Thread: Question about model A seat

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Well Brian has solved his seat problem very nicely, but I am still working on it. Now that I have committed to a rumble seat in my 'glass '29 roadster body I am inclined to use a gas tank under the front seat. The 1" tubing reinforcement around the back seat is 5" above the flat floor and I figure if I use a flat rectangular tank 18"x36"x5" it will hold slightly over 14 gallons. I have measured the back seat in my sunfire again and it is actually too wide for the A body, although it could be sectioned as shown above and late model Cavaliers seem to have the same rear seat so they ought to be plentiful in junk yards. Still with the riser of the Sunfire seat or a similar back seat from a late model Jeep the seat will be too high with the tank underneath. Thus I am inclined to use a foam padded plywood seat cut out to rest on the reinforcing shell 5" above the floor in the back and about 12" above the floor in the front. There is no way to enlarge the tank in the front for more volume if the fill tube is in the back because all that space would be just a big air bubble unless the fill tube would come through the seat to the front of the tank but a fill tube between the passengers seems awkward to me and anyway 14 gallons is probably enough for me and I could carry a 2 gallon spare tank in the rumble area if need be. In the picture I am attaching you can just see the back edge of the 1" square tubing that could be used to support the back edge of the plywood seat. I am writing this to ask if anyone remembers a site where details are given to fit a plywood base for a seat? I remember seeing (maybe in Street Rodder) a picture of a plywood seat with two "potty holes" covered with plastic seat webbing before the foam block was added and then covered with naugahyde. Any body else have pictures, comments or site references to this kind of roadster seat? On the Sunfire seat the front edge of the front bucket seats is about 4" above the back edge and the width is about 18" so I figure if the plywood is 5" above the floor at the back on top of the gas tank and the front is 12-13" above the floor it should be comfortable but I wonder about the "potty holes" and the need for them and the webbing. Any body out there done this type of seat or sat in one to comment on relative comfort/discomfort using 4" of foam padding over webbed "potty holes"?


Don Shillady
Retired Scientist/teen rodder