[T2] warning: fuel pump minutiae

[accessys at smart.net]

a regulator on that type of pump "may" cause excessive presure inside the 
pump??

Bob


On Thu, 22 Aug 2013, E Burtis wrote:

> Date: Thu, 22 Aug 2013 12:24:36 -0700 (PDT)
> From: E Burtis <ewdb92 at yahoo.com>
> To: Jack Dinan <jdinan at cox.net>, "type2 at type2.com" <type2 at type2.com>
> Subject: Re: [T2] warning: fuel pump minutiae
> 
> It's been awhile and I can't recall the exact fuel pressure, but I know
> it was 2 psi or slightly less.  I checked the overall height the pump is raised by the gaskets and it is lifted 5mm off the bakelite spacer.  I
> didn't measure the push rod when I got the bus because, at the time, I
> thought all pumps/push rods were created equal, but since my 71 has a
> generator, I'll assume the longer gen push rod (no grinding) was used. 
> The carbs work really well and I get about 20 mpg highway on my 1600.
> ________________________________
>
>
> Erik and others: I've done both today. I inserted gaskets and ground
> a couple of mm off of the rod. The pressure after these changes
> dropped from 7 to 6 psi. I've checked the gauge on another 1776 that
> I've got. It reads 3psi for that pump.
>
> Have those of you who have inserted gaskets actually measured the
> pressure afterwards? If so and if it really does go down to 2 - 3
> psi, then I'm really confused.
>
> As I mentioned, the stroke for my push rod is 4.3 mm. Evidently, I
> have to lower the rod (or raise the pump) enough to have only a
> fraction of this 4.3mm push on the lever.
>
> Thanks for your comments. I'm on the verge of ordering a regulator.
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