Bagged47deluxe Posted December 26, 2020 Report Share Posted December 26, 2020 Hello, I am new to this group and classic dodges. I recently purchased a 47 deluxe that has the org flat head six in it. I have debated on swapping this motor to a new gen 3 hemi but would love to cruise the car for a summer once I finish the 12 volt wiring swap. My problem is my car runs but when trying to pull out it back fires spit and sputters. Just looking for where to start with the org flat six. Added a few pics so you can see my new toy. Thanks for any help. Quote Link to comment Share on other sites More sharing options...
Sniper Posted December 26, 2020 Report Share Posted December 26, 2020 Well, as a guess, I'd probably go thru the carb and give it a real good cleaning as part of the rebuild. They are pretty simple things, just verify all the adjustments. Quote Link to comment Share on other sites More sharing options...
Bagged47deluxe Posted December 26, 2020 Author Report Share Posted December 26, 2020 29 minutes ago, Sniper said: Well, as a guess, I'd probably go thru the carb and give it a real good cleaning as part of the rebuild. They are pretty simple things, just verify all the adjustments. It has a rebuilt carb on it. Not org to the motor. It looks like a older weber 2 barrel. Quote Link to comment Share on other sites More sharing options...
keithb7 Posted December 26, 2020 Report Share Posted December 26, 2020 Have done anything related to the points yet? Sounds as though you are at least partially through a 12V conversion? At what point during the 12V conversation have you noticed the back firing? Valves set? Compression test results acquired yet? Quote Link to comment Share on other sites More sharing options...
knuckleharley Posted December 26, 2020 Report Share Posted December 26, 2020 You can never go wrong with cleaning ALL the ground wires,hot wires, and contact areas on an old car that has been sitting. Quote Link to comment Share on other sites More sharing options...
Booger Posted December 26, 2020 Report Share Posted December 26, 2020 that thing is a total "turtle" and lowered! Its got promise. for sure points plugs condensor. match cap with distributor. ID plate might be underneath dizzy your at the right place for help. good luck Quote Link to comment Share on other sites More sharing options...
Bagged47deluxe Posted December 27, 2020 Author Report Share Posted December 27, 2020 (edited) 4 hours ago, keithb7 said: Have done anything related to the points yet? Sounds as though you are at least partially through a 12V conversion? At what point during the 12V conversation have you noticed the back firing? Valves set? Compression test results acquired yet? Acquired the car with a partial 12v swap with some kind of harness and random wiring. I have a Speedway 14 Circuit to go back in it so I can't answer this one. And havent checked anything on the motor in detail yet. It decided to come a blizzard here so I'm avoiding the ice chest of a garage. Edited December 27, 2020 by Bagged47deluxe Quote Link to comment Share on other sites More sharing options...
Bagged47deluxe Posted December 27, 2020 Author Report Share Posted December 27, 2020 3 hours ago, michaelmarks697@yahoo.com said: that thing is a total "turtle" and lowered! Its got promise. for sure points plugs condensor. match cap with distributor. ID plate might be underneath dizzy your at the right place for help. good luck Yea it is bagged on all 4 corners with a 6in c notch in rear. It would put the rockers on the ground if not for the big wheels, which I cant wait to get rid of. 4 hours ago, knuckleharley said: You can never go wrong with cleaning ALL the ground wires,hot wires, and contact areas on an old car that has been sitting. Plan to do this when i start installing the new harness. Some one did just enough to get it driveable on 12v then I got it. Quote Link to comment Share on other sites More sharing options...
tom'sB2B Posted December 27, 2020 Report Share Posted December 27, 2020 Check to make sure your distributor is not 180 degrees off. Then check if your firing sequence is correct. Quote Link to comment Share on other sites More sharing options...
tom'sB2B Posted December 27, 2020 Report Share Posted December 27, 2020 3 minutes ago, tom'sB2B said: Check to make sure your distributor is not 180 degrees off. Then check if your firing sequence is correct. Never mind. I reread your first post. It obviously idles, but stumbles when you give it gas. Quote Link to comment Share on other sites More sharing options...
Bagged47deluxe Posted December 27, 2020 Author Report Share Posted December 27, 2020 1 hour ago, tom'sB2B said: Never mind. I reread your first post. It obviously idles, but stumbles when you give it gas. Yes car idles and fires up like a dream, beyond that is a dif story Quote Link to comment Share on other sites More sharing options...
Sniper Posted December 27, 2020 Report Share Posted December 27, 2020 11 hours ago, Bagged47deluxe said: Yes car idles and fires up like a dream, beyond that is a dif story That' why I said look at the carb. Quote Link to comment Share on other sites More sharing options...
Booger Posted December 27, 2020 Report Share Posted December 27, 2020 34 minutes ago, Sniper said: That' why I said look at the carb. 2 barrel weber? Quote Link to comment Share on other sites More sharing options...
Bagged47deluxe Posted January 3, 2021 Author Report Share Posted January 3, 2021 On 12/27/2020 at 10:06 AM, michaelmarks697@yahoo.com said: 2 barrel weber? It is a one barrel with a GM stamping on it. Quote Link to comment Share on other sites More sharing options...
Booger Posted January 4, 2021 Report Share Posted January 4, 2021 On 1/3/2021 at 10:47 AM, Bagged47deluxe said: It is a one barrel with a GM stamping on it. GM makes no sense. more than not its a B&B D6 xx Quote Link to comment Share on other sites More sharing options...
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