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Old 09-07-2012, 05:28 PM   #1
ont_guy_38
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Join Date: Jul 2007
Location: Ontario Canada
Posts: 1,006
Installed MSD now problems

Going to the track tomorrow so I thought I would install my MSD 6AL box..install went good ,fired right up . I then tried the 3000 chip to see how it worked and revved it up and like it supposed to it would not go past 3 grand but also it backfired once , So I put my 6000 chip in and took it for a ride. Now when i hammer the throttle from a stop it stalls , never had that problem before , it used to just leave hard. Could it be possible the accel pump on my Holley blew from the backfire or does everything have to be retuned again ?
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1985 C10
2004 Avalanche
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