Have you checked the ignition condensor (capacitor), this must be a
temperature related problem.
Also check polarity of coil, the coil can be pretty much ruined by rversed
polarity.
Jan
-----Oorspronkelijk bericht-----
Van: jaltman@altlaw.com <jaltman@altlaw.com>
Aan: 'Triumph List' <triumphs@autox.team.net>
Datum: donderdag 1 oktober 1998 1:38
Onderwerp: Now I am really befuddled
>
>When we last left the story I wasn't idling worth a dang after 15-20
minutes
>on the freeway. I noted it improved when the lights were off. I measured
>the input voltage to the coil and as the engine warmed the voltage dropped.
>It started around 14.2 and slowly dropped to about 12.
>
>So I took an hour off from work and picked up the replacement lifetime
>warranty alternator and bolted the sucker up. Ran GREAT! Got on the
>freeway to go to Court out in the 'burbs, got there, got off, died. Dead!
>Would not restart. Waited four or five minutes, fired right up, drove off,
>but it was a very rough idle, almost dying every light. Got to the
>Courthouse, did my business (an hour or so), came out, fired right up, ran
>GREAT!
>
>Got on the freeway, drove home, exited xway, rolled straight into a gas
>station to get a Coke, dead. Wouldn't restart. Got the Coke, came out,
>fired right up, but rough like before.
>
>I noted that as I drove home on the freeway, as the engine got hotter it
>deepened in sound, and although it was running fine with good acceleration
I
>could sense a gradual degradation.
>
>Ok, now I am really befuddled. Electrical? Carbs? Hot running = richer
>mixture but better spark = better combustion. Or perhaps better
spark=hotter
>engine=too rich mixture at idle?
>
>My kingdom for a decent idle after freeway driving.
>
>GO BRAVES!
>
>Jim Altman jaltman@altlaw.com Illigitimi non Carborundum
>http://www.altlaw.com/metro/jaltman.html 69-TR6#CC28754L W4UCK
>
>
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