[Healeys] SU slow run valve or open throttle coninued

[Ken]

That sounds better yet. Just a tee at the power brake hose.KenSent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------From: WILLIAM B LAWRENCE <ynotink at msn.com> Date: 7/7/24  11:02 PM  (GMT-08:00) To: Michael Salter via Healeys <healeys at autox.team.net>, goldengt <goldengt at cal.net>, Michael Salter <michaelsalter at gmail.com> Subject: Re: [Healeys] SU slow run valve or open throttle coninued 



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> on behalf of Michael Salter via Healeys <healeys at autox.team.net>
Sent: Sunday, July 7, 2024 10:01 PM
To: goldengt <goldengt at cal.net>
Cc: AustinHealeylist <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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