Trying to replace my rubber floor in my 78 f150 regular cab 4x4 4speed. How do you find out if you have the large hump or small hump? I don't wanta guess and buy the wrong one.

 

Pretty sure 4-spd is the large hump. At least my F-250 4-spd is a large hump.

 

I'm not sure if 150 and 250 would be the same

 

I think there is a difference between 2wd and 4wd, but since both are 4wd I am thinking high hump.

 

Idk I have read that all 4x4 are high hump and I've read they're not idk what to believe

 

Maybe this whttp://www.stockinteriors.com/items.asp?MakeId=34&ModelId=210&MainCatId=5&Desc=F ord_Full_Size_Truck,_Standard_Cab_Rubber_and_Vinyl _Flooringill help.

 

Lets try this again. New Ford Full Size Truck, Standard Cab Rubber and Vinyl Flooring

 

so, if I read that correctly, if you have some sort of shifter coming out of the floor, it is a high tunnel. If not, low tunnel

 

2wd standard trans or 4wd high tunnel.

 

That's what it looks like for the 2wd mines 4x4 on that site I'd be looking at either 5570 or 5571

 

5571 since you have 4wd and 4spd.

 

Yeah its gotta be the high hump. Just from comparing the pictures I could tell. The small hump is just a straight hump while the large one goes up back in and the up again. Looks exactly like mine. Thanks guys

 

Glad we got it figured out.

 

Me too now just gotta order it

 

Isn't it as simple as the high hump has the removable trans/floor pan cover and the low hump does not have the removable cover?
I don't think there is a difference in the steel floor stamping. Is There?

Maybe I'm wrong, ( it happens), But I thought the standard floor is the same for all the trucks, but when there is a floor shifter or 4wd, ford cut out a large (10'x18") hole in the hump and added a floor pan cover. which is 2-3' taller thus causing a high hump.

OR am I wrong and there are two different floor stampings?