1976 Chevy Camaro - Project g/28 Part 7
This before/after horsepower graph shows Project g/28 after The Muffler Man exhaust and Hedman header install. The comparison is with the stock filter, and then with the K&N filter kit. With the stock filter, g/28 made 212 rear-wheel hp at 4,400 rpm. With the K&N kit, it picked up 26 hp (for 238 hp at 5,200 rpm). The graph at the bottom shows the air-fuel ratio from the wide-band sensor placed in the exhaust. Note how the K&N filter (red trace) admitted more air into the engine, thus leaning it out by about half a point.
View Related Article
|
|