Re: Fuel pressure at the injectors?

["deloreanfl" <ericp@xxxx>]

Guys,
Thanks for all of the advice. BTW: I have never taken apart the fuel 
distributor - nor do I have any plans to - I understand it will most 
likely never go back together and work. So I have never seen 
these "shims" you're referring to (I guess I hope I never do!)

I did, however, tweak the adjustment screws for each fuel line (on 
the distributor). I figured I had little to lose. I did manage to get 
all of the injectors to spray at about the same time under nearly all 
conditions. (an Improvement from before.) I haven't reinstalled the 
injectors to see if it actually makes a difference in running.

The main fuel pressure is about 70PSI. I think thats borderline 
normal to low. Anybody have a comment? Could anyone tell me which 
way the System pressure regulator works? What I mean is: do you add a 
shim on the system pressure assembly to increase pressure or decrease 
it? I am speaking of the pressure regulator assembly inside of the 
fuel distributor housing. The assembly that allows excess fuel to 
return to the tank.

Eric
Dunedin, FL
VIN # 5557




--- In dmcnews@xxxx, jwit6@xxxx wrote:
> In a message dated 1/9/02 12:14:56 PM Eastern Standard Time, 
Whalt@xxxx 
> writes:
> 
> << > I cannot figure out why, with minimal air-plate
> > deflection, not all of the injectors fire...but deflecting the 
plate
> > further they all fire equally.
> >
> > Bad Injectors? Faulty Fuel Dist.?
> >>
> Eric,
> I saw John Hurvey's post about your question. John has access to 
rebuilt 
> distributors and in the event that the supply of good cores become 
scarce, he 
> can help you get a functionally equivalent distributor to get you 
back on the 
> road. Looks like you've gotten a good deal of valuable information 
about your 
> problem. In any case, if at all possible avoid disassembling your 
> distributor. Have it rebuilt by a qualified shop only. Once you 
open it up 
> move the shims you're in trouble and there is no way that I've 
found for the 
> average owner to be able to seal it back up once it comes apart. 
There is no 
> gasket separating the upper and lower halves and it seems to use a 
special 
> sealant and the stainless steel diaphgram only . Johns web site is 
at 
> http://www.specialtauto.com.
> 
> Jim Vin 6147