I need advice with the present-gen F-150
03-16-2016, 06:56 AM
#71
Found On Road Dominating
everyone stated 3.73 based on your needs. Big tires and occasional mountainous terrains is the reason. Torque is key. Bigger the tire greater the torque. Same for the folks on this forum who tow big trailers the 3.73 help in keeping torque up and RPM constant. 3.73 are harder to come by in the 3.5 EB in the latest Generation of F150 and you'll have to order the HD Payload pkg. Good luck. Hope that was simple enough.
Last edited by Bill_The_PA; 03-16-2016 at 09:03 AM.
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MrPauloAbesamis (03-16-2016)
03-16-2016, 10:58 AM
#72
There are two choices for rear axles: Ratio and Open vs eLocker. eLocker is really only useful for getting your truck un-stuck and is probably not going to ever be needed by 90%+ of trucks out there. I got eLocker just in case, but I expect it to be a fun-button sometime down the road.
As for ratio, lower numbers mean lower RPM for the same speed with the same setup otherwise. A 3.31 rear axle will cruise 70mph down the interstate at a lower RPM than the 3.73 will. However, those lower numbers means more engine struggle for big tires, steep climbs, heavy loads, etc.
I got the 3.55eLockers with my 2.7L EB as the interstate miles without a trailer are what I bought the truck for. If I were pulling a heavy load frequently, I'd have gotten the 3.73 and maybe the 3.5L EB instead of the 2.7L. If I were using it as a highway-miles sedan-replacement, I'd probably have gotten the 3.31 rear end.
As for ratio, lower numbers mean lower RPM for the same speed with the same setup otherwise. A 3.31 rear axle will cruise 70mph down the interstate at a lower RPM than the 3.73 will. However, those lower numbers means more engine struggle for big tires, steep climbs, heavy loads, etc.
I got the 3.55eLockers with my 2.7L EB as the interstate miles without a trailer are what I bought the truck for. If I were pulling a heavy load frequently, I'd have gotten the 3.73 and maybe the 3.5L EB instead of the 2.7L. If I were using it as a highway-miles sedan-replacement, I'd probably have gotten the 3.31 rear end.
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MrPauloAbesamis (03-19-2016)
03-19-2016, 12:50 PM
#73
I think I'm going with the 3.73 eLocker, I want to put big tires (35" - 37") after quite some time. I'm also going for the 36 gal tank for the V8 model I'm eyeing.
Is it worth it to wait for 10-speed A/T trickling down all F-150 models after the Raptor comes out? Or is the 6-speed just fine for a daily driver/ occasional long distance driver/ seldom tow rig?
Any thoughts for it?
Is it worth it to wait for 10-speed A/T trickling down all F-150 models after the Raptor comes out? Or is the 6-speed just fine for a daily driver/ occasional long distance driver/ seldom tow rig?
Any thoughts for it?
04-09-2016, 04:08 AM
#74
I had to ask this, is rustproofing the chassis well worth it once I get the truck? I know the body is completely aluminum but the chassis is reinforced steel. I intend on keep the F-150 that I want for over 10 years. I read a similar article about rust-proofing but that was with a prev-gen F-Series but what I want to know is in general is this a suggested practice?
