I have used NGK's for many years in many import cars with great success.
Maybe V-power at one stage colder?
I am using the Autolites 3923 in my 98 5.2 auto CC. Seems to run fine.
How do you know when a plug is "Too Lean"?
----- Original Message -----
From: "Bernd D. Ratsch" <bernd@texas.net>
To: <dakota-truck@buffnet.net>
Sent: Thursday, July 26, 2001 5:40 PM
Subject: RE: DML: Autolite 3923 spark plugs/Atten Bernd>
> I had tried the NGK's a little while back and found the same
> problem...too lean. I've run the following plugs:
>
> (1) Autolite 5224
> (2) Autolite 3923
> (3) Autolite 3922
> (4) NGK "V-Power" (OEM Replacements)
> (5) SplitFire (Regular...no platinum)
> (6) AC Delco
> (7) AC Delco "Rapid Fire"
> (8) Champion Truck Plug
>
> Out of all of them (Normally aspirated, Nitroused, or Blown), the
> Autolite 3923's are #1 and the SplitFires are #2.
>
> - Bernd
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