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Re: [T3] Performance mystery


On 8 Dec 99, at 17:09, Steven Ayres wrote:
> 
> One thing I'm not sure about: I found my Facet POS fuel pump only 
> delivering 3lbs pressure, so I got a new one, and that one only produces 
> 3.5lbs. I never tested pressure from the previous one before, just 
> blithely assuming that it would produce more than the stock pressure 
> spec of 5lbs.

Without Guesswork does list the type 3 pump as putting out 5 psi, but 
all the other models got 3.5 psi pumps. Frankly, I don't think this 
is likely to make much difference. You could put a Tee in the line 
and measure pressure while on the road just to be sure.

> The problem started with persistent missing and plug fouling. We got 
> those fixed, and now we've got the new thing. 

Is it possible that this is part of the same problem(s)?

> Vital statistics: 1641 dual-port, stock carbs jetted a bit larger, 
> Webcam (110 I believe it was), all new electrical sytem, even newer 
> 009 distributor/cap/rotor/points/cond, blue coil and wires, Bosch 
> Supers, 041 heads, about 10K miles on the engine, 92 octane. 

Could it be running too rich?
-
*******************************
Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA
*******************************

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