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  1. Tempritscher

    '98 Tahoe 5.7 Vortec runs like crap, backfires in exhaust and intake - need help, pls

    Hi, I am Markus from Northrhine-Westphalia, Germany. Here in the "old world", trucks are not common like in North America, so there are no GM garages here and no experts for these type of cars :-(. I've got a friend who drives a '88 GMC Sierra, but he has not a vortec engine with CSFI...
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