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autolite ar72

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65eglide
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autolite ar72

#1

Post by 65eglide » Sun May 12, 2013 8:11 pm

anyone used this plug in place of the champion j12yc
advanced auto crossed ref this plug

since no one seems to carry the champion

napa only carries the 85, but the cross ref on that is xs85



1950Panhead
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Re: autolite ar72

#2

Post by 1950Panhead » Sun May 12, 2013 9:52 pm

AR72 is Autolites version of the J12YC.
Have you driven a Ford lately?
Jerry

65eglide
Posts: 139
Joined: Sat Oct 10, 2009 2:29 pm
Bikes: 65 fl
2000 ultra
98 sporty
98 heritage classic
Location: mass

Re: autolite ar72

#3

Post by 65eglide » Sun May 12, 2013 10:33 pm

Ha Ha... I've had many fords, but never again after the last one
I'm trying the 85 plugs now, cranking but no start.. I thinks it's a fuel problem...well see

1950Panhead
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Re: autolite ar72

#4

Post by 1950Panhead » Sun May 12, 2013 10:58 pm

If all else fails ... http://www.ebay.com/itm/LOT-OF-10-CHAMP ... 0579093236" onclick="window.open(this.href);return false;
Iridium? Your wallet and pan may be suffering from new fangled technology.
Jerry

Hauula Pan
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Re: autolite ar72

#5

Post by Hauula Pan » Mon May 13, 2013 12:53 am

Not trying to start a huge debate here, I'm just tossing in my opinion but I say forget all the platinum, iridium, & other fancy plugs, nothing beats a nice hardy copper core... Also I'm pretty sure the 4275 is Autolite's equivalent to the J12YC.

58flh
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Re: autolite ar72

#6

Post by 58flh » Mon May 13, 2013 11:54 am

All plugs have thier place!---be it plat.copper, Iridium!--its all good when aplied to the proper fuels that they burn!--We burn Gas,-any autolite-42#short reah is good,also any AC-crossover is good!,--I just stay away from Champions--the reason is not that they dont work!-(they work just fine)-but are a VERY fragile plug!--grab 1-& about 6different manufacturers & smash em!--(you will see that thin insulater I have been talking about!)As far as Iridum plugs its overkill for a Pan!--or is it?--I bet in very cold winters there going to love these plugs!--Higher elevations,where winters are hard & oil-line freezes from condensation while you went steelhead fishing for a few!--This is where Iridiun will shine, my thinking anyway!---Yes its tehno-bull,& I wont run them ,but any plug that sits all night at 20-degrees & is at OPERATING-TEMP as soon as the points break--does raise an eyebrow!.--For most of us its not needed!--Hell I getaway with bosch-at Salmon-runs every year!--& its pretty dam cold in late september in Pulaski, NY,.-----Richie

KELD
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Re: autolite ar72

#7

Post by KELD » Sat May 18, 2013 8:54 pm

I'm a new fan of copper core plugs and copper core leads with my Morris Mag. Just seems to work best for me.

james
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1952 FL
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Re: autolite ar72

#8

Post by james » Sun May 19, 2013 1:01 am

I tried the Champion J12YC, Harley plug 3, 4, 3-4, NGK, Bosch, AC and Autolite 4275 Plugs. I have a pile of plugs that i don't need.
For me the Autolite works best, easier starting than the rest. Run's fine, clean burn. It works for me.

Jim

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