Couple ideas?
There are different coils listed for different year LT1s. You may have the wrong coil for your year car?
For wiring, I have the Accel 300+ ign. system, the two factory connections that normally go to the coil connect to the accel box, then one plug comes out of it and connects to the coil. The remaining connectin on the coil is just blank.
As far as aftermarket coils killing optis? Some say the MSD coil is too strong and kill optis, but you have to wonder about the condition of the opti prior to the upgrade. I ran the Accel box and coil for 10 years, 65k miles with 0 problems with the coil/opti. i did experience a capacitor failure.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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