What do you think of this product, and price.
Also, there are a lot of different individual spark plug coils on Ebay.

http://blackhaloracing.com/products-page/engine/ignition/bhr-ignition-system19/

Hurant Karibian

It is over priced.
The late GM coils are fine but make sure you put a blast tube on them.
1997 to 2005 GM Corvette coils are $30 each on Ebay.
Ignition Coil 97 05 Chevrolet Corvette C1144 Uf192 $29.95 new.


I have had no problems with my 2004 RX8 coils and I run the engine
to 8500 RPM every now and then.

Any old inductive coil will work with this system including the stock
2nd  gen RX7 Mazda coils. Use the dual output coil on
the leading (lower) plugs only.

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BTW I think the FET is built in to the RX8 and GM Corvette so
there is one less part to buy.

I have some Corvette coils so I'll check it out tomorrow.

Paul Lamar



Referring to the schematics, if the coil is an inductive winding
connected to the FET reliability might be improved with the addition
of a diode (1N4004) connected across the coil, positive end to the
positive rail. I'm sure it works without it, but if the FET ever quits
for no apparent reason, the inductive kickback from the coil would
probably be the reason most likely. The diode can prevent this. If the
coil block represents an electronic circuit there is no need for the
diode. There are also some available LED emitter-detector combo
packages that are easy to use. They make mounting easy (2 screws) and
eliminate allignment problems.

John McEverett

A lot of FET's have this protection built in.

I suspect the GM and the RX8 coils have the FET built in
as well. I'll find out later today.

Paul Lamar