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Joined: Feb 2009
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Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2009
Posts: 51 |
Hi there grease monkey 123 here
I have a manual that list 46-5 ac plugs for the 235 engine in a 51 chevy.
i have tried to purchased them and can't find them. does someone know what is a good number plug to use. i would like to stay with ac if possible.
any info would be appreciated thanks
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
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AC discontinued the 44-5 and 46-5 spark plugs years ago The present AC 45 is all that is available , I use them in all my cars, and they work fine. ...including in my 1950 that calls for the 46-5.
Gene Schneider
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Joined: Oct 2009
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ChatMaster - 1,000
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ChatMaster - 1,000
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AC46-R is still in part stores. It is just a resister plug and works great. I set mine at .40 with good results.
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Joined: Dec 2010
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ChatMaster - 750
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Ac45 in my 54 ..never a problem
Old cars have always owned me.
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Joined: Feb 2009
Posts: 51
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2009
Posts: 51 |
Thanks for the reply, went to 4 parts stores so far and they didn't stock them.
Have to keep on looking.
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Joined: Jul 2008
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The part number is R45.
Dave
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Joined: May 2005
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ChatMaster - 1,000
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Thanks for the reply, went to 4 parts stores so far and they didn't stock them.
Have to keep on looking. try www.rockauto.com $1.45 each. http://www.rockauto.com 
p.k.
1956 BEL AIR 2 DOOR HARDTOP
I've spent most of my money on Booze,Women and mechanical things. The rest I just Wasted........
Remember , I'm not Always Right. But I'm Never Wrong !
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Feb 2009
Posts: 51
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2009
Posts: 51 |
Hi there,
Thanks to all that took the time to answer my post.
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Joined: Nov 2004
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ChatMaster - 1,000
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ChatMaster - 1,000
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Went to a local parts store, they looked up my 54 235 motor and gave me AC 43s. They work fine too.
Rick
"Never time to do it right the first time, but always time to do it over."
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
The AC 43 is a very cold spark plug. Will gas foul if used for slow driving and a lot of cold starts. Was intended for heavy duty truck hauling.
I am sure they were glad to get rid of them as they were slow sellers even in their day.
Last edited by Chev Nut; 10/09/15 11:11 PM.
Gene Schneider
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Joined: Nov 2001
Posts: 29,863
Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
Joined: Nov 2001
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The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: May 2005
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ChatMaster - 1,000
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ChatMaster - 1,000
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Yep !  Me Two.........
p.k.
1956 BEL AIR 2 DOOR HARDTOP
I've spent most of my money on Booze,Women and mechanical things. The rest I just Wasted........
Remember , I'm not Always Right. But I'm Never Wrong !
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