distributor were set by garage that built engine,
> > supposedly specific to this engine, cam, etc. Should I start looking
> > there? Any suggestions or ideas are welcome.
> >
> > Thanks,
> >
> > Jim Rogers
> > San Juan Capistrano, CA
> >
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