Knowledge needed
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Fleet Mechanic
Joined: Nov 2022
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Knowledge needed
Hey guys, I'm CONSIDERING lifting my 91 f150 4x4 5.0 5 speed at some point, and I'd like to gather some forum wisdom.
I'd only like a 2.5 - 3 inch lift
I have 265 tires, may go to 285 if I lift
Would I need to regear my diffs? (3.55 now) and if so, is the front the same as the rear (meaning I could just purchase 2 sets of rear gears)
what all goes into a lift such as this? What are good companies and ones to avoid?
I'd only like a 2.5 - 3 inch lift
I have 265 tires, may go to 285 if I lift
Would I need to regear my diffs? (3.55 now) and if so, is the front the same as the rear (meaning I could just purchase 2 sets of rear gears)
what all goes into a lift such as this? What are good companies and ones to avoid?
Lead Driver
Joined: May 2011
Posts: 5,790
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the 5.0 trucks are pretty anemic with any sort of increase in tire size, i'd go with 4.56. The gear sets for front and rear are different.
The lift kits come with a drop bracket for the front, new springs, and some come with lift blocks in rear or new springs in rear. I'd go with new springs. It's also been a long time since I even looked for a kit, i dunno how abundant they are nowadays
The lift kits come with a drop bracket for the front, new springs, and some come with lift blocks in rear or new springs in rear. I'd go with new springs. It's also been a long time since I even looked for a kit, i dunno how abundant they are nowadays
Lead Driver
Joined: Sep 2002
Posts: 9,550
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From: North Texas
I would regear a stock truck and have, and no the front is D44, rear 8.8". Figure about $1500 parts and labor to regear easily. Maybe more if you need ujoints, brakes, etc.
With 33s, may as well keep it out of OD. Flat tappet 302s are beyond gutless stock.
For just 2-3", consider a body lift if they are available. Changing the TTB geometry is a pain to correct. You also may need beam bushings and radius arm ones now.
With 33s, may as well keep it out of OD. Flat tappet 302s are beyond gutless stock.
For just 2-3", consider a body lift if they are available. Changing the TTB geometry is a pain to correct. You also may need beam bushings and radius arm ones now.
Thread Starter
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Fleet Mechanic
Joined: Nov 2022
Posts: 1,697
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the 5.0 trucks are pretty anemic with any sort of increase in tire size, i'd go with 4.56. The gear sets for front and rear are different.
The lift kits come with a drop bracket for the front, new springs, and some come with lift blocks in rear or new springs in rear. I'd go with new springs. It's also been a long time since I even looked for a kit, i dunno how abundant they are nowadays
The lift kits come with a drop bracket for the front, new springs, and some come with lift blocks in rear or new springs in rear. I'd go with new springs. It's also been a long time since I even looked for a kit, i dunno how abundant they are nowadays
And before this turns into a "trashing on the 5.0" thread, I'm happy with the power I have.
Lead Driver
Joined: May 2011
Posts: 5,790
Likes: 449
yea i understand where you're coming from. I wouldn't bother thinking about either of those gear swaps though, put the tires on and see how you like it, then go from there. 4.10's at minimum if you decide that it's too sluggish.
Hotshot
Joined: Jul 2020
Posts: 10,533
Likes: 2,660
From: Near Salt Lake City
You will have a dog under 4.10 with that big of a tire
A body lift is hard on things too
Go a 1.5 inch body puck and a 2 inch front and rear spring lift
Spring in the front and a block or add a leaf in the rear
Then re align it and plan on needing to re cam it for the camber and caster split
Easy and very nice when you are done
A body lift is hard on things too
Go a 1.5 inch body puck and a 2 inch front and rear spring lift
Spring in the front and a block or add a leaf in the rear
Then re align it and plan on needing to re cam it for the camber and caster split
Easy and very nice when you are done
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Thread Starter
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Fleet Mechanic
Joined: Nov 2022
Posts: 1,697
Likes: 416
You will have a dog under 4.10 with that big of a tire
A body lift is hard on things too
Go a 1.5 inch body puck and a 2 inch front and rear spring lift
Spring in the front and a block or add a leaf in the rear
Then re align it and plan on needing to re cam it for the camber and caster split
Easy and very nice when you are done
A body lift is hard on things too
Go a 1.5 inch body puck and a 2 inch front and rear spring lift
Spring in the front and a block or add a leaf in the rear
Then re align it and plan on needing to re cam it for the camber and caster split
Easy and very nice when you are done
Something like this? Would I need springs or could I keep stock? I understand this just "levels" it, but it should open up the ability to put 285s on there
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From: Chillicothe
Hotshot
Joined: Jul 2020
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From: Near Salt Lake City
https://www.carid.com/1991-ford-f-15...parentsubmodel=WHEEL+DRIVE|4WD+%28Four+Wheel+Drive%29
Something like this? Would I need springs or could I keep stock? I understand this just "levels" it, but it should open up the ability to put 285s on there
Something like this? Would I need springs or could I keep stock? I understand this just "levels" it, but it should open up the ability to put 285s on there
Thread Starter
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Fleet Mechanic
Joined: Nov 2022
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As someone who has personally fought with a 5.0 4x4 on 33s, 35s, and 37s, i will casually explain.... 33s need a MINIMUM of a 4.10. If you put in anything less you will be unhappy. And the 5.0 was a roller block with a 4x4 comp cam for "torque". A 91 possible flat tappet 5.0 will be woefully underpowered to enjoy at any level. I have even considered regearing my stock height 95 5.0 5 speed truck to 4.10s and I only have 31s.
Some people say roller ready, some say not drilled/tapped/block cast for roller, some say roller cam, some don't.
Also I would consider 4.10, as long as it wouldn't remove the streetability of the truck
Logistics Pro
Joined: Aug 2010
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From: Chillicothe
Logistics Pro
Joined: Aug 2010
Posts: 3,717
Likes: 585
From: Chillicothe
Had an 5/89 drilled and tapped but flat tappet so i know at least 89s werent roller yet.
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Fleet Mechanic
Joined: Nov 2022
Posts: 1,697
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What I mean is I don't want a truck that has to rev super high just to drive on the road, gas is simply too expensive for that. I just want a good balance