Copper = better performance, shorter lifespan of spark plug
Platinum = less performance, longer lifespan of spark plug
-- Kevin Hoegen 99 Solar Yellow MAGNUM S/T CC http://webpages.charter.net/khoegen Flowmaster 3-chamber Dual outlet Stillen RP w/Dual Hooker Euro tips Quick-D TB/K&N Intake 180 RS T-stat/Taylor wires/Autolite plugs Centerforce II clutch SpeedTweaks IAT adjuster...etc....etc (add your link to my site: http://webpages.charter.net/khoegen/links.html )"Andy Levy" <andylevy@yahoo.com> wrote in message news:3BB0BA16.2F825CEA@yahoo.com... > Autolite 3923s work best on the Magnums, should work well on a pre-mag as well. > > Psychosis wrote: > > > Which spark plugs are better for my 1991 5.2l dak sport? I put bosch > > platinums in it but don't really like em. Are autolites or champions a > > better plug for this truck? If so which part numbers should i get in those? > > > > Also, i found out who the previous owner was and gave them a call. They are > > from a neighboring state and gave me good news. Oil was always changed like > > it was supposed to be, didn't use any oil between changes, has a new > > transfer case under it, all new brakes around the truck, and haven't had any > > problems out of it whatsoever. > > > > Also found out, from dodge dealer, the truck has a 3.92 rearend under it > > also. > > > > Thanks, > > Psychosis > > > > 1991 Dak Sport 4x4 5.2l, auto, 3.92, ac, tow pkg >
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