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11-26-2016
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#1 |
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Join Date: Jul 2005
Posts: 190
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3:73 Dana gear set and speedo gears F. S.
3:73 Dana ring and pinion, 3,000 miles on set, bought new, always ran quiet, selling to go to 4:10 ratio.
gear set # 5007022 pinion # 48665 ring gear # 48144H 29 spline Speedo Gears Light Grey OEM Drive Gear 45 Tooth Driven Gear [almost impossible to find these days]. $400.00 plus shipping. Thanks, Jim |
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11-27-2016
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#2 |
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Join Date: Aug 2014
Location: Maple Park, Il.
Posts: 54
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Re: 3:73 Dana gear set and speedo gears F. S.
Jim, in your opinion what are the pros and cons of the 3:73 set ?
Sent from my SM-G925P using ZR-1 Net Registry mobile app |
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11-27-2016
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#3 | |
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Join Date: Jul 2005
Posts: 190
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Re: 3:73 Dana gear set and speedo gears F. S.
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Pros More torque thru the 1st 4 gears, higher rpm in 5th and 6th on the interstate, but I think 4:10 gears will do both of these things better than 3:73, and that is why I am changing to them. I don't drag or road race, and am no expert, but I think 3:73 gears are better suited to someone with a modded engine with a lot more than stock horsepower. Someone who tracks their Z or drag races. That is the buyer I probably should find. Jim |
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11-27-2016
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#4 | |
 
Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,593
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Re: 3:73 Dana gear set and speedo gears F. S.
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DRM specified the 3.73 as the best for their modded motors. I come out of first so quickly with the 3.73 as is, that I am likely not the best driver for a 4.10 setup in drag race mode, but I would bet the 4.10 would seem to always be in the sweet-spot regardless of gear while driving, especially in 5 and 6! My 3.73 has whined from the day I first got it. Fortunately, the obnoxious to some but wonderful to me exhaust note drowns it out. Good luck with the 4.10s, you are sure to enjoy them!  Marty |
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11-27-2016
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#5 | |
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Join Date: Jul 2005
Posts: 190
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Re: 3:73 Dana gear set and speedo gears F. S.
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11-27-2016
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#6 | |
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Join Date: Sep 2008
Location: Mullica Hill, New Jersey
Posts: 2,593
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Re: 3:73 Dana gear set and speedo gears F. S.
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That is great. You mentioned in your initial post that it always ran quiet! My mention of my whine was not a knock of yours, just a comment on mine. I have a carrier here with a 4.56 that I kept looking at, but finally decided 4.56 was simply over the top too much! You will be quite happy with your 410's, and for your asking price that is a very inexpensive and significant upgrade to the 345's. I would not change out my 373 to any other ratio, that is how pleased I am with it, even with the song mine sings! Marty |
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11-27-2016
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#7 | |
 Join Date: Jun 2013
Location: PA
Posts: 879
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Re: 3:73 Dana gear set and speedo gears F. S.
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11-27-2016
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#8 | |
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Join Date: Jul 2005
Posts: 190
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Re: 3:73 Dana gear set and speedo gears F. S.
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