CNP coils

[James Ballenger]

	Great website.  Any idea why the subarban coils are referenced as a coil
kit?  I wonder why they would be more expensive than the camaro version?

	Also, I have quite a few GM part #'s for sensors and I am looking for the
harness side for hooking up.  Anyone have any ideas where I might find some
harness information?  The local auto stores don't have it or won't help me
out on this one.

Thanks,
James Ballenger

>-----Original Message-----
>From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org]On
>Behalf Of Jurgen Hartwig
>Sent: Friday, March 02, 2001 12:20 PM
>To: diy_efi at diy-efi.org
>Subject: Re: CNP coils
>
>
>> this one came off of a 99 Camaro.  there was also a 98 TA (the tag on
>the
>> car reads "600hp TA", believe it, I saw the dyno sheet, blower &
>squeeze)
>> there that had the exact same setup.  the part number on the
>coils (all
>16)
>> was 12558948 (top line, p/n?), 09T29-0200 (bottom line, Date code?)
>>
>
>
>Bob, sorry I don't have the info about the pin identification.
> Hopefully,
>someone can assist.
>
>However, I did do some rudimentary searching for the coils.
>The cheapest
>factory coils were $28.17 for the coils you have now,
>12558948, and $37.53
>for the 2000 Suburban coils, 5.3L.  These prices were quoted from
>www.gmpartsdirect.com.  They were quite a bit cheaper than all
>the other
>vendors.
>
>Now, as you already know, the coil-on-plug setup on the V8s is not
>physically coil on each plug.  There is a spark plug wire.  Apparently,
>the reason for this setup is to keep the exhaust manifolds
>from damaging
>the coils.  However, there are some COP (coil-on-plug) setups which
>physically sit atop the spark plug and are bolted to a bracket for
>support.  From what I have seen, some Toyotas and Isuzus may
>utilize this
>coil.  This would likely be preferably to the GM coils for those not
>driving V8.
>
>GM also installs the COP on their Lincoln line, including LS
>and the SUV,
>I believe.  I wonder if GM installs COP on every V8, or only a handful.
>
>When I am in town sometime, I will make a point to stop at
>some junkyards
>and probe around.
>
>Jay
>
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