blackp7coupe Posted August 12, 2013 Report Posted August 12, 2013 Is the rear end in my '39 P7 the same as my '46 P15? I changed the third member of my '46 to one with 3.73 gears. This + 31" dia tires improved driveability on highways. I want to do the same on my '39. So will the later third member fit my '39? I appreciate any help on this. Quote
Young Ed Posted August 12, 2013 Report Posted August 12, 2013 Is the rear end in my '39 P7 the same as my '46 P15? I changed the third member of my '46 to one with 3.73 gears. This + 31" dia tires improved driveability on highways. I want to do the same on my '39. So will the later third member fit my '39? I appreciate any help on this. Yes the same one you used in your p15 will work in a 39. Dad put a 3.73 into his 39 too. Quote
blackp7coupe Posted August 12, 2013 Author Report Posted August 12, 2013 Ed, thanks for the info. I think the engine in my '39 will be happier going down the highway running at a few hundred less revs. Quote
janan5243 Posted May 16, 2014 Report Posted May 16, 2014 where can you find the rear end ratio on a 49 Desoto deluxe coupe? 1 Quote
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