FWIW, my BJ8 does not do what is described below. Nor does my E-Type.
Starts right up regardless of the time from shutoff to re-start.
Regards
Tom
> [Original Message]
> From: Earl Kagna <kags@shaw.ca>
> To: James Shope <healeymanjim@JoiMail.com>; Healey List
<healeys@autox.team.net>
> Date: 4/28/04 1:37:37 PM
> Subject: Re: 100 car problem
>
> Jim:
>
> I'm not completely certain, but the Healey sounds pretty normal to me.
>
> It has been my experience that most Healeys (and many other British cars!)
> have the 'heat-soak' problem that you describe - I know my Healeys both
do,
> as did our now sold HS4 equipped MGB.
>
> Assuming all ignition / carburation adjustments are correct or very close,
> when the engine is shut off, particularly in hot weather, heat soak will
> expand the fuel in the float bowls a short while after shut off - this can
> take a couple of minutes or so. If the engine is restarted immediately -
no
> apparent problem, same thing if it sits for 20 - 30 minutes or more and
> begins to cool a bit.
>
> If the restart is done in, say, 5 - 15 minutes give or take, heat soak has
> expanded the fuel in the bowls, and the engine is in an immediate but
> momentary rich, 'blubery' condition, until cooler fuel makes it's way into
> the system, and a bit of air is moving through the engine bay. That heat
> soaked fuel actually percolates from one or both of the jets momentarily -
> that's what causes the rough running.
>
> If your friend/customer says that the condition was not present before,
I'd
> be willing to bet that the carb and/or ignition settings were off a bit,
> enough to possibly mask the condition. If the cold start and driveaway is
> now good, and the car runs well at cruise and under load, ( and there are
no
> fuel leaks or carb venting problems), I'd have to say that you've probably
> got it about as good as it's going to get.
>
> Finicky cars, aren't they!
>
> Earl Kagna
> Victoria, B.C.
> BT7 tri-carb
> BJ8
>
>
>
> ----- Original Message -----
> From: "James Shope" <healeymanjim@JoiMail.com>
> To: "healeys" <healeys@autox.team.net>
> Sent: Wednesday, April 28, 2004 8:14 AM
> Subject: 100 car problem
>
>
> thanks for all the help. checked out the vent system yesterday. smoothed
> off
> the nut which had corrosion and made sure system was venting. it started
> perfectly and i drove it around until heated up to about 170-180 on gauge.
> once shut off it will start smoothly if it sits for just a minute or two.
> problem comes in when let to sit for 5-15 minutes in direct sun. if
allowed
> to sit longer, it starts smoothly, which tells me the heat has evaporated
> all
> excess fuel. i have not noticed any fuel streaming out of manifolds, and
> neither my moss catalog or manual show any kind of drains like on my bj8.
i
> do not understand how the fuel is getting into the engine if it has proper
> venting to allow for expansion of the fuel. maybe a louvered hood is the
> answer but she says she did not have this problem in the past so i am at a
> loss to decipher the problem. oh well, back to the drawing board.
> healeymanjim
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