Paul
I have tried all the various setups that were suggested and could not
get the Slide throttle p port combo to run steady below 3000 rpm. I
tried connecting the two ports, restricting the lines, large vacuum can,
check valve. The check valve dampens the vacuum pulses but the vacuum
gage shows what is going to the ECU and does not output logical vacuum
vs throttle info as you get w/ the throttle body mounted away from the
engine.The hoses are connected on top, fuel pressure is steady 36 psi
and not connected to vacuum.
Good to see that a single rotor w/ carb works. It would be great to find
someone who has a working P port FI where I could follow there lead.
John Prendergast
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Check valve? Where is the check valve?
Where do you live?
Run the engine at a steady 3000 RPM, 3500 RPM, 4000 RPM, 4500 RPM
and 5000 RPM. Record the vacuum readings at each RPM. And let me know
what they are?
Do you have EGT thermal couples and gages? If so record the EGT for
front and rear rotors at each RPM.
Do you have a wide band mixture monitor? If so record the readings at each RPM.
(Run only unleaded auto fuel for initial testing and set up.)
Do you have any other kind of mixture monitor? Record that if available.
These are basic tools needed by any EFI system.
Please take some pictures of the vacuum can and send them to me.
What kind of crank angle sensor are you using? You can set the
EFI up on the bench and run the 2nd gen crank angle sensor with a drill
press to simulate a running engine. Use this vacuum pump which
you can buy in any automotive parts store to simulate
the vacuum to Tracy's computer. Place the injectors shooting
into jars and measure the amount of fuel you get out of each one
of the four.
It is possible your primary injectors are defective.
If all else fails you can take the injectors off and all
the plumbing and wiring and send it to me. I'll test it for
you. Tracy won't be back in Florida for another three weeks.
I don't need the crank angle sensor as I have one.
--
Paul Lamar ...No rotor no motor.
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