Call me crazy
Hey guys and girls, first post for me. The wife and I will be traveling more in the future with our 5000 lb. trailer so I was considering an upgrade from my 05 XLT 4x4. After much thought I decided why not update instead of upgrade (prices on even used trucks are crazy). The truck is in great shape and still runs well. 3.73 LS rear, 33" tires, 5.4 3v, 4r75e trans, Gryphon tuner, tow package, 197K on the clock. It struggles a little on the hills with the 33's so I'm considering 4.56 gears, I don't need to drive over 70 unladen or 60 towing and it's not a daily driver so 4.56 should be good. I know the tranny will eventually let go of course and the 5.4 will probably need to be replaced at some point, I can deal with those. If it were you, what other upgrades would you get along with the gears? Or am I just crazy for going this route? Thanks in advance, Mark in Orygon (soon to be the "State of Jefferson")
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I would take off the 33's, put stock tires back on, put 4.10 gears in and be happy with that. OR put the stock tires on when towing. You'll be amazed.
Or buy a new truck. FWIW, 5000# is pushing it in a half ton in my opinion. |
Originally Posted by ManualF150
(Post 5252708)
I would take off the 33's, put stock tires back on, put 4.10 gears in and be happy with that. OR put the stock tires on when towing. You'll be amazed.
Or buy a new truck. FWIW, 5000# is pushing it in a half ton in my opinion. |
You basically went up 10% in tire height so to get back to stock you'd be looking at a 4.10 axle ratio with the taller tires. The 4.56 will be pretty deep and you might find it almost undrivable due to high engine speed. I'd consider either the 4.10 ratio or the 4.30 at most. Towing 5000lbs with a half ton truck is at the limit regardless of tow capacity. Yeah, it can pull it but it can't stop it is the biggest problem. The brake system is just not large enough for safe operation. I'd personally be looking for an F250 but that's me. Jeez, my brother has a Jeep station wagon that will pull anything and it doesn't have 80 HP coming out of the old flathead 6 banger. Stopping and handling is what most folks overlook. But if an F250 isn't an option, I'd be looking at ceramic brake pads and slotted rotors on all 4 corners. If money is not critical, I'd look at Wilwood to see if they have a larger brake system for the truck. It would probably require bigger wheels so new tires would be in order. If looking at a new brake system get it on the truck before anything else. New wheels and tires are going to change the dynamics of the engine to make power. I'd also consider air bags on the rear to put the truck level while towing and take advantage of the handling benefits it brings. I'm assuming you already have an equalizing hitch. If not, you need one. I'd check under the rear for a sway bar. The newer F150s do not come with a sway bar. Fords position is that the rear axle needs to be able to articulate so the sway bar is not used in any of the tow packages. Helwig makes a dandy and it is adjustable. You won't believe the difference the sway bar makes. I have one on my 2014 and it's already saved me once in an almost head on wreck. Makes a huge difference when all 4 tires stay on the ground and the truck pretty much level in an emergency maneuver. Like anything else, you can make the truck into whatever you like. The issue is when do you spend enough money on it that you'll never get back. Considering the mileage, I'd skip all of the above and buy a newer F250 or F350. If you don't need the 4x4, skip that and get a 2 wheel drive. Having a T-Lok axle makes for a real pulling machine when the driver has a clue how to use it.
