1 piece floor pan?

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Square head

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Jan 24, 2016
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Location
Ontario Canada
First Name
Ken
Truck Year
1987
Truck Model
K20
Engine Size
5.7
Does anyone know of a 1 piece replacement floor pan for an 87 GMC K20?
I looked on different sites and can't find one. It seems the after market is lagging behind on the 1981 - 1987 c & k models in more than 1 area. I would like a 1 piece pan so as to eliminate visible seams from underneath the truck.
 

Sprockmonster

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Mar 15, 2015
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Location
Connecticut
First Name
Logan
Truck Year
1984
Truck Model
k10
Engine Size
305
I've only noticed that there were half pans on lmc. I purchased them and they go from about two inches up the hump(this is a high-hump cab) and they go to the inner footwell, so they have a half inch lip towards the outside of the panel near the doors.

Just curious, what is your reason for having no visible seams from underneath?
 

TopFuel1

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Aug 24, 2016
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Location
Pennsylvania
First Name
Jack
Truck Year
1979
Truck Model
K10
Engine Size
350
As Sprockmonster mentioned, most sheet metal suppliers will have 2 or 4-piece floorpans for the majority of repairs due to manufacturing costs and potential fitment issues. I liked LMC's floorpans for my 1979 3/4 ton and they fit well with some minor tweaking. I will suggest that you buy all of your sheet metal from the same place. I made the mistake of buying kickpans and inner rocker panels from a local supplier and ended up doing more work to make everything fit.
 

Scott Vincent

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Aug 28, 2022
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Location
Sierra Vista, AZ
First Name
Scott
Truck Year
1974
Truck Model
K20
Engine Size
350 B30over
 

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