I made one of the garden sprayer versions.

Sprayer:  $15
Cap:        $0 [old Volvo cap]
Gauge:    $0 [old 30psi gauge]
Time:       An hour of tinker time

Works pretty slick.

On 9/15/06, Mike Collum <collum@verizon.net> wrote:
>
>
> One could be made using a garden sprayer, a gauge, some tubing, and an
> old brake reservoir cap.  The time and parts needed to make one would
> soon add up to $45 dollars worth, though.
>
>
Casey
Olympia, WA
Biodiesel: "I drive in a persistent vegetative state"
'87 300TD intercooler #22 (218k)
'84 300D (216k)
Gashuffer:
'89 Vanagon Wolfsburg Edition (187K)
http://users.zhonka.net/zeitgeist/Misc/IMG_0171.JPG