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Which Autolite plug is colder? #1024141 07/01/11 06:12 PM 07/01/11 06:12 PM
Joined: Aug 2009 Posts: 2,076 Mooresburg, Tn ' '72CudaRacer OP top fuel
'72CudaRacer OP top fuel ' Joined: Aug 2009 Posts: 2,076 Mooresburg, Tn	AR3910 or AR3924? Only problem with running a too cold of a plug is fouling, Correct? But running too hot of a plug eguals nothing but trouble? Thanks, Brian Dunnigan

Re: Which Autolite plug is colder? [Re: '72CudaRacer] #1024142 07/01/11 06:28 PM 07/01/11 06:28 PM
Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard... mopar65 master
mopar65 master Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard...	the auto lite chart i have shows the AR3924 as the hotest plug. Mopar65 3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727 10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come... ( SGT Miller) Proudly served 12 years in the US ARMY RESERVES support our troops

Re: Which Autolite plug is colder? [Re: mopar65] #1024143 07/01/11 06:36 PM 07/01/11 06:36 PM
Joined: Sep 2009 Posts: 2,325 Clinton Twp... north of Deetro... L Labratt Good Ol Randy B!
Labratt Good Ol Randy B! L Joined: Sep 2009 Posts: 2,325 Clinton Twp... north of Deetro...	Bobby..I run the AR3924 plug in my GTX. Eddy heads with 10.25 compression. Is there a BETTER heat range for street driving that you're aware of? THANKS!

Re: Which Autolite plug is colder? [Re: Labratt] #1024144 07/01/11 06:50 PM 07/01/11 06:50 PM
Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard... mopar65 master
mopar65 master Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard...	Quote: Bobby..I run the AR3924 plug in my GTX. Eddy heads with 10.25 compression. Is there a BETTER heat range for street driving that you're aware of? THANKS! Randy here is the chart i have. but it is the race plug chart. heading out the door to go fishing. but i am sure somebody smarter than me can recomend a plug for you. thanks Bobby 6709411-700.jpg (6848 downloads) 3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727 10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come... ( SGT Miller) Proudly served 12 years in the US ARMY RESERVES support our troops

Re: Which Autolite plug is colder? [Re: mopar65] #1024145 07/01/11 06:51 PM 07/01/11 06:51 PM
Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard... mopar65 master
mopar65 master Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard...	here is the conversion chart i have. thanks Bobby 6709413-701.jpg (3271 downloads) 3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727 10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come... ( SGT Miller) Proudly served 12 years in the US ARMY RESERVES support our troops

Re: Which Autolite plug is colder? [Re: mopar65] #1024146 07/01/11 06:53 PM 07/01/11 06:53 PM
Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard... mopar65 master
mopar65 master Joined: Jan 2004 Posts: 3,840 Central Missouri Fort Leonard...	randy i am running a NGK R5671A-7 in my aluminum headed 11.1 440.thanks Bobby 3520 pound race ready 1973 Street/Strip Dodge Dart - Stock stroke 440/727 10.49 @ 125.0 on 93 pump gas & ET Street Radials. More to come... ( SGT Miller) Proudly served 12 years in the US ARMY RESERVES support our troops

Re: Which Autolite plug is colder? [Re: mopar65] #1024147 07/01/11 08:31 PM 07/01/11 08:31 PM
Joined: Jan 2003 Posts: 21,132 Niles , Ohio T therocks oh wait.but hey.lets see.oh yeah.
therocks oh wait.but hey.lets see.oh yeah. T Joined: Jan 2003 Posts: 21,132 Niles , Ohio	I run NGK R5671A-8s in my Stealth headed 12.5 440.Been in 3 years and no problems.Street and strip.Rocky Chrysler Firepower

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