1993 3.4 DOHC in an 88 Fiero with a Getrag 282 5-speed.
The graph says "Flywheel horsepower" but we set the correction factor to "1.0" which means no correction, so this is at the wheels.
The 10ft-lb torque dip corresponds to a bad AFR there; I still have to tune it.
Engine details:
1993 3.4 DOHC, balanced and blueprinted...
Ok, more details:
91 Beretta iron flywheel (16 lbs), Sealed Power hypereutectic pistons with coated skirts, balanced rotating assembly, .030" overbore, honed with a torque plate, exhaust valve guides tightened up a bit, opened the bottom ring gaps to prevent flutter, gasket matched the lower intake manifold, custom upper intake manifold (shorter runners, direct shot from the TB to the runners), stock throttle body, stock ECM, stock injectors, stock cam timing, 3" cold air intake with K&N cone filter, 2.5" exhaust with Magnaflow cat and Spintech muffler.
Pic so you can see the intake setup: