850 flywheel is roughly 725 at the ground. You could do all of it with a program and turbo, but I like changing the cam this is a more fuel efficient combination. ECM tuning, camshaft and a turbo to match everything for 850 flywheel hp
ecm upgrade and power box?
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Preston3, Aug 6, 2010.
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