Joe Flanagan Posted December 6, 2006 Report Posted December 6, 2006 I know this has been discussed a lot here. I'd like to update the rear end in my 49 Plymouth and use an overdrive as well. Rather than ask all the basic questions again, does all this info reside somewhere on the site? I looked under Tips and Enhancements and all that and I also did a search but didn't come up with anything. Basically what I need is ratio for dummies, potential donors, etc. Thanks for any help. Quote
Plymouthy Adams Posted December 6, 2006 Report Posted December 6, 2006 Your 49 Plymouth is the only year Plymouth had a narrow rear end..there is about a 2 7/16 to 2 15/16 more marrow Quote
Lou Earle Posted December 6, 2006 Report Posted December 6, 2006 My experience- I was like you going to change it all at one time. But I changed to an overdrive in my 48 and found no need to change the rear end. Mine and yours I believe is a 3.9 rear the overdrive will give you about a 2.57 final drive in overdrive. I am quite pleased with that I can drive all day a 65 70 and no real strain on engine. I actuality I mostly drive 55-60 and get around 20-22 mpg and it is great. I believe to go lower you will need to beef up the engine -a lot Ritchie and bobby your thoughts? I would buy another George Escher overdrive - in fact I am buying 2 more fro my 50 Pym and my 488 taxi. Best money I ever spent on my cars as far as upgrades go. Lou Quote
Joe Flanagan Posted December 7, 2006 Author Report Posted December 7, 2006 Thanks very much, guys. My transmission currently does not have an overdrive. From what I understand, I'd be better off getting a new transmission that has an overdrive already attached. I understand my stock tranny is put together a bit differently than those that came with overdrives and it's not just a bolt-on deal. Am I correct? Quote
Lou Earle Posted December 7, 2006 Report Posted December 7, 2006 The best deal in usa is goerge asche - get the trans and wiring etc - for around a grand- believe me it is the best deal in town. I have 2 used overdrives and there is no way I will rebuild them - it is a chinese jigsaw puzzle in there. Georges trans missions are great Lou Asche, George Jr Fertigs Rd VENUS, PA 16364 814-354-2621 Give him a call he will talk yoru ear off!!!!! Quote
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