Anyone that has gone from carb to EFI will tell you that mileage gains are a minor benefit to going to EFI. Even if the mileage gets slightly worse, drivability and ease of tuning are major benefits. No more flat spots and changing jets. It all has become easier to make the car more drivable. I moved my old 461 from carb to EFI and it was to totally different animal. Responsive and flat out better at all operating points. Nothing beats a system that is monitoring the O2 and making hundreds of changes every minute.
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Skinned knuckles and empty wallet! Could I be any happier?
66 GTO Convertible. LS3-525 HP. Legend LGT700 5-speed, Wilwood 4-wheel disc brakes, Ridetech coil over front susp, PMT rear susp, Hotchkis bars, Billet Specialties 18" Dagger's (18X9 rear, 18X8 front).
2002 Ram Air WS.6 convertible Trans Am. Wife's car.
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