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Old 02-21-2014, 11:35 PM   #36
81chevys
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Join Date: Jun 2011
Location: houston,texas
Posts: 58
Re: TEXAS 81 swb build 5.3 4l80

Running into some probs though.... I got no power under 3000rpm. It barely moves itself until then but over 3k it blows the tires away. I did restall the converter to 2800-3200. It seams the engine is the one with the problem though. Also posted on ls1tech. I tried swapping o2 sensor plugs from side to side. No luck. Anybody got any ideas?
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