Exhaust efficiency increasing apparatus

Details Exhaust efficiency increasing apparatus Exhaust efficiency increasing apparatus

1989-07-31

1990-08-14

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

60323, F02B 2702

Patent

active

049476459

ABSTRACT:
The disclosure is directed to an exhaust efficiency increasing apparatus incorporating crossover ducts between dual exhaust conduits extending from an engine having two cylinder banks. The ducts are disposed to communicate with upstream entry and downstream exit apertures on the exhaust conduits and cross in an "X". Since where the ducts are positioned affects engine torque, torque curves can be adjusted or changed by placing the crossover ducts near one end of a housing which is placed in the exhaust system and which can be reversed, end-to-end, to position the crossover ducts nearer to or further from the engine.

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