Hi Kevin,
Yes, the RV-11YC is one range coler than the RV-12YC. I'd double check
the numbers, though. I'm almost positive that the stock plug for your truck
is the RC-12YC. Later trucks, starting in '97 I think, use the RC-12LC4.
RC-11YC or RC-11LC4 would be one range colder.
Doug Myers
-------------
'99 Dakota RC/SB 5.2L/5-speed/3.92SG
K&N Gen II, B&F Billet TB, Hughes Stage 1 Intake, MP cam/lifters,
MP headers, MP catback, MP plug wires, Accel Supercoil, 180 T-stat,
Custom Computer by Ron Zimmer, Centerforce Dual Friction Clutch
""Kevin"" <ksmith@korea.com> wrote in message
news:001201c0ea96$ec6e00c0$05fcf4d3@c7w9g3...
> The RV-12YC is listed as the proper Champion copper plus spark plug for my
> 1995 5.2L Dakota. Would the RV-11YC be considered the one heat range
colder
> plug, just as the autolite 3924, and 3923's are? I do not have access to
non
> platinum autolites here in Korea, so I am stuck with champion's. Thanks
for
> all inputs.
>
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