TYPE I / TYPE II DIS C3I MODULE WIRING

[Scott Shotton]

Trust me.  The 3.8 vin 3 has nylon teeth on the cam gear.  Like I said ,
the replacements are all steel.

Scott





TBK wrote:
> 
> A Buick with Nylon gears? Never seen one.I'll check the manual.
> 
> I'm going to take the pack part number down to the dealer and try to figure
> which one they put on there. I know there the a compatable Type II, I just
> don't know if that is the one on the car.
> 
> TK
> -----Original Message-----
> From: Scott Shotton <stucky at interaccess.com>
> To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
> Date: Wednesday, February 18, 1998 9:50 PM
> Subject: Re: TYPE I / TYPE II DIS C3I MODULE WIRING
> 
> >The modules are not direct swaps.  With schematics and some minor
> >harness modifications, you may be able to get them to work.  You might
> >need to change to a different plug in, they are "keyed" to fit the
> >appropriate modules.
> >
> >I have seen quite a few type I coils fail (hard start cold, about 30 deg
> >and below).  Insufficinet avaliable voltage.  Another guess as to why GM
> >changed:  replacing individual coils is cheaper then replacing all
> >three.
> >
> >Off the subject,  GM 3.8 vin 3's have a nylon cam gear.  Around 100,000
> >miles (especialy in climates that vary in temperature causing the nylon
> >to expand and contract) they spit the teeth and smash the valves.
> >Replacement gears are steel.  If you are near the milage and havent donr
> >the gears and chain, you might want to think about it.  3.8 vin C (3800)
> >has a steel cam gear factory.
> >
> >
> >TBK wrote:
> >>
> >> I have a VIN 3  3.8L Buick V6.
> >>
> >> It appears the Type I C3I coil pack (opposite side output) was swapped
> >> to a Type II (same side output) to correct a miss in the engine..
> >>
> >> Can someone confirm, deny, or supply dis-information regarding the
> >> wiring being different between the two.
> >>
> >> I suspect the two can not be swapped without changing the sensor, EST,
> >> bypass, etc wiring.
> >>
> >> Drawing appear to show them as being different.
> >>
> >> Are they direct swaps?
> >>
> >> True or false.
> >>
> >> Terry Kelley
> >