Re: [alfa] spark plugs

["Dean W. Cains" <dwc@xxxxxx>]

Jonathan:

Of the Lodge plugs, isn't the 2HL a colder plug than the HL?  That may be 
what cured your detonation problem, but not because they're hotter.

Dean


At 11:33 PM 6/16/2004, you wrote:

> Date: Wed, 16 Jun 2004 17:42:11 -0700
> From: Jonathan Thames <jthames@domain.elided>
> Subject: [alfa] spark plugs
>
>         Joan, it sounds like we had the same experience this week. The Bosch
> Platinum (not plus 4 or whatever) plugs in my 1992 Spider were a year old. I
> put about 5000 mi on the Spider last year. I too do about a 4 mile round
> trip commute to downtown Seattle.
>         I just changed plugs on Monday due to what sounded like poor
> detonation under load. The Bosch plugs were dry, not oil fouled, but they
> were the cruddiest plugs I've ever seen (this is my first Alfa) They looked
> like the tips had been dipped in cocoa power. I'll be interested in what the
> list says.
>         On several listers' advice, I switched to a hotter plug, the Lodge
> 2HL. The poor detonation problems disappeared. Thanks, guys!
>
> Jonathan Thames
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