[Diy_efi] GM Fuel Pump / Tank Options

[James Panter]

Sometimes bearings friction weld to a shaft by mistake ---WHOOPS!!!
----- Original Message ----- 
From: "Gregg Eshelman" <g_alan_e at yahoo.com>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, August 29, 2007 3:09 PM
Subject: Re: [Diy_efi] GM Fuel Pump / Tank Options


> --- Clair Davis <clair.davis at charter.net> wrote:
> <clip>
>> Would it be possible, or even necessary, to do a bit
>> of plastic welding on
>> the poly fitting to make it that much of a tighter
>> fit?
>
> Fittings on rotationally molded tanks are attached by
> first cutting a hole then spin welding the fitting.
>
> The fitting is held in a chuck attached to a motor,
> then pressed against the tank and spun until friction
> melts a bit of the fitting and tank.
>
> Try some experiments on a junk tank to see what'll
> work. A Yahoo search for spin welding plastic turnes
> up lots of info.
>
>
>
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