2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Turbo S5 Project Running Lean, Shooting Flames Like a Cannon

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Old Oct 16, 2010 | 09:13 AM
  #26  
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From: Trying to convince some clown not to put a Holley 600 on his 12a.
Welp...
My problem doesn't seem to be the VDI. I wired it open and went for a cruise. There was NO difference, in either low end or hi end. I still fall flat at 6800 RPM.
Wiring it open was a real bitch, too! lol
Any other testing I should do while it's wired open? I want to know before I remove the wire so I don't have to do it all over again. Next I guess I'll grease the shaft of the diaphragm pot to be sure it's operating on it's own.

...I suppose we're back to clogged cats (square one). (?)
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Old Oct 16, 2010 | 12:29 PM
  #27  
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From: https://www2.mazda.com/en/100th/
yeah either exhaust or fuel delivery, there is a little filter ON the pump.

i don't recall, but if you haven't checked the plug wires, you should do so, they should be under 16k ohms/meter.
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