[Healeys] SU slow run valve or open throttle coninued

[Michael Salter]

Totally stopped any run-on.

M

On Mon., Jul. 8, 2024, 11:19 a.m. Bob Spidell, <bspidell at comcast.net> wrote:

> Did it prevent run-on?
>
>
> On 7/7/2024 11:02 PM, WILLIAM B LAWRENCE via Healeys wrote:
>
> The TR 6 (circa 1974) had a solenoid valve that dumped manifold vacuum
> when the ignition switch was turned off.
>
> Bill L awrence
> ------------------------------
> *From:* Healeys <healeys-bounces at autox.team.net>
> <healeys-bounces at autox.team.net> on behalf of Michael Salter via Healeys
> <healeys at autox.team.net> <healeys at autox.team.net>
> *Sent:* Sunday, July 7, 2024 10:01 PM
> *To:* goldengt <goldengt at cal.net> <goldengt at cal.net>
> *Cc:* AustinHealeylist <healeys at autox.team.net> <healeys at autox.team.net>
> *Subject:* Re: [Healeys] SU slow run valve or open throttle coninued
>
> The later model MGB used an "Anti Run-on Valve" which subjected the float
> chambers to manifold vacuum when the key was turned off. I  would think one
> could be installed on a BJ8 without too much difficulty.
>
> M
>
> On Sun., Jul. 7, 2024, 5:11 p.m. Ken Freese via Healeys, <
> healeys at autox.team.net> wrote:
>
> I already do the dump the clutch technique.
> I have found that that the slower the idle the less run on, probably due
> to less fuel present.
> In a round about way my question was probably which idle technique gives
> a leaner mixture? Maybe at a specified idle speed the mixtures are the
> same.
> Since American cars of the 70's used idle solenoids, I am thinking I
> could put on a solenoid for the idle with ignition off. When ignition is
> off the throttle blades go completely closed. Combined with a low idle I
> might be less irritated.
> Ken Freese
> 65 BJ8
>
> On 2024-07-05 11:54, Ken Freese via Healeys wrote:
> > Which technique will minimize dieseling on my BJ8, using the slow run
> > valve for a low idle or closing the slow run valve and using the
> > throttle screw for a low idle? Joe Curto hasn't responded yet.
> > I know an aluminium head would fix the whole high compression problem,
> > but I am not there yet.
> > Thanks,
> > Ken Freese
> > 65 BJ8
>
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