10-22-2016, 05:56 PM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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I agree with the electrical. Check all the grounds too, including the battery to frame and the msd to ground. I have a spare msd (actually Mallory but same connections) box you can borrow to test with.
You can also disconnect the tach to make sure you aren't getting feedback into the msd.
I also run an MSD 8830 capacitor to ensure my box gets clean power.
Last edited by Texasdoc; 10-22-2016 at 06:39 PM..
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