Last post on Oct 25, 2011 at 12:19 PM
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Pontiac Montana, Van
#1 of 2 Which AC Delco plugs in a 1999 Montana
Oct 23, 2011 (4:47 pm)
Several forums say use AC Delco plugs to prevent misfiring etc. 2 AC Delco plugs listed. AC 14 regular Rapidfire plug and the AC 41-940 Professional Platinium. The AC 14 plugs are heat range 3 and the AC 41-940 plugs are heat range 4. I guess the 41-940 are hotter.
Engine not burning oil (leaking some). Which ones should I get? Car has 90 K miles and is 12 years old.
#2 of 2 Re: Which AC Delco plugs in a 1999 Montana [bighank1]
Oct 25, 2011 (12:19 pm)
OEM plugs are AC 41-940 See post on these plugs