Curti Posted February 14, 2016 Share Posted February 14, 2016 (edited) I just bought a 898 Auburn and am looking for the correct plugs. Some documentation says C2 another says C4 some says same as Model A Ford. I always thought (maybe wrongly) Model A used C7's. I have these C7's but they say Radio. I don't think too many Model A's came with radios. Any way I am looking for a list of old Champion plugs and the application. Edited February 14, 2016 by Curti (see edit history) Link to comment Share on other sites More sharing options...
auburnseeker Posted February 14, 2016 Share Posted February 14, 2016 I have a book I can bring home from the shop tomorrow if no one else responds that covers 1953 and back through the 20's. I'll post the results tomorrow night. Link to comment Share on other sites More sharing options...
Mark Shaw Posted February 15, 2016 Share Posted February 15, 2016 http://www.sparkplug-crossreference.com/convert/CHAMP_PN/C4 Link to comment Share on other sites More sharing options...
Curti Posted February 15, 2016 Author Share Posted February 15, 2016 Thanks Mark. My concern is not a modern replacement, but the old plugs associated with the old cars. Link to comment Share on other sites More sharing options...
Dave Henderson Posted February 15, 2016 Share Posted February 15, 2016 Here it is verbatum from the horse's mouth; the Champion Spark Plug Company's 1965 info brochure titled "For cars and taxicabs built in the USA 1920-1940". It lists the following; Auburn Old Type No. New Type No. 8-cyl. 1931-1933, and S-19, 125 Hi-Comp Heads 2 W-18 6 & 8-Cyl. Alum. Hds, thru 1936 J6* H-10 *Long Reach. Link to comment Share on other sites More sharing options...
Guest AlCapone Posted February 15, 2016 Share Posted February 15, 2016 Curt. My model A Fords have Champion 3X, a big show plugWayne Link to comment Share on other sites More sharing options...
Curti Posted February 15, 2016 Author Share Posted February 15, 2016 I guess I wasn't clear. If a 1934 - 1936 non supercharged 6 & 8 take a Champ J6 What other cars use the J6 BTW, if a J6 and H10 are placed side by side, the H10 is .0625 longer. Better with the Aluminum heads. Link to comment Share on other sites More sharing options...
Dave Henderson Posted February 15, 2016 Share Posted February 15, 2016 Curti, The only other car using the J6 listed in the previously mentioned Champion brochure is Pierce Arrow, 1936-1938. Link to comment Share on other sites More sharing options...
auburnseeker Posted February 15, 2016 Share Posted February 15, 2016 This might help some. This is my whole champion catalog through 1942. Sorry for the bad pictures but it was in a binder and not too easy to get out. Link to comment Share on other sites More sharing options...
auburnseeker Posted February 15, 2016 Share Posted February 15, 2016 The rest............... Link to comment Share on other sites More sharing options...
Curti Posted February 16, 2016 Author Share Posted February 16, 2016 This is what I am looking for, and more. Thank You Randy !!!!! Link to comment Share on other sites More sharing options...
auburnseeker Posted February 16, 2016 Share Posted February 16, 2016 No problem. I wish I could have scanned it in. Would have come out alot better. Link to comment Share on other sites More sharing options...
Dandy Dave Posted February 16, 2016 Share Posted February 16, 2016 A Champion plug no longer listed, but common in the 20's and 30's is a Commercial #1. 7/8th - 20 thread like a Model A Ford. In fact, I have seen them in Model A Fords. A lot of Tractors, Engines, and Construction Equipment used them back in the day. Dandy Dave! Link to comment Share on other sites More sharing options...
Akstraw Posted February 18, 2016 Share Posted February 18, 2016 Thanks for posting, auburnseeker. The charts were useful to me! Andrew Link to comment Share on other sites More sharing options...
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