Rick,
I would suggest that you look closely at replacing your plug wires if
you where seeing a light show before the the new needles it's only a
matter of time before the wires degrade enough to crossfire even with
the new richer needles.
Doug Hamilton
1960 Triumph TR3A
1963 Fiat Cabriolet
1967 Chev C/10
>Date: Wed, 17 Sep 2003 19:11:48 -0400
>From: "rstirb2@townisp.com" <rstirb2@townisp.com>
>Subject: summary: ZS needles?
>
>Hi List,
> I called carb guru Joe Curto, and explained the problem my car was
>having. Basically, hard starting, hard to launch, rough idle, hot running.
>I suspected a lean mixture. The plugs read a little lean, too. Joe was
>not surprised. He claims that gasoline is formulated leaner now, than when
>these cars were built.
> Joe sent me two ZS B1E needles as were originally used in Jags. Before
>I installed them, I measured their diameter about 1/4" up from the point,
>and they are .010" skinnier than the stock needles.
> I installed them at a nominal setting of 1 and 1/2 turns from stop.
>Right away, the car ran better in all respects!
> Strange thing is, for a long time I was chasing an electrical arching
>problem on the spark plug wires and plugs at idle (you could see it at
>night). That has greatly diminished also. I suppose this is a case of an
>electrical problem being a fuel problem!
> I understand Ted Schumacher also has these needles.
> Thanks for the tip, Blake.
> Regards, Rick 1973 TR6 CF2570U
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