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What autolite spark plug for 915 headed racecar #671623 04/16/10 05:10 PM 04/16/10 05:10 PM
Joined: Jul 2008 Posts: 51 Cumberland, MD S Supersonic OP member
Supersonic OP member S Joined: Jul 2008 Posts: 51 Cumberland, MD	I have ran the autolite 75 for years, but i cannot find them anywhere. I think they were discontinued, will it be ok to run the 85's or are they too hot?

Re: What autolite spark plug for 915 headed racecar [Re: Supersonic] #671624 04/16/10 05:56 PM 04/16/10 05:56 PM
Joined: Apr 2006 Posts: 3,675 Akron, Ohio U.S.A. roadhazard master
roadhazard master Joined: Apr 2006 Posts: 3,675 Akron, Ohio U.S.A.	I get mine from Advance Auto Parts. You have to order them in. Just ask for #AR75 I run #AR73 and they are about 2.00/ea. Hope this helps

Re: What autolite spark plug for 915 headed racecar [Re: roadhazard] #671625 04/16/10 06:23 PM 04/16/10 06:23 PM
Joined: Feb 2004 Posts: 6,257 acworth / N. georgia - south e... cheapstreetdustr master
cheapstreetdustr master Joined: Feb 2004 Posts: 6,257 acworth / N. georgia - south e...	i like the cad plated ones (silver) vrs teh black oxide ones.... silver is easier to read the tune up.. cheapst 365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured [image][/image]

Re: What autolite spark plug for 915 headed racecar [Re: roadhazard] #671626 04/16/10 07:32 PM 04/16/10 07:32 PM
Joined: Nov 2006 Posts: 637 Kokomo,IN StripeHOG mopar
StripeHOG mopar Joined: Nov 2006 Posts: 637 Kokomo,IN	Quote: I get mine from Advance Auto Parts. You have to order them in. Just ask for #AR75 I run #AR73 and they are about 2.00/ea. Hope this helps do you have to run a short plug for header clearance Andrew Brough D372 1969 Dodge Dart GTS 1.43 60'best 6.82 1/8 98mph "the light came on and I ran out of talent"

Re: What autolite spark plug for 915 headed racecar [Re: Supersonic] #671627 04/17/10 12:22 AM 04/17/10 12:22 AM
Joined: Aug 2003 Posts: 43,176 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,176 Bend,OR USA	85 is a resitor plug that is the same heat range as the 75, if my memory is serving me correctly Have your autoparts store due a cross check on that Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

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