I'm curious as to what would cause the difference in performance in the two
engines. On the Durango board they've had the same thing as what I've seen
here. People posting to both extremes...people that love them and claim
higher milage, and people complaining on loss of power and milage. This is
strange. For anyone interested here is a link to the Bosch Customer Service
E-mail Site. They were very prompt in replying to me.
http://www.bosch.de/de_e/kontakt/kontakt.htm
Autozone also had no Idea which plug to give me and where very curious where
I got a part number for my truck from. I went strait to Bosch for the part
number. Let me know what they say Tom.
Later Fellas,
Steve
98 R/T
----------------------------------------------------------------------------
----------------------------------------------------------------------------
>Date: Sun, 07 Feb 1999 15:12:15 -0500
>From: fawcett@uism.bu.edu
>Subject: Re: DML: Got E-mail From Bosch
>
>Hmmmmmm... This getting interesting! After I read your note I ran out and
>drove my truck up the really big hill that the Bosch +4's choked on (I
>didn't get a chance yesterday after I installed the Champion Truck plugs).
>I have a '98 318 V8 4x4 CC with the 44RE automatic transmission.
>
>To be sure I took two passes up the hill, both were with the cruise and O/D
>on with one pass at around 60-65 mph, ~1,600-1,800rpm, and the other around
>70-75 mph, ~2,000-2,200 rpm. The engine responded perfectly during both
>tests. No hesitation, loss of power or even a hint of engine knock or
>detonation. With the +4's I experienced heavy spark knock, possible
>detonation, engine stumble/power loss and the MIL (check engine light)
>began a fast blink sequence... My understanding is that a fast blink
>indicates a "real" problem is being sensed and is referred to as
>"limp-in-mode" by Chrysler.
>
>When the parts store (Autozone) manager said they weren't right for my
>truck I didn't even think to question it based on my (and one others)
>experience. I do know that there is no application listed on Autozones
>computer system (he tried to look it up like the first guy did and found
>nothing).
>
>Perhaps the larger R/T engine can handle the lower performance of these
>plugs under load??? Do you have any steep and long highway grades in your
>area to see if your engine reacts the same under load? I'd say the grade I
>drove on rises over the better part of 3/4's of a mile.... Maybe even a
>mile.
>
>What's the email address for Bosch? Perhaps they can explain what happened
>with my specific application?
>
>Thanks for the note.
>
>Tom
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