Page 272 - 2018 Racecar Engineering Open Wheel Parts and Accessories Catalog

“Shark Tooth Pump”
Select Performance Oil Pumps Improved the heart-beat of the traditional internal gear
Select Performance pumps have hardened pump. It is now significantly smoother through the
steel gears and cast, manganese phosphate use of new helical asymmetrical gears. The new
coated housings. Some race versions have machined gear design provides the engine with an improved
grooves to reduce cavitation at high RPM (grooves flow of oil without the usual pulsing found in tradi-
slightly reduce pressure at idle). Small block Chevy tional gear pumps. The reduction in the pressure
pumps include intermediate shaft. ripple from the pump will also provide benefits to the
distributor and camshaft drive.
Anti-Cavitation
Volume Inlet Shaft Pick-up Grooves SMOOTHER
Part No. Increase Dia. Support Screen (Race Only) • Significant reduction in pressure ripple (pulsing)
Small Block Chevy 265-400 • Reduction in torque ripple in pump drive
MEL10550 25% 5/8" None Press-In None • Improved distributor operation - reduction in spark scatter
MEL10551 25% 3/4" None Press-In None • Improved distributor gear wear & intermediate shaft wear
MEL10552 10% 3/4" Yes Bolt-On None
MEL10552C 10% 3/4" Yes Bolt-On Yes TIGHTER
MEL10553 0% 5/8" None Press-In No • Improved sealing of gear tips to housing
MEL10554 0% 3/4" None Press-In No • Reduced internal leakage
MEL10555 25% 3/4" Yes Bolt-On None • Improved efficiency and performance
MEL10555C 25% 3/4" Yes Bolt-On Yes QUICKER
• Increased inlet vacuum
SB Chevy Billet Aluminum • Primes faster
Description
Circle Track Racing Oil Pumps Part No. SB Chevy, 25% Additional Volume,
Rigid, billet aluminum housed oil pumps are MEL10550ST 5/8" Dia. Press Fit Pickup Screen
engineered to endure the rigors of circle track SB Chevy, 25% Additional Volume,
racing. Pumps are manufactured from 6061-T6 MEL10551ST 3/4" Dia. Press Fit Pickup Screen
aluminum that has been hard coat anodized for SB Chevy, 10% Additional Volume,
added durability, fitted with billet steel gears MEL10552ST 3/4" Dia. Bolt-On Or Press Fit Pickup Screen
and integrated pickup screen designed f MEL10555ST SB Chevy, 25% Additional Volume,
or use with 7" deep oil pans. Offered in standard or 3/4" Dia. Bolt-On Or Press Fit Pickup Screen
high volume versions, pumps are sold complete with chrome moly
steel drive shaft, stud kit and (2) relief springs.
Small Block Chevy Intermediate Shaft MELIS55E
Part No. Description
MEL10050ST-700CT SB Chevy High Volume Oil Pump, 7" Deep Oil Pan
SB Chevy Standard Volume Oil Pump,
MEL10055ST-700CT Stress proof steel shaft offers maximum strength, added durability
7" Deep Oil Pan
and includes a steel guide.
Stock Replacement Oil Pumps
Ev ery Melling oil pump is 100% pres sure test ed. Engine Blocks Sleeves
Idle and by pass pres sure are checked to guar an-
Overall Wall
tee workmanship be fore every oil pump leaves the Part No. Length ID OD Thickness
fac to ry. MEL590231 6.250" 4.020" 4.303" 1/8"
Standard High High MEL590261 6.250" 4.095" 4.378" 1/8"
Application Volume Pressure Volume MELCSL157 7.8750" 4.000" 4.1905" 3/32"
SB Chevy MELM55 MELM55A MELM55HV

Polishes, Waxes And Cleaners

PowerBall Polishing Tool
Polish aluminum billet and diamond plate as
well as stainless steel with the PowerBall.
Requires a 3/8" drill and compresses to
fit into tight spaces. Quickly and easily
polishes items to a show-winning finish,
especially those made of alloys. For best MTH05100 MTH05106 MTH06611
results, use with Mothers PowerMetal Part No. Description
aluminum polish. MTH05100 Mag And Aluminum Polish, 5 Oz.
Part No. Description MTH05101 Mag And Aluminum Polish, 10 Oz.
MTH05140 PowerBall Polishing Ball MTH05106 Billet Metal Polish, 4 Oz.
MTH05141 PowerBall Mini Polishing Ball MTH06208 Plastic Polish, 8 Oz.
MTH05146 Powerball Polishing Cone MTH06611 Touch Screen Cleaner
MTH05112 PowerMetal Aluminum Polish, 8 Oz. MTH15724 Speed Spray Wax, 24 Oz.
MTH16915 Speed Tire Shine
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