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slck6t9
03-29-2009, 07:34 AM
Hey guys, just wondering what the consensus is on what brand of spark plugs to use?

Thanks

MonzaRacer
03-29-2009, 11:25 AM
What engine, if its GM I prefer the AC Delcos, Fords Motorcraft, Chryslers well AC or Motorcraft will work in most any engine.
I like ACs as they will show blistering before any other plug and have several types.
Denso Iridiums are good also.
More info on engine and typical use.

68sixspeed
03-29-2009, 01:11 PM
fyi... autolite is motocraft. Just different printing. They also make some AC plugs since Delphi shut GM down years back.

moreHP
03-29-2009, 03:30 PM
I use AC. They work fine and I dont really buy into the whole fancy spark plug market.

Restomod
03-29-2009, 04:36 PM
I like Autolites, never had any life out of the fancy $$ plugs.

BA.
03-29-2009, 05:34 PM
In my old 327 which had typical go-fast parts and cam, I had my best luck with the Autolites, next was Champion.

For some reason, I could never get the AC Delco's to last as long in that motor.

slck6t9
03-29-2009, 06:59 PM
Thanks for the suggestion's. As for the motor, it will be my 383 stroker that's driven every weekend. I currently use AC Delco but was wondering if there was better.

Thanks

Pro Stock
04-08-2009, 03:42 PM
We dyno a lot of unleaded SB and BB Chevy engines and Pro Stock GM engines on racing fuel and the Autolite plugs have been flawless.

Dale

megaladon6
04-08-2009, 04:05 PM
NGK's work well for me. (Bosch if it's a german car)

MonzaRacer
04-08-2009, 08:17 PM
FYI AUTOLITES ARE JUNK, RAN THEM THEN WE PUT CAR BACK WITH STOCK MOTORCRAFT.
Strange missfire went away and quiit throwing codes.
I have yet to have good luck with any Autolites.