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Old 06-28-2006, 05:31 PM   #36
rlith
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Re: 95 Jimmy 4.3 Vortec starting problems - weird

Quote:
Originally Posted by wb8yjf
Ok. Now I'm really confused. I thought mine was CMFI (1995). I have a central "control" in the intake with a spyder assy. attached to that. I replaced the regulator on the back of the "central" part per info. in the FAQ's. Please tell me exactly what I have! I don't wanna look too stupid....

Thanks!
Jon
Yours is CPI (Central port injection). It uses a central spider assembly that batch fires (fires all injectors at once)

96+ CSFI/CMFI is similar in concept but each injector fires individualy based on rotor position (165432)
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