[Healeys] #174 has a running problem

Rohan Marr rohanmarr at mac.com
Mon Jul 20 13:30:07 MDT 2015


Did I miss the final answer?? I have been on the edge of my seat as I am also experiencing very similar issues. Apologies if it was posted as the list & /or my email has been flakey lately.



*******************************
Rohan (aka Aussie)
’56 Longbridge BN4 “Hellouise"

> On Jul 16, 2015, at 5:09 PM, Michael <michael.salter at gmail.com> wrote:
> 
> Well here is what I found.
> The brown wire that runs from the starter solenoid to the "A" terminal of the voltage regulator had come out but was resting on the terminal screw. I re installed that wire and the engine started immediately and seemed to run perfectly on a short 2 mile test drive...I didn't have time to do a prolonged drive before loading and departing for Enclave....
> Do you think I have it?
> 
> Michael S
> BN1 #174
> From: Bob Haskell <mailto:rchaskell at earthlink.net>
> Sent: ‎16/‎07/‎2015 6:00 p.m.
> To: Michael Salter <mailto:michaelsalter at gmail.com>; healeys at autox.team.net <mailto:healeys at autox.team.net>
> Subject: Re: [Healeys] #174 has a running problem
> 
> Intermittent grounding of the coil to cut-off switch wire?
> 
> Bob Haskell
> AHCA 3000 Mk I registrar
> http://www.ciahc.org/registry_3000mk1.php <http://www.ciahc.org/registry_3000mk1.php>
> 
> On 07/16/2015 02:32 PM, Michael Salter wrote:
> > I have done the following;
> >
> > STEPS TAKEN TO FIND RUNNING PROBLEM
> >
> > This car has an original cap, original wires, original NA8 spark plugs,
> > original black coil, original fuel pump. I am determined not to change
> > any of these original parts unless I can confirm definitely that that
> > item is the source of the problems…it a concours issue!!
> >
> > After many short trips 10 – 15 miles etc... the engine started to run
> > very badly after 35 odd miles of a longer test drive on a warm but not
> > hot day after travelling over a few hundred meters of rough road under
> > construction eventually stopping completely as I tried to climb a hill.
> > Sounded to be running on 2 cylinders at times. Backfiring through
> > exhaust… no throttle response.
> >
> > Cranked but would not start..Appeared to have spark at the coil wire..
> >
> > Affer cooling started out again…after 20 odd miles stopped with the same
> > symptoms… pulling choke seemed to make no difference.
> >
> > Could not hear fuelpump ticking but had fuel pressure at the front
> > carb……good spark at coil wire…spark at plugs looked thin …Changed the
> > condenser and the rotor and it started reluctantly and ran well for
> > about 15 miles then stopped again….same symptoms….changed rotor…ran for
> > 2 miles same symptoms…
> >
> > Found “3 cut” washers under the carb float chamber struts which I think
> > could be sealing off the vent slots for the float chambers…
> >
> > Next day, today, I headed out for another extended drive and the car ran
> > perfectly on a similar day for 36 miles then repeated the problem after
> > 36 miles and I just managed to nurse it home another 11 miles….it
> > actually died as I approached our driveway and I coasted in with the
> > ignition turned off.Nothing would make it start.
> >
> > Tested the coil 4.6 ohms with no short to ground. Took off the float
> > chamber lids and both were full to the correct level. The engine cranked
> > but would just not start..
> >
> > After checking everything I could think of I believe that I have found
> > the problem but I don’t have time to do another 36 mile test before
> > loading the car to take to Enclave…
> >
> > What do you think I found?
> >
> >
> > Michael..
> >
> > --
> > /If you can't fix it with a hammer, you've got an electrical problem./
> >
> >
> >
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