More Coil-on-Plug

[swagaero]

Gary Ohst wrote:
> 
> Thanks to those responding so far.  Here are a few more comments.
> 
> The 1997/98 GM LS1 V8, and maybe Nissan?, use a coil-near-plug system.
> There are individual coils at each cylinder, however, they are still
> connected to conventional spark plugs by a small lenght of spark plug
> wire.
> 
> True coil-on-plug has no spark plug wires at all.  The coils connect
> directly to the plug.  The coils are smaller and use higher primary
> voltage to make up for the fact that they have fewer windings.  The
> simplest implementation would be on 4-valve/cyl head with centrally
> located spark plugs.  The coils can mount directly over the plugs.  This
> is what Ford appears to have done on the 32-valve 4.6 liter V8.  It
> would be more difficult on the 16-valve LS1 because the plugs still exit
> to the side near the exhaust manifold.
> 
> The Oldsmobile Quad 4 might be good canidate. I'll have to check out a
> current model to see if they are using the new coil-on-plug hardware.
> 
> --Gary--


Coil on plugs are to expensive as there are not enough being produced
the best coil setup is by GM for the 3800 ect ect and Saturns totally
reliable.

Steve
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