sparko Posted May 2, 2013 Report Share Posted May 2, 2013 Can anyone give me an idea of what it might cost to swap out the 3:31 rear for a 3:73 gear at a dealer ? Much appreciated. Link to comment Share on other sites More sharing options...
Jason Hoverson 36737 Posted May 2, 2013 Report Share Posted May 2, 2013 I can give you a rough cost. $255 part kit (ring and pinion and install kit with royal purple gear oil and the friction modifier) latemodelrestoration $100/hour to install 2 hours give or take L Link to comment Share on other sites More sharing options...
Kevin Patten Posted May 3, 2013 Report Share Posted May 3, 2013 Parts and labor around $500 at a specialty shop , $750 at the dealer ( depending on the labor rate in your area ) Link to comment Share on other sites More sharing options...
bergenfelter Posted May 3, 2013 Report Share Posted May 3, 2013 And I would find an experienced installer - setting a diff up correctly is almost an art - if not done perfectly you will have some degree of diff whine. Link to comment Share on other sites More sharing options...
2007tungstenGT500 Posted May 3, 2013 Report Share Posted May 3, 2013 $750 is closer to the actual. no dealer is going to do it for under 2 hours of charge time. Link to comment Share on other sites More sharing options...
2007tungstenGT500 Posted May 3, 2013 Report Share Posted May 3, 2013 i provided the kit to a local performance shop and i think i walked out of there having spent $500 just for the install. Link to comment Share on other sites More sharing options...
Jer Posted May 3, 2013 Report Share Posted May 3, 2013 And I would find an experienced installer - setting a diff up correctly is almost an art - if not done perfectly you will have some degree of diff whine. VERY VERY TRUE. Jer Link to comment Share on other sites More sharing options...
Blackdevil77 Posted May 5, 2013 Report Share Posted May 5, 2013 How much would the whole diff (pumpkin) cost to just swap out? Link to comment Share on other sites More sharing options...
sparko Posted May 6, 2013 Author Report Share Posted May 6, 2013 And I would find an experienced installer - setting a diff up correctly is almost an art - if not done perfectly you will have some degree of diff whine. Thank you for the advise. Now i wil try to find a good installer in NJ to do that swap. Link to comment Share on other sites More sharing options...
Snoopy49 Posted May 7, 2013 Report Share Posted May 7, 2013 You should also consider using a crush sleeve eliminator kit. Link to comment Share on other sites More sharing options...
Farmer-Ted Posted May 8, 2013 Report Share Posted May 8, 2013 Don't forget to add in the cost of a tuner to correct the speedometer - $300-400. Link to comment Share on other sites More sharing options...
2010KonaBlueGT Posted May 8, 2013 Report Share Posted May 8, 2013 How much would the whole diff (pumpkin) cost to just swap out? Unless you have a Ford 9" diff, you don't have a "pumpkin". Phill Link to comment Share on other sites More sharing options...
Snoopy49 Posted May 8, 2013 Report Share Posted May 8, 2013 I don't have a Ford 9", but I have a pumpkin. Link to comment Share on other sites More sharing options...
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