FOT
Just for info I have ruled out the condenser. I also tried another coil and
the misfire was gone, but I then reconnected the original coil and misfire
would not return. Intermittent problems are the worst! I have had to stop
running the engine as my neighbours are not very tolerant with my loud
spitty. I will try it again tomorrow from cold as this is the most reliable
way to get the misfire to occur.
Will keep you posted
Russ
Http://www.btinternet.com/~rjmunns/
-----Original Message-----
From: Russell Munns [SMTP:rjmunns@btinternet.com]
Sent: 21 August 2001 10:53
To: fot@autox.team.net
Subject: RE: Spitfire Intermittent Misfire
I have not had a chance to check anything yet but I have purchased a new
dissy cap, rotor arm, and condenser. I am beginning to think its the
condenser but I will find out soon enough as I plan to do some
investigative work this evening. I have received some totally different
suggestions which I will try should this fail.
Russ
Http://www.btinternet.com/~rjmunns/
-----Original Message-----
From: William G Rosenbach [SMTP:wgrosenbach@juno.com]
Sent: 20 August 2001 23:27
To: rjmunns@btinternet.com
Cc: fot@autox.team.net
Subject: Re: Spitfire Intermittent Misfire
Russ,
Something to consider is the fuse that supplies the ignition. The glass
tube type of fuse can look perfect yet pass electricity when it decides
to, and not when the mood strikes.. This can cause no end of grief. It is
a cheap test and worth checking first.
Bill
70 GT-6+
On Mon, 20 Aug 2001 19:31:05 +0100 Russell <rjmunns@btinternet.com>
writes:
> Please help
>
> I was Racing my Spitfire in the TSSC championship at Snetterton UK
> yesterday when a strange misfire occurred on the green flag lap,
> which
> nearly caused me to miss the start. I turned the engine off an
> re-started
> it and the misfire cleared. I then raced without any problems at
> all.
>
> I had experienced the same problem once before when running the day
> before
> a race. The engine was ticking over and was up to temperature, when
> it
> slowly died. I could not get the engine revs to increase with the
> throttle
> and the engine died. When I re-started the misfire had gone. I have
> never
> had a misfire when racing!
>
> Why would the engine misfire then die after ticking over, only to
> restart
> and run trouble free?
>
> The following outlines my thinking so far.
>
> 1: Not fuel as I would have problems during race rpm
> 2: Not fouling plugs as the engine would not restart as easily as it
> does
> 3: Must be electrical because of the way it clears after restarting
> 4: This leaves the following electrical items
> A: Coil
> B: Condenser
> C: Cracked Distributor Cap
> D: Rev Limiter malfunction
>
> For info, I run a 1500CC engine with points and Lucas distributor
> and Lucas
> Sport coil.
>
> Please help if you can. I think one of these will solve the problem
> but I
> want to understand what is happening as well.
>
> Russ
> Http://www.btinternet.com/~rjmunns/
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