homer41 Posted March 10, 2018 Report Share Posted March 10, 2018 I am looking for a carb for my 53 Plymouth 218, I have looked at the information of what is compatable and it seems there are quite a few. My question is, is there a table or some info as to what are the differences in these carbs, I'm sure there are some minor things that make the difference. Any help? Dave Quote Link to comment Share on other sites More sharing options...
55 Fargo Posted March 10, 2018 Report Share Posted March 10, 2018 I will have to find my charts. Yes they can vary a lot in throttle bore jetting and cfm. Small to quite big CFM wise for big trucks Quote Link to comment Share on other sites More sharing options...
homer41 Posted March 11, 2018 Author Report Share Posted March 11, 2018 On the site I looked at it showed these for 53 plymouth D6R1, D6H1 and H2 D6P1 and 2. D6U1. D6N1 and 2. Dave Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted March 11, 2018 Report Share Posted March 11, 2018 D6H2 is the one you want. None of the above. Quote Link to comment Share on other sites More sharing options...
homer41 Posted March 11, 2018 Author Report Share Posted March 11, 2018 Thanks Quote Link to comment Share on other sites More sharing options...
Thomba48 Posted June 17, 2018 Report Share Posted June 17, 2018 Can I actually use a d6u1 for a 1949 Plymouth? What is the downside? Anything better than then d6h1? thanks Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 17, 2018 Report Share Posted June 17, 2018 Some more info from Carter poarts and service book.. 1953 Plymouth D6P1/ D6P2>>> Hydrive cars ---Main Metering Jet... 256 flow per min D6R1 >>>>Taxicab Models....MMJ 256... flow per min D6U1>>>>Standard Clutch W/ Overdrive trans.... MMJ... 287 flow per min D6N1/D6N2>>>>City Traffic Models....MMJ... 256 CC flow per min D6H1/D6H2 All 1949-53 Plymouth Standard clutch 3 Spd trans...MMJ ... 287 CC flow per min Different idle orifice port sizes... accelerator jets, step up jets, vent tubes etc. apply to all the above. Quote Link to comment Share on other sites More sharing options...
Thomba48 Posted June 17, 2018 Report Share Posted June 17, 2018 (edited) 13 minutes ago, Dodgeb4ya said: Some more info from Carter poarts and service book.. 1953 Plymouth D6P1/ D6P2>>> Hydrive cars ---Main Metering Jet... 256 flow per min D6R1 >>>>Taxicab Models....MMJ 256... flow per min D6U1>>>>Standard Clutch W/ Overdrive trans.... MMJ... 287 flow per min D6N1/D6N2>>>>City Traffic Models....MMJ... 256 CC flow per min D6H1/D6H2 All 1949-53 Plymouth Standard clutch 3 Spd trans...MMJ ... 287 CC flow per min Different idle orifice port sizes... accelerator jets, step up jets, vent tubes etc. apply to all the above. Please do assume that I simply know nothing and then you are getting close ? Would I be able to use the U1 for my purpose? Bearing in mind that I shall be using an overdrive in the end it could possibly make sense? What do you think? If I was to use it would I need to change anything? thanks Edited June 17, 2018 by Thomba48 Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 17, 2018 Report Share Posted June 17, 2018 I would think so... All that matters is good drive-ability... meaning good idle, tip in off idle, full acceleration and smooth cruising.. no surging. Try it. This all assuming the D6U1 is a real good clean carb. Quote Link to comment Share on other sites More sharing options...
Thomba48 Posted June 17, 2018 Report Share Posted June 17, 2018 59 minutes ago, Dodgeb4ya said: I would think so... All that matters is good drive-ability... meaning good idle, tip in off idle, full acceleration and smooth cruising.. no surging. Try it. This all assuming the D6U1 is a real good clean carb. Could I ask you another question? What would you say about a modernised set-up like weber 32/36? thanks Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted June 17, 2018 Report Share Posted June 17, 2018 I don't do anything other than factory. Quote Link to comment Share on other sites More sharing options...
Thomba48 Posted June 18, 2018 Report Share Posted June 18, 2018 Thanks Quote Link to comment Share on other sites More sharing options...
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