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Ed Wright · 01-26-2009, 12:05 PM

I've also seen numerous problems like that with the MSD Optispark. I replace the plastic pegs on the stock GM rotor with aluminium 1/8" pop rivets to prevent slinging the blades off the rotor, that is the only problem I ever had with the factory GM pieces. I later went to an MSD crank trigger for the signal and only used the Optispark for the cap and rotor.

01-26-2009, 12:05 PM	#4
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: LT1 Ignition problem I've also seen numerous problems like that with the MSD Optispark. I replace the plastic pegs on the stock GM rotor with aluminium 1/8" pop rivets to prevent slinging the blades off the rotor, that is the only problem I ever had with the factory GM pieces. I later went to an MSD crank trigger for the signal and only used the Optispark for the cap and rotor. __________________ Ed Wright 4156 SS/JA