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Mayday-----I have gone through 15 opti-sparks,bought the new so call billet MSD and still I blow them constantly.I am told that someone has figured out how to make them last.Who and how please I need help in a hurray.
Paul Cambria
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Paul, most are caused by the rotor retaining screws coming loose, or the metal blades coming off the rotor. Red locktite is how I fix the screws on mine, and aliminium pop rivets to hold the blades on instead of the plastic pegs they are mounted on.
Too much cam end play, or too long dowel pin in the end of the cam causes havock also. Had one (rotor) come apart Sat in mine, but hadn't riveted the rotor together. Had a riveted one in the tool box, but not the car. Don't claim to be bright. I just use an original GM unit in mine. Avoid an Opti from Autozone, etc.
Be interesting to hear what (if anything) Woodro says about this.
05-28-2007, 03:39 PM
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