Quote:
Originally Posted by steve99
Cheapest Naturally Aspirated Power Gains
Approx Wheel Horsepower Gains over stock
Canned Tune Only petrol 10 wheel hp
Canned E85 tune on stock car aprox 20 wheel HP
Catless Header plus canned tune petrol 20 wheel hp
Catless header plus canned tune plus E85 fuel 30 wheel hp.
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More accurate estimation based on dyno day results:
Canned tune, petrol, stock header - +7kW (+10hp)
Canned tune, petrol, catless header - +11kW (+15hp)
Canned tune, E85, stock header - +19kW (+25hp)
Canned tune, E85, catless header - +22kW (+30hp)
That's provided your canned tune is good for the fuel you're running.