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Re: OEM Spark Plug Number - Big Block
[Re: Kudakidd]
#153685
11/19/08 10:57 PM
11/19/08 10:57 PM
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Joined: Jan 2006
Posts: 704
USA
rftroy
super stock
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super stock
Joined: Jan 2006
Posts: 704
USA
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1968:
J-11Y 2642913
J-13Y 2642475
J-14Y 2444870
1970:
Same numbers for Champion plugs, but they also had Chrysler brand spark plugs. Let me know if you want those part numbers.
Bob
AAR 4-speed 3.91, Tor-Red;
70 440 6 pack Roadrunner 4-speed 3.54, Plum Crazy;
68 Formula S conv 383 4-speed 3.23, Electric Blue;
69 Barracuda conv Slant 6 OD4 2.94, 71 B5 Blue;
78 Lil' Red Truck, Red;
70 Challenger S/E. 505 6 pack, Passon 5-speed, 3.55, B7 Blue
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Re: OEM Spark Plug Number - Big Block
[Re: gtx6970]
#153690
11/20/08 09:38 PM
11/20/08 09:38 PM
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Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
Chris2581
master
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master
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
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My Dad said the OEM Champions that were in our '70 383 Road Runner had green marking on them.
Champion was the OEM supplier for the Mopar plugs.I have a few boxes of the Mopar plugs and they have P-34P for a part number on the box.
Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.
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Re: OEM Spark Plug Number - Big Block
[Re: gtx6970]
#153691
11/20/08 09:51 PM
11/20/08 09:51 PM
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Joined: Apr 2003
Posts: 467
Coon Valley, WI
megaparts
mopar
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mopar
Joined: Apr 2003
Posts: 467
Coon Valley, WI
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Quote:
So, what did FACTORY installed plugs have for markings?
Champion ? Mopar ? 34P ?
Bill the factory installed Champion plugs in the motors. Big Blocks would have J11Y's in them when new. The Mopar plugs were just over the counter.
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The 34P also confirmed my question about application. As to who made their plugs? I had always heard that it was Champion.