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Originally Posted by Labnerd
(Post 5252724)
You basically went up 10% in tire height so to get back to stock you'd be looking at a 4.10 axle ratio with the taller tires. The 4.56 will be pretty deep and you might find it almost undrivable due to high engine speed. I'd consider either the 4.10 ratio or the 4.30 at most. Towing 5000lbs with a half ton truck is at the limit regardless of tow capacity. Yeah, it can pull it but it can't stop it is the biggest problem. The brake system is just not large enough for safe operation. I'd personally be looking for an F250 but that's me. Jeez, my brother has a Jeep station wagon that will pull anything and it doesn't have 80 HP coming out of the old flathead 6 banger. Stopping and handling is what most folks overlook. But if an F250 isn't an option, I'd be looking at ceramic brake pads and slotted rotors on all 4 corners. If money is not critical, I'd look at Wilwood to see if they have a larger brake system for the truck. It would probably require bigger wheels so new tires would be in order. If looking at a new brake system get it on the truck before anything else. New wheels and tires are going to change the dynamics of the engine to make power. I'd also consider air bags on the rear to put the truck level while towing and take advantage of the handling benefits it brings. I'm assuming you already have an equalizing hitch. If not, you need one. I'd check under the rear for a sway bar. The newer F150s do not come with a sway bar. Fords position is that the rear axle needs to be able to articulate so the sway bar is not used in any of the tow packages. Helwig makes a dandy and it is adjustable. You won't believe the difference the sway bar makes. I have one on my 2014 and it's already saved me once in an almost head on wreck. Makes a huge difference when all 4 tires stay on the ground and the truck pretty much level in an emergency maneuver. Like anything else, you can make the truck into whatever you like. The issue is when do you spend enough money on it that you'll never get back. Considering the mileage, I'd skip all of the above and buy a newer F250 or F350. If you don't need the 4x4, skip that and get a 2 wheel drive. Having a T-Lok axle makes for a real pulling machine when the driver has a clue how to use it.
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Bigger wheels/tires reduce the mechanical advantage of the brakes as well as reduce acceleration. The reduction of braking is not often consdered when installing larger diameter wheels/tires.
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Lol, good lord . . . recommending a newer F-250/350 to pull 5K lbs. You shouldn't be relying on the truck's brakes to stop 5K lbs anyway, 1/2 ton or otherwise. It's pretty much state law everywhere in the US that anything over 3K lbs has to have trailer brakes on at least one axle. Whether that's surge brakes or electric is up to personal preference, but surge brakes work just fine for 5K. Electric brakes are even better since you can adjust the gain to control braking force. The F-150 can tow 5K just fine, and I do it a dozen times or more per year between my boat and a car hauler/utility trailer. If the brakes are working properly, the increased load on the truck's brakes is minimal. |
Originally Posted by Labnerd
(Post 5252729)
You know absolutely nothing about pulling a trailer. I have several millions miles under my belt pulling trailers of 5,000lbs to 18,000lbs with small trucks....like an F350. I own an F350 modified for just trailer towing and it's no match for a 2 ton truck pulling the same trailer. Difference is in stopping power. If you think a half ton truck is capable of stopping any trailer in the same distance as the truck alone, you're a wreck waiting to happen. And hopefully you don't kill somebody with your death rig. Yes, the comments above have the trailer brakes considered. They are helper brakes at best. Trailer brakes never have been much and are not capable of stopping the trailer in any kind of emergency. Most commonly on a 5000lb trailer you have only one axle with brakes. That's two tires stopping a load equal to the 4 tires and brakes on the truck. Simple physics should be more than enough proof to you that stopping distances will be long pulling any trailer. That's assuming you graduated from high school.
If we were talking about 8K+ lbs, I'd be more inclined to agree that pushing up against the upper towing limit is where a 3/4-1 ton comes in handy. The frame, wheelbase, and suspension of a Super Duty assist with keeping increased tongue weight and overall towing weight in check. However, if you're pretending that the F-350 you cited towing 18K lbs with was stopping most of the weight with the truck's braking system, you're woefully misinformed. |
Back in 1968 Car & Driver magazine road tested some "super cars" as they were called then, a Plymouth GTX, a Chevelle SS, a 428 Torino … tested them for top speed and braking, and they added a Air Stream. Used the weight distributing bars with Class 3 hitches as I recall. Panic stops saw all stop shorter from speed with the Air Stream in tow. The Air Stream had brakes and load shift added to car's traction, or so the writer testers thought.
Was a great magazine. What it has to do with F-150s today? I don't know, thought it was a fun article. The GTX had highest top end and fastest acceleration with or without the Air Stream. |
Well, an Air Stream is a top of the line trailer. Perhaps they have great brakes. I pulled a 25' Layton TT way back when with a F150 and an E150. Stopping distance was pathetic.
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Originally Posted by Roadie
(Post 5252964)
Well, an Air Stream is a top of the line trailer. Perhaps they have great brakes. I pulled a 25' Layton TT way back when with a F150 and an E150. Stopping distance was pathetic.
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