Modified stock fuel tanks for easy EFI and sport use. - Vintage Mustang Forums

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post #1 of 1 (permalink) Old 02-29-2016, 11:45 PM Thread Starter
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Join Date: Mar 2006
Location: Austin, TX
Posts: 680
Modified stock fuel tanks for easy EFI and sport use.

I modify NEW stock fuel tanks to include baffle and tank sump. (2x 1/2 or 3/8 ports.)

Here are a few of the benefits:

It eases the instillation of an EFI setup or any other fuel system that uses a fuel return to the tank.
Has a much larger opening to intake fuel than the stock pickup.
The baffle (the plate between the sump pan and fuel tank with holes in it) will now help with the sloshing of the fuel on hard/fast stops and turns.
Having the sump at the lowest portion of the tank will ensure that all of the remaining fuel is in that sump pan and available for use, unlike the 'straw in a bowl' method that the stock fuel sender/uptake uses.
Some fuel systems are very susceptible to erratic behavior if you get intermittent gulps of air in the fuel delivery hoses. Having a sump will help prevent this.
Although a minor effect, gravity will help push the fuel into the lines and up to the point that they are level with the tank's fuel level. On a stock classic mustang this is almost up to the intake of the stock fuel pump.
I also recommend getting a 1970 tank when doing this as you get a 22 gallon tank over the 16 gallon stock one. Minor modification to the stock fill tube are needed or you can cut it short and make the rubber hose bend to fit.
These tanks will allow you to use your stock fuel sending unit! These are a drop-in replacement!
All tanks are leak tested before coating/shipment.

I charge 255 for a new stock 64-68 tank (16 gallon) tank with sump and 270 for a new 69-70 tank (22 gallon) (that will also fit 64-70 years) with sump. All welding is done via TIG. The epoxy coating is + 30$ (can also do custom colors for an extra fee)
It's normally 40$ shipping to almost everywhere; I ship from Austin, TX 78613 via UPS.
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