Robert Horne Posted September 2, 2014 Report Posted September 2, 2014 The 36 to 38 tanks were very wide hotdog shaped, with the exhaust very near the frame of the passenger side. On my 38, and 37, I used a hotdog shaped fuel tanks from an old Toyota, and a Datsun. The 39 and up frame is a little different, so a more rectangle fuel tank can be used. Quote
OldDad67 Posted September 3, 2014 Report Posted September 3, 2014 nice job on the tri 5 transplant,,,,the question is,,,new or old tank,,,how long till todays gas makes rust in a new tank ?? the tank you showed on e bay is from tanks inc, it is aluminum coated steel,,,may stand a chance of surviving todays gas,,, tanks inc has a poly tank for 1936/37/38 plymouths wit ha side fill,,,but says the mearsurements are way wider then the 41 to 48 steel tank,,,im going to do some measureing see if it will fit my 40... only thing that bugs me is there side fill,,,it bolts on with a flange,,how can it not leak ?? The tri-5 tank is new, the 55 and 56 tanks are the same, the 57 tank has an additional pipe for a vent and the fill pipe is on the side of the tank like the Plymouth. The tri-5 uses a fill pipe that has an "O" ring to seal. It's only about 1" deeper than the Plymouth tank and holds 16 gallons. By being more square it allows room on the driver side for dual exhaust. It was an easy fit and I still use my stock Plymouth sender by cutting a hole in the top of the new tank. Quote
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