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Re: What should I expect for my first engine tune?
well im gonna say put it on a dyno for the tune...the guy that unlocked my ecm just used a base tune for a 4.8 i found out...even though it ran good with no issues, it came off the dyno with about 40 more hp and a bunch more torque..and runs so much better...dyno guy said he could turn it up if i wanted but i said no...its not a hotrod truck...even though it acts like one
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