[TOMASLARKIN]

Need Input On Matching Auto Trans To Rear Ends

 

[Trav 351]

Be more specific

 

[JC-XR8]

3.23, 3.45, 3.73

 

[EBXR]

Need Input On Matching Auto Trans To Rear Ends

and why type of car would help as well.

 

[TOMASLARKIN]

Be more specific

IVE GOT A 2003 F250 SUPERDUTY 4WHEEL DR WITH A 6L DIESEL AND 3:73 REAR ENDS WITH THE 5 SPEED AUTO. EVERY ONE ITALK TO THAT HAS A 6 LITER AND 4:11 REAR ENDS GETS MUCH BETTER FUEL ECON THAN I DO, THE ONLY DIFFERANCE IN THE TRCKS SEEM TO BE THEY HAVE 1 TONS AND MINE IS A 3/4 TON. HELP PLEASE. THAKS TOM L

 

[TOMASLARKIN]

and why type of car would help as well.

IVE GOT A 2003 F250 SUPERDUTY 4WHEEL DR WITH A 6L DIESEL AND 3:73 REAR ENDS WITH THE 5 SPEED AUTO. EVERY ONE ITALK TO THAT HAS A 6 LITER AND 4:11 REAR ENDS GETS MUCH BETTER FUEL ECON THAN I DO, THE ONLY DIFFERANCE IN THE TRCKS SEEM TO BE THEY HAVE 1 TONS AND MINE IS A 3/4 TON. HELP PLEASE. THAKS TOM L

 

[TOMASLARKIN]

3.23, 3.45, 3.73

ive Got A 2003 F250 Superduty 4wheel Dr With A 6l Diesel And 3:73 Rear Ends With The 5 Speed Auto. Every One Italk To That Has A 6 Liter And 4:11 Rear Ends Gets Much Better Fuel Econ Than I Do, The Only Differance In The Trcks Seem To Be They Have 1 Tons And Mine Is A 3/4 Ton. Help Please. Thaks Tom L

 

[MikGan]

They're getting better economy out of 4.11's?!? I changed to 4.11 all be it in a very different car/setup but my petrol bill went through the roof.