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Al,
My coils fit the LS1 Silverado pickup. I like the fact that the hookup wires come out the opposite end from the high voltage. Notice that they are turned various directions, in order to get them to fit together tighter. They also use a different connector than the Corvette coil.
A side note... I also played around with 3 dual-tower coils from a V-6 Buick. They use a wasted spark design like Mazda, except their coils don't have the ignitor circuit built in. So, I would have had to complicate things by adding those to the schematic and so I didn't use them because of that. Main benefit would have been that they would be lighter.
Mark
At 10:09 PM 9/22/2003 -0700, you wrote:
Mark;
Interesting setup. Those aren't the Corvette LS1 coils that I have.
Were ther two versions for the Covette, or are yours the version that is
used for the LS1 engine in the pickup (a.k.a., truck)?
Al
Bill,
Here's three pictures of my coils-on-plugs setup, unpainted. (Lest
anyone get
the idea of using garden hose for plug-coil connectors, they were for
mockup
purposes only.) The brackets mount to the holes in the rotor housings
that
are normally used for knock sensors. I understand these bolt holes are
only
on some of the 3rd gen engines. So, you would have to find somewhere
else to
bolt to. The bracket is made of 1/2" square 4130 tube. The "wires"
going
from the coil to the plug cap were made from springs which I stretched
out a
bit. Since these coils are made to mount directly on the valve covers
of the
LS1, I didn't see any reason not to mount them where I did. However, if
I
start experiencing coil failures, I will most likely move them, or mount
them
on the plugs using shock mounts.
-- Mark S.
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