The 1947 - Present Chevrolet & GMC Truck Message Board Network

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The 1947 - Present Chevrolet & GMC Truck Message Board Network (https://67-72chevytrucks.com/vboard/index.php)

- All 4x4 Tech & Off Roading (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=30)

- - SparkPlugs in a 4x4 (https://67-72chevytrucks.com/vboard/showthread.php?t=326895)

pokethesmot

02-10-2009 10:51 AM

Re: SparkPlugs in a 4x4

i run ac delcos and

TP from Cntl PA

02-10-2009 03:14 PM

Re: SparkPlugs in a 4x4

Wow, never heard a good thing ever about NGK until I read this! We got them in 4 wheelers, dirt bikes, etc and always replace them with something else. They seem to foul easier than other brands.

In ag. tractors we always used AC's or Autolites.........Champions are junk

In cars/trucks its AC or Bosch.

BurnoutNova

02-10-2009 08:15 PM

Re: SparkPlugs in a 4x4

Quote:

Originally Posted by 71 super (Post 3125912)

I really like autolites in motors with compression above stock,I also use them in my 92 softtail as well. With that said I have ac's in both stock motors in my 2wd and 4x4- ac seems to foul out quickly in higher compression engines.

I have AC's in my nova, with 11.5:1 comression, and even to 8,000rpm they work great. Never had a probleom with them fouling unless I flooded the crap out of the motor.

I can see that happening tho if you dont have a good ignition system with enough voltage.

mattpiotr

12-31-2011 10:45 PM

Re: SparkPlugs in a 4x4

Accel Shorty 8198s

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