Originally posted by LBVSVT:
My opinion - loose the Autolites if you've got any hesitation/bucking before trying anything else. With my engine, the 3 plugs close to the firewall gave me the problem.



The Autolites are the OEM equivalent (Motorcrafts are just rebranded Autolites), while I've heard more than a few reports of major problems with the Bosch plugs. I would never recommend anything above the Autolite or Motorcraft plugs.

My Sport ran A1 with Splitfires (i.e. marketing hype junk) for three months until I developed a hesitation at high loads. I swapped them for the Autolites two years ago. I also had Bosch wires which wore out after one year and were replaced with OEM. Other than needing a UIM cleaning, that car hasn't run stronger since I bought it 40000 miles ago.

I know I'm raining on your parade, but please don't take it the wrong way. It's possible that you may have had some bunk plugs and the Bosch's, being new, are performing much better. Hopefully you will be one of those people who have had good luck with the +4s.

Beer is my Gatorade. Hooray Beer. '98 "Sport" Pacific Green '98 E0 SVT Silver Frost Pictures