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TR2/3/3A Interior rear panel covering gas tank and rear seat bottom install.


Senior Member
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I am installing new interior in a TR3A. Can anyone send photos of the back panel covering the gas tank as it attaches to the sheet metal below the rear backseat bottom, and perhaps show a tape measure from the where that sheet metal turns down (front edge of rear seat bottom) to the bottom of the panel. Plus how deep front to back is the bottom seat? Does the panel go against the fuel tank straps? If I do that I have a big edge of the seat and the back panel. Any help and photos will be greatly appreciated. Thank Tom


I don't have pictures to send to you but when I put the cover that you mentioned on my 3A I just looked at the metal and found the original holes. The cover then laid up flat against the gas tank straps .

James Christie

Freshman Member
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How about fitting an aluminium sheet firewall while you’re in there, to reduce the risk of setting the cockpit and its inhabitants on fire in the event of a shunt. It’s a fiddle but well worth doing.



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The seat depends on the vin #--A 1958 or many 59s use a small bent sheet metal bracket about ¾ by 2 inches that fits on the bottom corners in behind the fabric on the seat board in a notch. Then that bracket screws to the tub with slotted head sheet metal screw, I think a # 10 about an inch long


Senior Member
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I’d appreciate a few more weighing in as to whether the back panel rest against the fuel tank. Thanks Tom
as to the second responder above all my panels are aluminum.


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Sorry, no go on measurements as I don't own the car anymore. Hope these help...and the panel does not actually ride on the tank straps, but it will definitely hit them if you push on it. The top was originally a steel plate, with the bottom flat portion made of fiber board. There were 2 sheet metal angles riveted to the bottom, so the panel could be screwed into the floor. The top of the panel fits into tabs around the top of the rail, with no screws to hold it there. I fit my seat without ever securing it, so I could easily remove it later. It was originally held with 2 screws under the front edge.








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I know it was purchased in Panama City FL originally. I found it for sale in East Texas in 2009. The gentleman I bought it from said his Father went to the same one room school house with Clyde Barrow's Father. He got the car when his friend died in the 1980's, and the friend had purchased it in 1974 in an estate sale. The gentleman I bought it from died of stomach cancer shortly after I purchased it. Both the kids in the pic learned to drive on it. This is also the car that the minute we completed the sale and it drove out of the driveway our house was hit by lightening.

Triumphs are a life thing. You own them for life or pay the consequences!

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