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#1
01-11-2014, 12:38 PM
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Autolite 85
I like these plugs better than AC even if I get crap from the counter guys saying i'm running Ford plugs in a GM.
What is one step cooler than this plug and still has a resistor? This is for an iron head. |
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#2
01-11-2014, 12:45 PM
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I agree with Autolite plugs. Instead of thinking of them as Ford plugs, just think of them as the plugs Ford chose to use.
I believe the next colder plug is an 84, but I'm not positive. Maybe someone else knows for sure.
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Paul Carter Carter Cryogenics www.cartercryo.com 520-409-7236 Koerner Racing Engines You killed it, We build it! 520-294-5758 64 GTO, under re-construction, 412 CID, also under construction. 87 S-10 Pickup, 321,000 miles 99Monte Carlo, 293,000 miles 86 Bronco, 218,000 miles |
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#3
01-11-2014, 01:03 PM
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they don't make 84 plugs anymore.
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#4
01-11-2014, 01:14 PM
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I prefer the AC plugs. They re-light better if fuel fouled. IMO.
Then ask the counterman what he drives. I'll bet 20 bucks it's a piece of junk. And to kiss your LWA$$
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Bull Nose Formula-461, 6x-4, Q-jet, HEI, TH400, 8.5 3.08, superslowjunk |
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#5
01-11-2014, 02:26 PM
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Autolite isn't Ford anymore. Motorcraft is.
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The difference between inlaws and outlaws? Outlaws are wanted |
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#6
01-11-2014, 04:11 PM
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Mine has a better idle with the Autolite plugs.
__________________
 frittering and wasting the hours in an off hand way.... 1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
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#7
01-11-2014, 05:26 PM
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I've always liked Autolites as well. I think the next one colder is a 75. Used to use those in my race motor with iron heads.
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" Darksiders Rule "
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#8
01-11-2014, 06:50 PM
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Your gonna be hard pressed to find a "cooler" projected tip/resistor plug in a 3/8" reach/gasket plug like this nowadays.
Closest I've found is the Autolite 303. It's a non-projected tip/resistor plug one or so steps colder than stock. Autolite and AC both have eliminated a bunch of older plug no.s lately,and these 3/8" reach plugs were'nt the hottest sellers to begin with,so they got cut down to the minimum application coverage. Autolite 73/74/75 have all been dumped IIRC. AC cut the even part no.s outta their line-up (R42S/R44S/etc). Denso or NGK might be the best prospects for a plug like this. But even they're dropped some no.s as well. Denso WPR20-U might be the closest candidate I can find quickly. Otherwise you'll be looking @ projected tip/non-resistor racing plugs for the most part. FWIW ~ HTH Bret P. |
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