Resistor, suppressor...they're one in the same when you're talking spark plugs (and wires). A resistor plug suppresses those pesky sparking noises you hear on your radio.
-Mitch
> WHat Pep Boys did you go to, I tried to get these plugs at both the Seekonk
> and E. Providence stores... I even tried auto Zone before I finally found
> them at Replacement.. and I hate Replacement...
>
> Chris
>
>
> > I just received an email asking me what type of 3923's to use, resistor
> >suppressor. I never knew that there was a difference other than copper or
> >platinum. Could the resistor's be copper and the suppressor's be platinum
> >or vice versa?
> > When I purchased mine at PepBoys, I just asked for 3923's, but I'm not
> >sure which ones I got. Now, after the email, I'm really curious about it ;-)
> >
> >Thanks,
> >Chuck Robbins
> >'99 Dakota Sport
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