Perma-Cool, the cooling company that started in the early ’70’s as an off road aftermarket oil cooler company, is now an industry giant that provides cooling products for everything from earth movers to Indy Cars. Mike Murphy from Perma-Cool explained to us at the 2009 SEMA Trade show that Perma-Cool’s engineering and design department is completely CAD/CAM based as well as the tool and die shop. The CNC production line finalizes the finished product under a tight quality control computer based manufacturing process.

According to Murphy, Perma-Cool’s cooler design incorporates fins inside the cooler lines to blend the hot oil with cooler oil inside of oversized tubing for ample oil flow. Murphy explained in an ordinary oil cooler, the oil flows straight through tubing without interruption. The oil nearest the wall of the tubing becomes "cool" and sluggish, while the oil near the center remains "hot" and thin. The cooler outter layer of oil serves as an insulation for the inner hotter oil and the thin, freely flowing oil at the center passes through the coil without the full advantage of heat exchange with the tubing. Simply stated, ordinary coolers are designed to get in their own way.

To prevent the convention problem inherent in these types of coolers, Perma-Cool coolers incorporate the patented Turbulator fins to "mix" the hotter and cooler oil with oversize tubing to insure ample oil flow. The result is a design that takes full advantage of heat exchange with the coil and prevents stalling of the oil flow while providing more of a temperature drop.

The highlight this year’s SEMA show for Perma-Cool is their Aluminum Competition coil. Perma-Cool's all aluminum tube and fin style competition coolers feature 5/8" tubes with Turbulator fins. Side-by-side entry and exit ports with 1/2" NPT fittings on most models. Featuring thermally cured aerospace epoxy construction the Perma-Cool aluminum competition coil is designed for torturous motorsport applications. All coils are 100% pressure tested to 300 p.s.i.

Features of the Aluminum Competition Coil:
  • Continuous loop double row design

  • Lightweight all aluminum construction

  • Produces maximum heat rejection in low air flow environments

  • Can be flushed and reused

  • Ideal for all types of fluids

  • Lifetime Warranty

The Aluminum Competition Coil is available for the following applications:

100-300 Horsepower

Four pass coil for engines from 100-300 horsepower. Flows 3-10 GPM

3/8" NPT(int) fittings. Coil size: 3" x 3-3/4" x 12"

300-450 Horsepower

Six pass coil for engines from 300-450 horsepower. Flows 3-14 GPM

1/2" NPT(int) fittings. Coil size: 3" x 5-3/4" x 14"

400-550 Horsepower

Eight pass coil for engines from 400-550 horsepower. Flows 4-14 GPM

1/2" NPT(int) fittings. Coil size: 3" x 7-1/4" x 14"

500-700 Horsepower

Ten pass coil for engines from 500-700 horsepower. Flows 5-16 GPM

1/2" NPT(int) fittings. Coil size: 3" x 9" x 14"

650-1,000 Horsepower

Twelve pass coil for engines from 650-1,000 horsepower. Flows 5-18 GPM

1/2" NPT(int) fittings. Coil size: 3" x 10-3/4" x 14"

For more information on Perma-Cool's Competition Coil and other products, visit their website at

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