Fully boxed frame
#4
#5
Join Date: Oct 2005
Location: North Central Florida
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Originally Posted by Patman03SprCrw
those are fuel lines, and looks to me like its on the outside of a fully boxed frame rail... let me see what other pics i can find to help prove you wrong
But pics would be great.
#6
Originally Posted by Patman03SprCrw
let me see what other pics i can find to help prove you wrong
Oh well it definetly looks thicker, and much stronger then my frame does
#7
Join Date: Oct 2005
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#8
Originally Posted by JohnBoy88
Aww man I conceded way too early!
Doesn't that seem odd that it's not fully boxed? Isn't that supposed to help a lot?
Doesn't that seem odd that it's not fully boxed? Isn't that supposed to help a lot?
But yah full boxed frame helps with twisting, and impacts, but adds weight. My best guess is that if the truck is over a certain weight (4dr dualie) then they either have to pay more to make them, or the consumer has to pay more to register it etc...
So simple answer is i bet it has to do with the truck would be too heavy with a fully boxed frame
#11
#12
#13
Originally Posted by CajunJosh
I dont know if this was discussed on this board or thediselstop but it seems that they dont fully box the frames because it would make the truck too ridged. Due to the higher weight raitings/capacities of the super duty trucks the frames need to bend/flex slightly under exterme loads.
With 1/2 ton trucks the powertrain and suspension are the limiting factors for towing. they can only go so high, where as with the super Duty trucks, Big rigs etc, they have much heavier suspensions and larger powertrains. On the smaller trucks having a rigid frame adds stability when towing, and due to the powertrain limiting max weight possibilities it becomes an advantage. When you go to a Super Duty truck if you had a fully boxed frame dealing with the 15,000-24,500 pound loads it would have too much stress on individual points due to a lack of flex in the frame- causing them to snap or break.
#15
Originally Posted by Lumadar
You basically got it.
With 1/2 ton trucks the powertrain and suspension are the limiting factors for towing. they can only go so high, where as with the super Duty trucks, Big rigs etc, they have much heavier suspensions and larger powertrains. On the smaller trucks having a rigid frame adds stability when towing, and due to the powertrain limiting max weight possibilities it becomes an advantage. When you go to a Super Duty truck if you had a fully boxed frame dealing with the 15,000-24,500 pound loads it would have too much stress on individual points due to a lack of flex in the frame- causing them to snap or break.
With 1/2 ton trucks the powertrain and suspension are the limiting factors for towing. they can only go so high, where as with the super Duty trucks, Big rigs etc, they have much heavier suspensions and larger powertrains. On the smaller trucks having a rigid frame adds stability when towing, and due to the powertrain limiting max weight possibilities it becomes an advantage. When you go to a Super Duty truck if you had a fully boxed frame dealing with the 15,000-24,500 pound loads it would have too much stress on individual points due to a lack of flex in the frame- causing them to snap or break.