I have a 1984 f-150 and are wanting to know what the maximum tire sizes i can put on a 6 inch suspension and 3 inch body lift. I wont be doing hardly any off-roading and will be mainly a street truck. right now i got a 3 inch body lift on it and 32.5's but want alot bigger. also what could i clear with an 8 inch lift and 3 body?

 

Well if you are doing alot of street driving and making a show truck. For the 6in suspension/3in body lift. I would recomend like a 37 BFG, one more step up is what interco calles the Thornbird the biggest size it comes in is a 38.5.

For a 8in suspension/3in body lift i would recomend like a XZL Michelin. They come in 11R20 is 43inchs, 14R20 is 49 inches, 16R20 is 52 inches tall. Only thing is that you will need to have some custom 20 inch rims made. But thats not a big deal you can have them painted or even chromed!!!

That TTB should handle them well because its got a d44 centersection, 3rd U
joint, and 2 pivot points.

 

they are actually 41" tall.....and theres not a damn thing wrong with michelins!!!!!!!!!!!

 

so whos out mystery poster????

 

You can run a 38" tire easily and maybe a 39.5. Especialy if it won't be wheeled verry much.

I hope this helps.

 

????? WHAT^^^^

 

Thanks for all the help but what kind if lift kit am I looking at if I want to clear the 40+ sizes?

 

I am running a superlift 4" with a 3" body lift. My truck had 40's on it when I bought it. They hit the fenders. With the extra 2" you should be able to clear the 40's.

Run a good quality lift. Skyjacker, superlift. With the 6" lift it will be better to get the optional rear leafs instead of the big blocks. With a 40" tire you will need to regear the truck to at least 4:56 gears. My self I would probably go 4:88. My truck has a 5 speed and 4:10 gears. With the 36" tires it is verry strong. With the 40's it felt like a dog.

Check out 4wheelparts.com for a lift.

 

just thought it might have been a resident poster under a different screen name.... Sorry. If you go that big, just keep some things in mind. If you break a rear axle shaft, you will loose your tire. If its on the road, the axle dropping 16-18 inches could be a BIG deal. Are you going to keep stock gears? It will be a dog if you do. Also keep in mind, stopping is going to be alot worse with stock breaks, and its more than likely going to eat ball joints and steering components.

 

I just checked out that 4wheelparts.com and they are pretty expensive on their lift kits... any other suggestions?

 

what tire size do you want?? thats the first ?? we need to know. from there we can tell you which route to take. also are you on a budget?? things can get expensive very quick when you get into bigger tires. theres a lot more to lifting a truck thats street drivin then you think. everyone here will tell you the right way to do it for your safety as well as other motorist. we enjoy big trucks and want to keep them safe. so please dont ask if you can stack blocks, run 8inch blocks or anything over a 3 ich body lift. yes you can do all of these things but no one here with half a brain will condone any of it its not safe.

sorry for the long post but safety is my first concern i have to many i care about to lost them to someone who didnt want to listen.

tony

 

You can try rough country. But their lifts are just that cheap. Any other route is going to cost that much more. What would you perfer, a cheap lift that gets you where you want to be. Or a quality lift that will get you there and keep it there. If this was just going to be an offroad truck I would say do what ever. But you basically said that it will be a street truck AKA mall crawler. You half to take in account that it will need to be safe. If something breaks at high way speeds it could not only hurt you but some one else and their family also. That is why a quality kit costs so much. They have put in a lot of time and research. They know what works and what dont.

The only other option is to order a set of Bushwacker cut outs and cut the fenders. You could probably stuff 40's under it then with just your 3" body lift.

What ever you do lets keep it safe. Please use a store bought kit and not something homemade.

 

no i definatly know about the blocks and things like that and yes i do want to keep this as safe as possible... i had a set of 39.5 inch iroks a while back but sold them. i would like to run a tire that is about that big or smaller... somewhere around a 37-39 inch tire. as far as budget goes... i dont want to spend a great deal of money in this but at the same time i want a good lift... i really dont care about the ride or smoothness of the truck as much as i do the size....

 

You might be able to get away with the 37 on a ttb d44, but you're going to be right on the edge of failure all the time. I'd go with a 4inch lift and run some 35s for a mall crawler, anything over that and it starts to get expensive.. quick.

 

Yeah if you run anything over a 35 on the ttb your askin for trouble. Ive heard stories of the front crossmember breakin off where the drop brackets go. Ya know where the ttb swings in the middle? You have alot ot torsional force with tires that big on that junky front setup. If you want to go decently big with and your not wheelin it id got wit a SAS and use a 78/9 Dana 44 solid front. Not much more work and the lift kits for those are alot nicer.