Home » Public Forums » GMCnet » [GMCnet] Cad 500 Distributor Cap
| [GMCnet] Cad 500 Distributor Cap [message #72978] |
Fri, 05 February 2010 18:52  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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I've just been browsing the RockAuto web site for Cad 500 parts needed for
my pending GMC installation. Since I'm going to move the Howell EFI from
the 455 to the 500, I need a distributor from an 80-81 Cadillac with the 368
ci 4-6-8 engine because it is computer controlled. RockAuto lists different
distributor caps dependent upon EFI or carburetor. Does anyone know why?
Obviously I need that for EFI, but since the Olds HEI distributors use the
same cap regardless of whether it's computer controlled, I'm curious about
why Cad is different.
TIA
Ken H.
Americus, GA
'76 X-Birchaven
www.gmcwipersetc.com
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Cad 500 Distributor Cap [message #73059 is a reply to message #73051] |
Sat, 06 February 2010 12:42  |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Ken,
That distributor has the extra wire to use for retarding the timing
when starting.
You can modify the standard dist, if you like, but you'll need a
different module and wire harnesses.
Even the cap is different and there is a cooling hole at the base. The
cap is screwed down type, not the screw latch common type.
There is no vaccume advance.
On Sat, Feb 6, 2010 at 9:34 AM, Larry <weidnerl@wwt.net> wrote:
>
>
> Larry wrote on Sat, 06 February 2010 11:32
>> Ken,
>> Contact John Biwersi. I'm pretty sure he has a couple of extra distributors, and he is quite familiar with the technicalities of the distributor we need for EFI use.
>>
>> I'd give you the extra that I have, but I'm 1500 miles away from it. :d :d :d
>
>
> Oh, BTW, his email is:
>
> mailto:jbiwersi@mac.com
>
>
>
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
> _______________________________________________
> GMCnet mailing list
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Cad 500 Distributor Cap [message #73073 is a reply to message #73059] |
Sat, 06 February 2010 16:06 |
GMCWiperMan
Messages: 1248
Registered: December 2007
Karma: 1
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Senior Member |
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Jim,
"...extra wire..." -- Does that mean it doesn't use the standard HEI/EFI
7-pin module, but a 3rd style I don't know about?
I'd noticed in the RockAuto photos that there were no spring latches and
wondered how one installed them.
Thanks,
Ken H.
On Sat, Feb 6, 2010 at 1:42 PM, Jim Kanomata <jimkanomata@gmail.com> wrote:
> Ken,
> That distributor has the extra wire to use for retarding the timing
> when starting.
> You can modify the standard dist, if you like, but you'll need a
> different module and wire harnesses.
> Even the cap is different and there is a cooling hole at the base. The
> cap is screwed down type, not the screw latch common type.
> There is no vaccume advance.
>
>
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| Re: [GMCnet] Cad 500 Distributor Cap [message #73102 is a reply to message #73051] |
Sat, 06 February 2010 19:10 |
GMCWiperMan
Messages: 1248
Registered: December 2007
Karma: 1
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Thanks, Larry, for the hint -- and the follow-up with John's address.
Ken H.
On Sat, Feb 6, 2010 at 12:34 PM, Larry <weidnerl@wwt.net> wrote:
>
>
> Larry wrote on Sat, 06 February 2010 11:32
> > Ken,
> > Contact John Biwersi. I'm pretty sure he has a couple of extra
> distributors, and he is quite familiar with the technicalities of the
> distributor we need for EFI use.
> >
> > I'd give you the extra that I have, but I'm 1500 miles away from it. :d
> :d :d
>
>
> Oh, BTW, his email is:
>
> mailto:jbiwersi@mac.com
>
>
>
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
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| Re: [GMCnet] Cad 500 Distributor Cap [message #73109 is a reply to message #73102] |
Sat, 06 February 2010 19:54 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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What I was thinking was that it uses the 7 pin module, instead of the
old 4 pin .
On Sat, Feb 6, 2010 at 5:10 PM, Ken Henderson <ken0henderson@gmail.com> wrote:
> Thanks, Larry, for the hint -- and the follow-up with John's address.
>
> Ken H.
>
>
> On Sat, Feb 6, 2010 at 12:34 PM, Larry <weidnerl@wwt.net> wrote:
>
>>
>>
>> Larry wrote on Sat, 06 February 2010 11:32
>> > Ken,
>> > Contact John Biwersi. I'm pretty sure he has a couple of extra
>> distributors, and he is quite familiar with the technicalities of the
>> distributor we need for EFI use.
>> >
>> > I'd give you the extra that I have, but I'm 1500 miles away from it. :d
>> :d :d
>>
>>
>> Oh, BTW, his email is:
>>
>> mailto:jbiwersi@mac.com
>>
>>
>>
>> --
>> Larry :)
>> 78 Royale w/500 Caddy
>> Menomonie, WI.
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Cad 500 Distributor Cap [message #73110 is a reply to message #73109] |
Sat, 06 February 2010 20:17 |
GMCWiperMan
Messages: 1248
Registered: December 2007
Karma: 1
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Senior Member |
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Oh, OK. I understand that.
Ken H.
On Sat, Feb 6, 2010 at 8:54 PM, Jim Kanomata <jimkanomata@gmail.com> wrote:
> What I was thinking was that it uses the 7 pin module, instead of the
> old 4 pin .
>
>
> On Sat, Feb 6, 2010 at 5:10 PM, Ken Henderson <ken0henderson@gmail.com>
> wrote:
> > Thanks, Larry, for the hint -- and the follow-up with John's address.
> >
> > Ken H.
> >
> >
> > On Sat, Feb 6, 2010 at 12:34 PM, Larry <weidnerl@wwt.net> wrote:
> >
> >>
> >>
> >> Larry wrote on Sat, 06 February 2010 11:32
> >> > Ken,
> >> > Contact John Biwersi. I'm pretty sure he has a couple of extra
> >> distributors, and he is quite familiar with the technicalities of the
> >> distributor we need for EFI use.
> >> >
> >> > I'd give you the extra that I have, but I'm 1500 miles away from it.
> :d
> >> :d :d
> >>
> >>
> >> Oh, BTW, his email is:
> >>
> >> mailto:jbiwersi@mac.com
> >>
> >>
> >>
> >> --
> >> Larry :)
> >> 78 Royale w/500 Caddy
> >> Menomonie, WI.
> >> _______________________________________________
> >> GMCnet mailing list
> >> List Information and Subscription Options:
> >> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >>
> > _______________________________________________
> > GMCnet mailing list
> > List Information and Subscription Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
>
>
>
> --
> Jim Kanomata
> Applied/GMC, Fremont,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
_______________________________________________
GMCnet mailing list
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