4 Cylinder DIS?

[Shannen Durphey]

Peter Gargano wrote:
> 
> Shannen Durphey wrote:
> >
> > No, Mr. Gargano, you would not be correct.
> 
> Let's not be so formal!  
Lol. Sorry.  Won't happen again. : )

> I'm often not correct :-(
Me too.  
> 
> What I should have asked is - "is there a four cylinder DIS module
> with the pretty much standard GM DIS signals of REF, EST, BYPASS
> and GND"?
Just out of curiousity, what prompted your original post?
> 
> > The module used with the
> > 2.8l v6 and the 2.2l 4 cyl have those wires, along with an additional
> > wire for a tach signal.
> 
> So, I take it then that there *is* a 4 cylinder DIS module!
Yes, there are a couple fo different styles.
> 
> Andrew Plunkett wrote:
> >
> > I found that the 90-91 Berretta has MAP, DIS, PFI and 4cyl on
> > the DOHC Quad 4.  It uses the 1228707 ECM.
> 
> How available are these modules? 
Very.  They were used on US GM cars from the late '80s to the late
90's, and possibly still are.
Shannen
I know of no local 4 cyl GM vehicles
> that use a DIS - all use the (541) HEI module with the above four wire
> interface to the ECM (G, B, R, E), a two wire interface to the coil and
> distributor (+, C), and two wires to a reluctor pickup.
> 
> Hmm, more investigation required,
> 
> Peter.
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