"Nations Leader In Custom Building Turn-Key Performance Crate Engines Since 1978"

Toll Free: 1-800-267-3940 / International +1-732-462-7283

 

 

Proformance Unlimited Is Now Building Custom Air Boat Engines

For The New Revolution Of Air Boating

 

If Your In The Market For An Air Boat Engine, Pro-formance Unlimited Wants You To Know That We Are Committed To Designing You The  Ultimate Engine For Your Air Boat. Whether Your Air Boat Is Used For Racing, Pleasure, Fishing, Hunting, Or Law Enforcement. We Can Design The Ultimate Engine For Your Needs.

Which Style Engine Should I Use ? An Air Craft Engine Or An All Out Performance Automotive Engine?

While Aircraft Engines Produce Alot Of Low RPM Torque They Are Very Expensive To Buy. An Automotive Engines When Designed Correctly Can Achieve The Same Torque With More Horsepower At A Higher RPM At a Fraction Of The Cost. Although Airboats Do Not Have Transmissions They Can Have Reduction Drives That Will Allow You To Run In The Automotive Equivalent Of 2nd Gear Rather Than 4th Gear. To Increase Power, A Reduction Gear is Used To Make The Prop Spin At A Lower Speed Than The Crankshaft. An Automotive Engine Often Produces It's Peak Horsepower At 5000 RPM. The Most Efficient Prop Speed Will Run Around 2500RPM.

We Recommend Any One Of The Following Engine Packages


350 Chevy Small Block With 335HP

Turn Key Drop In Ready Only $5,975

Highlights:

  • 350 335HP Full Roller

  • Edelbrock Aluminum Heads

  • Good Low To Mid  RPM Power

Engine Package Details   |  350 335HP Live Run Video

383 Chevy Small Block With 400HP

Turn Key Drop In Ready Only $7,200

Highlights:

  • 383 400HP 460 Ft. Lbs Torque Full Roller

  • Edelbrock Aluminum Heads

  • Good Mid to High End Power

Engine Package Details  |  383 400HP Live Run Video

383 Chevy Small Block  Stroker With 475HP

Turn Key Drop In Ready Only $8,050

 

Highlights:

  • 383 475HP 465 Ft. Lbs. Torque Full Roller

  • Edelbrock Aluminum Heads

  • Excellent Torque Good Power Through Out Power Band

Engine Package Details  |  383 475HP Live Run Video

383 Chevy Small Block Stroker With 500HP

Turn Key Drop In Ready Only $8,950

 

Highlights:

  • 383 500HP 480 Ft. Lbs Torque Hydraulic Roller / Forged Rotating Assembly

  • Edelbrock Aluminum Heads

  • Great Power Overall Power Band

Engine Package Details  |  383 500HP Live Run Video

454 Chevy Big Block With 550HP

Turn Key Drop In Ready Only $10,350

Highlights:

  • 454 550HP 600 Ft. Lbs Torque

  • Edelbrock Aluminum Heads

  • Broad Power Band With Very Strong Torque

Engine Package Details  |  454 550HP Live Run Video

502 Chevy Big Block

540 Chevy Big Block Stroker With 650HP

Turn Key Drop In Ready Only $12,750  

Highlights:

  • 540 650HP 705 Ft. Lbs Of Torque

  • Edelbrock Aluminum Heads

  • Broad Power Band With Very Strong Torque

Engine Package Details  |  540 630HP Live Run Video

 

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Call Toll Free 24 Hrs.  1-800-267-3940

International +1-732-462-7283

Fax 1-732-462-7202

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