Join Date: Feb 2011
Location: port st. lucie, Florida
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Overdrive kit for '10 F-450 and rear gearing change
I want to change the rear gears in my 450 to 4.10's but some people I talk to say you can't change the rear gears in a 450. I'm not an expert on gearing but it does have a fully tig welded cover on the the back. But I really want an overdrive kit like the gear vendors unit, at cruising speed on the highway it can drop your cruising rpm's by 500-600 which can improve your mpg significantly and make it easier on the truck,and smoother. But the gear vendors kit will only operate properly on a stock truck. Can anyone please help me on what companies make good strong units. My mods are in my signature...whatever you guys can do to help would be greatly appreciated I really need an overdrive kit. My truck is an automatic btw...let me know whatever possible about the overdrive units. Thanks again guys.
2010 F-450 Harley Davidson Edition
compelete egr delete w/elite external wastegate kit
machined and decked heads w/ARP head studs
CFM+ adapter w/throttle body delete
all 3" intercooler pipes
5 inch downpipe ceramic coated into 4" duals
Dpf & Cat delete
one up off-road F-450 traction bars
Thanks to sean at street diesel performance in chaplin, CT for all of the help. One of the best in the business.
Last edited by Torque 6.4 F-450 HD; 12-25-2011 at 04:51 AM.