[urq] Fuel Distributor...Prob too late, but wanted to toss this out there.

Chaplen, John John.Chaplen at mercer.com
Fri Oct 22 16:47:31 EDT 2004


In testing why my car was not running as well as it could, we found that
one of the injectors was not spraying/atomizing under WOT. After
replacing all the injectors (as they were also the original ones and
weren't running that great away) spray was much better but would still
drop one injector under WOT. We changed the lines around to see if it
was a line problem and come to find it was the port out of the fuel
distributor. We checked pressure and flow, that all seemed fine, filters
replaced etc.

So Found a place that rebuilds them, in talking the person that does the
rebuilding flow tested etc, I explained that my car was running above
stock boost (Scott M. upgrade), he suggested that they could enhance the
flow of the distributor if I wanted...I explained what was stock boost
about 11psi and that chipped was about 14psi (maybe better now that my
distributor might give me enough fuel won't know until I get it back).
He is enhancing it about 8-10 percent of normal flow...Since it's too
late now to change it did I make a mistake in having him do this? Will
the injectors restrict the flow anyway?

My thoughts were that the OS would compensate for the "added" fuel flow
and pass it back through the frequency valve, but at least under WOT
conditions when the Lambda unit was disabled the extra fuel would be
good since I have always heard our cars lack in the fuel delivery
system?

(Ok - NOW you can tell me I'm stupid for doing this????)

John Chaplen



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