air fuel mixture??
#11
TECH Junkie
iTrader: (2)
Originally Posted by 02denali
if you only gained 10 hp from a tune then it needs to be tweeked. these engines run better with more timing. the dyno thing is a good tool to get may the most hp out of the truck but i firmly believe that the vehicle will need to be driven and tuned for better results. i have seen nelson mail order tunes gain 20 to 25 hp.
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