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wrong spark plugs or..?
https://www.slantsix.org/forum/viewtopic.php?t=17344		 Page 1 of 1
Author:  Draco_Scaline [ Mon May 01, 2006 8:19 am ]
Post subject:  wrong spark plugs or..?
I have a 68 dodge dart but my engine came out of a 74 duster(suposedly 225).. now the other day I bought 6 NGK v-power plugs for the 74 engine. I took out an old plug and tried to install a new one, but the ratchet just spun..so i tool it back out to look at it in comparison to the old(champion)one..... they are two difrent lengths >.<; even the lengths of where the treads are was different (old one was much longer)..I cheked with ngk's site and said the ones i have are right for 225 3.7L duster 74....so is my engine size wrong or is it difrents in brands or what? :?
Author:  Reed [ Mon May 01, 2006 8:26 am ]
Post subject: 
Did someone change the head to a later one which takes the smaller diameter spark plugs?
Author:  Draco_Scaline [ Mon May 01, 2006 8:38 am ]
Post subject: 
-shrug- I'm not sure... the guy I bought it from did't mention that.. it had elec. distributer, but i put my stock 68 one in with no problem. wating to buy orange box..
Author:  Reed [ Mon May 01, 2006 1:36 pm ]
Post subject: 
Try putting the plugs in the original 68 head. The size difference between the early and late plugs is fairly obvious.
Author:  Jeb [ Tue May 02, 2006 8:44 am ]
Post subject: 
What does your head look like? Does it have the "drool tube" style spark plug holes or the small holes like a V-8?
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