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Old 03-29-2009, 06:44 PM
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Fuel Tank Position

Does anyone know of a rule in any state that affects the position of the fuel tank on a hot rod?

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Old 03-29-2009, 07:58 PM
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I don't know of any laws pertaining to position. fmvss website does have laws pertaining to crashworthiness, and post crash fuel system integrity...

Check this PDF out, it makes for some interesting reading...NOT! (scroll down a page..it's under the directions for "school bus seat")

But it does tell you how to build the cart and barrier that you'll need to do your own mounted fuel tank crash testing.

http://frwebgate.access.gpo.gov/cgi-...=2001&TYPE=PDF


I'd mount it where ever it will fit, not drag on the ground and with the filler on the top.... .


Later, mikey
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Old 03-30-2009, 12:38 AM
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Some states have laws prohibiting bottom supply lines, so run your line out the top of the cell if you can, or build sheetmetal around it so a cop or inspector can't see the supply line coming out of the bottom.
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Old 03-30-2009, 08:55 AM
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Quote:
Originally Posted by powerrodsmike
I don't know of any laws pertaining to position. fmvss website does have laws pertaining to crashworthiness, and post crash fuel system integrity...

Check this PDF out, it makes for some interesting reading...NOT! (scroll down a page..it's under the directions for "school bus seat")

But it does tell you how to build the cart and barrier that you'll need to do your own mounted fuel tank crash testing.

http://frwebgate.access.gpo.gov/cgi-...=2001&TYPE=PDF


I'd mount it where ever it will fit, not drag on the ground and with the filler on the top.... .


Later, mikey
Wow Mike I am impressed you read that whole thing, my eyes glazed over after the first paragragh. So I assume it is ok to go ahead and put it in roughly the same position as the 32 Ford -- hanging out aft of the rear axle?

techinspector -- Because of the likelyhood of leaking fittings?
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Old 03-30-2009, 09:11 AM
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Quote:
Originally Posted by scrimshaw
Does anyone know of a rule in any state that affects the position of the fuel tank on a hot rod?
I would assume that any state or Federal laws (rule) pertaining to the placement of a fuel tank would only apply to newly constructed vehicles that would then be registered as "new".

I don't think that any laws would be retroactive for existing vehicles.

Some examples of existing vehicles and gas tank placement:

Ford Model 'T' had a gas tank under the front seat. The seat cushion was raised to fill the tank.

Ford Model 'A' had the gas tank as part of the dash with the shut-off valve & carburetor supply line directly in front of the passenger.

The 1932 Ford had the gas tank fully exposed just below and behind the rear of the body.

Early 50's Chevrolet pickups (and others) had the gas tank directly behind the seat inside the passenger compartment.

The list goes on.

All of the above examples are legal for the vehicles mentioned. None would be approved if they were manufactured that way today as "new".
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Old 03-30-2009, 07:19 PM
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"techinspector -- Because of the likelyhood of leaking fittings?"

No, because of the possibility of road trash yanking the fitting out of the tank/cell and spraying fuel onto the roadway.
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