Thanks for the tip, Dick. The bad news is that I can't get the RN13LYC's here, at least not through my regular venues. Any hints on where to get them? William Edmonton, Canada ----- Original Message ----- From: "Dick Benjamin" <> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Friday, April 25, 2003 9:51 PM Subject: Re: IML: 81-83 EFi Spark plugs > I have always used RN13LYC (don't forget the L!), or Autolite 945s. These > are the closest to the original 68ER plugs, which are no longer available. > The Autolites are getting very scarce also. > > The correct gap is 0.035", not the 0.048" given in the manual. I don't > understand how the core support label could recommend RN12YC - I don't think > that would be correct for any of these cars, except possibly the carburetor > converted ones. The core support label on all the EFI cars I have seen > recommend the 68ER. > > These cars like to be driven. As you know from reading your engine > performance manual, the computer "learns" your driving and engine conditions > with use, and keeps the car close to optimum more of the time, the more you > drive it. > > Dick Benjamin > ----- Original Message ----- > From: "William" <mopar@xxxxxxxxxxxxxxxxxx> > To: <mailing-list@xxxxxxxxxxxxxxxx> > Sent: Thursday, April 25, 2002 7:54 PM > Subject: IML: 81-83 EFi Spark plugs > > > > Hello all, > > I am ready to change out the plugs on my 83 EFI. I bought RN12YC Champions > > to put in it (that is what it says in my FSM and on the rad support), but > I > > found on imperialclub.com that someone recommended RN14LY plugs. I tried > to > > search the archives, as I am sure this has been covered hundreds of times > > before, but it keeps crashing my browser. Should I ditch the RN12YC's and > go > > with the 14YL? What is the difference? I am not looking to open up a > debate > > of which brand is better, I have my reasons for using Champs, I just want > to > > get the best one. Any suggestions on gapping? 0.048? The car is running > > better with every mile I put on it for some reason, and I am enjoying the > > car more than I thought I would. Thanks for the input. > > William > > 83 EFI > > Edmonton, Canada > > > > > > > >