payload?
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Logistics Pro
Joined: Dec 2004
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From: Carson City, NV
payload?
hello, i was trying to find out the maximum payload on my 79 f150. it is 2wd, has a 5 leaf spring pack, and coil over shocks in the rear. was wondering around how much weight it can carry, ive gotta pick up some stone tomorrow with it but dont want to overload it.
thanks in advance.
keyul
thanks in advance.
keyul
Postmaster
Joined: Aug 2000
Posts: 3,312
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From: Eldorado Ca. USA
This is not from any factory publications, but my personal experience guestimations. 1000# is safe. 1500 pushin it, 2,000 you more than likely on the bump stops. I am going to venture a guess that half of a pallet(or one bucket) is all you can haul before you put that thing down pretty far. Before you take off, double check under the truck that your driveshaft is not going to self clearance on your mufflers, (been there done that) If you are going on a short trip, you can get away with putting your truck on the bumpstops, there is a 99% chance you can get away with it, but that 1% means catastrophic axle failure. Leave lots of room for you to stop, your stopping distances will be horrible. Double check your tire pressure, crank the rears up to the maximum pressure listed on the sidewall. If you have alot of material to haul, I would rent a trailer with surge brakes. Much safer that way.
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Logistics Pro
Joined: Dec 2004
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From: Carson City, NV
hey thanks for the tips, i just got back from the quarry, i had to hand load in all the stone so i had no idea how much was in the truck espically since they were decent sized granite chunks, but after being weighed on the scale, i had a 2560lb payload in the bed 
. the quarry didnt allow you to put back stone once it been removed from the pile, so needless to say, i drove home with 2560 lbs in the bed. the truck did fine, i was very suprised, those 9" rear end are pretty tough, but now atleast i can judge alittle better how much stone i have in the bed.
. the quarry didnt allow you to put back stone once it been removed from the pile, so needless to say, i drove home with 2560 lbs in the bed. the truck did fine, i was very suprised, those 9" rear end are pretty tough, but now atleast i can judge alittle better how much stone i have in the bed.
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Logistics Pro
Joined: Dec 2004
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From: Carson City, NV
i just went out and took a look at it, havent unloaded any stone yet. im 2" away from the stop on the right hand side and about 1.5" away on the left side. i loaded most of the stone up twoards the front of the bed, there isn't any past the wheel wells beside a few stragglers.
Postmaster
Joined: Aug 2000
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From: Eldorado Ca. USA
so about one scoop is all it took eh? If you plan on abusing your truck like that on a regular basis, keep in mind that the rear end and leaf springs are the main weak link in this setup. Your rear end is a semi-floater, the shafts wont spit out, but you can snap your axle shaft between the drum and the wheel bearing(you loose the tire), and you can seize a wheel bearing. The leaf spring can break too due to the stress, and its age+fatigue. Chances of that happening are slim, but the chance of that happening increases with the abuse. Check your gear oil too, often times that gets neglected, low oil will make your bearings burn up very quickly.
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Your truck empty and with all fluids weighs about 5000lbs
Your GVWR is 6050 lbs
doing the math = 1050 lbs
Your GVWR is 6050 lbs
doing the math = 1050 lbs
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Logistics Pro
Joined: Dec 2004
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From: Carson City, NV
Originally Posted by masterbeavis
so about one scoop is all it took eh?
Last edited by keyul; Oct 6, 2007 at 12:19 PM.
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Postmaster
Joined: Aug 2000
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From: Eldorado Ca. USA
Your 98 will haul/tow more believe it or not(based on GVWR.) The old one ton rating is now the new 3/4 ton rating. Half tons now have 7700# ratings.
When they were new, your overload shocks add about 500# of uplift.
When they were new, your overload shocks add about 500# of uplift.
Thread Starter
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Logistics Pro
Joined: Dec 2004
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From: Carson City, NV
have you seen any coil over shocks on the rears of new trucks? i wonder if maybe they could be a factory option again one day but probably not, i think with the strenght of the newer frames and other componets, they probably dont need the coil over shocks anymore.