Melling has improved the heart-beat of the traditional internal gear pump. It is now significantly smoother through the use of new helical asymmetrical gears. The new gear design provides the engine with an improved flow of oil without the usual pulsing found in traditional gear pumps. The reduction in the pressure ripple from the pump will also provide benefits to the distributor and camshaft drive.

Introduction:

The Birth of the Shark Tooth Performance Pump

During its R&D phase the new helical asymmetrical gear project was code named the “Shark Tooth Pump” due to the appearance of the new helical asymmetrical gears. This is appropriate since these new gears are smoother, tighter and quicker than any other gear pump we have available. With a history of over 350 oil pumps that is saying something.

Benefits of Helical Asymmetrical Gears• Smoother….• Significant reduction in pressure ripple (pulsing)• Reduction in torque ripple in pump drive

• Improved distributor operation - reduction in spark scatter• Improved distributor gear wear & intermediate shaft wear

• Tighter….• Improved sealing of gear tips to housing• Reduced internal leakage• Improved efficiency and performance

• Quicker….• Increased inlet vacuum• Primes faster

70% Reduction in pressure ripple @ 6500rpm

Available in Three Configurations

• Stage 1• 10550S & 10551S

• New Cast Iron Housing & Cover• 25% Increase in Volume over stock• For 5/8” and 3/4” traditional press fit screens

• Stage 2• 10552S & 10555S

• New Cast Iron Housing & Cover• 10% & 25% Increase in Volume over stock• Patented design• ¾” traditional press fit & exclusive bolt-on screens

• Stage 3• Billet aluminum pumps for Circle Track and Street-Strip

• 6061-T6 Coated Billet Aluminum Housing & Cover• 25% Increase in Volume over stock• Patented design• Integral screen design

For Small Block V-8 Chevy Engines