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Thread: Fuel Tank...
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MattREPU
Newbie
Posts: 6
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posted April 06, 2007 03:02 PM |
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Fuel Tank...
Anyone know off hand what the thread size / pitch of the tank drain plug is?
Mine is at a radiator shop being cleaned up right now and I want to get fittings ready to use it as the new pickup location to make my EFI pump more happy.
Thanks,
-Matt
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74 REPU 6-port EFI
83 RX-7
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klaus42
Rotorhead
Posts: 1877
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posted April 06, 2007 08:36 PM |
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Wish I could tell you.
Just beware of sucking the (inevitable, eventually...) crud from too near the very bottom with your modded fuel pickup!
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MattREPU
Newbie
Posts: 6
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posted April 06, 2007 10:53 PM |
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I know, but the original pickup tube is corroded to the point that it is perforated, so it sucks more air the lower the fuel level is!
The tank is going to get coated if needed to make it good, so it should start out really clean. Maybe I could find a trick way of placing a filter sock onto the fitting protruding into the bottom of the tank. I remember that you can at least see the drain looking through the sending unit hole.
I am most worried about something striking the bottom of the tank and breaking the fittings off!
-Matt
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74 REPU 6-port EFI
83 RX-7
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klaus42
Rotorhead
Posts: 1877
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posted April 07, 2007 05:54 PM |
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Yeah, that could be an issue...
Other than that, I have a good friend who *hates* tank lining goo, and who swears by drying the tank out really well, after cleaning with solvent, then using phosphoric acid (*Not* POR-15, or anything else!)to convert the rust, rinse with water, dry, and repeat several more times. (Apparently the rinsing is as important as the drying!) He swears that once it's converted in this manner, there's no issue with the fuel affecting it, or vice-versa.
Of course, none of the above applies if it's so bad it's flaking...
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