Re: 400 rwhp and 20+ mpg?
My Datsun 280z makes 428 RWHP LS6 w T56 manual and will knock down 27-28 mpg all day but weighs 2640lbs. My 1971 RS Camaro will get 27 MPG if you act right with and it makes 606 RWHP with a magnacharged LS6 with 5 speed manual both have 3.70 gears so even in a truck 20+ would be very realistic but only LS powered and FUEL INJECTED
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