SPEED-PRO PISTON RING TECHNOLOGY - Federal …

1 Comment: SPEED-PRO PISTON ring TECHNOLOGY Federal -Mogul Document #1204 SPEED-PRO PISTON Rings have been the racers choice for over 30 years. They dominate the industry with technically advanced design, dedicated research, and superior quality. PISTON rings don't "make" horsepower - they prevent it's loss. They do this by controlling and minimizing cylinder leakage under true operating conditions, and by keeping oil, which can cause detonation, out of the combustion chamber. Both top and second rings are available in "file-fit" versions, which allow the engine builder to tailor the critical end gaps to the specific needs of their application. Our famous SS-50 oil ring is the absolute best design for controlling oil, and is available in low tension versions for increased horsepower potential.

2 Current racing trends have focused on lowering ring thickness and weight, and on reducing the oil ring tension in an effort to minimize cylinder wall drag. SPEED-PRO PISTON rings deliver reliable sealing and dependable performance under grueling race conditions every weekend, on oval tracks and drag strips world-wide, Put our performance heritage, racing experience, and engineering superiority to work in your car! Top ring Reliable compression sealing, maximizing power output, and controlling "blow by" are the responsibility of the SPEED-PRO top ring . SPEED-PRO top rings are manufactured from high strength ductile iron with an exclusive Plasma-Moly facing, for instant seating, superior cylinder sealing, and optimum durability.

3 The inherent strength of our material allows these rings to maintain sealing integrity at extreme pressures and RPM. We supply rings in all popular widths, including , , .043, 1/16, and 5/64, as well as in pressure back "Dykes" styles. Second ring Sealed Power second rings are manufactured from SAE -J929a iron, providing excellent durability and oil control. The primary function of the second ring is oil control, our tapered face design allows this ring to work as a "scraper", reducing the potential for oil migration into the combustion chamber. The race proven "open" gap design intentionally allows an escape path for any residual combustion gases, reducing interring pressure and keeping the top ring seated against it s groove.

4 Without this escape path, trapped pressure will unseat the top ring causing ring flutter and reduced cylinder sealing at high RPM. Additionally, a fluttering ring can't transfer heat away from the PISTON to the cylinder wall. This can result in PISTON overheating, top ring groove "pound-out", ring side wear and scuffing. Our one piece second rings are far more effective and reliable than are competitive designs that attempt to retain combustion pressures lost through ineffective top rings. Beware - Cylinder leakage tests are steady state - they do not account for time, PISTON movement, or true operating pressures.

5 Multi-piece compression ring designs add unnecessary weight and complexity, neither of which will make your car faster. Puzzles and gimmicks make for good advertising, but true race winning performance is the result of research and testing. SS5OU Oil Control ring Our famous SS-50U stainless steel oil ring is the absolute best design in the industry for controlling oil. The SS-50U oil rings have a sturdy box-like construction to eliminate oil ring flutter and deformation in high engines. SS-50U expanders are manufactured from electro-polished stainless steel for a smooth, corrosion resistant surface. 1 2 SPEED-PRO PISTON ring TECHNOLOGY (cont'd) Our rings do not depend upon ring groove contact for tension.

6 The unique design allows the rings to maintain constant pressure under high heat conditions and to conform to worn or out of round cylinder bores. Chrome plated oil rails are pre-seated at the factory, delivering instant oil control upon engine start-up. Standard tension oil ring assemblies are engineered to provide maximum oil control for virtually all engines. They maintain constant contact with the cylinder wall and provide excellent drainback path for the removed oil. Low tension SPEED-PRO oil rings are offered for increased horsepower potential. They reduce internal engine friction while affording positive oil control in racing applications.

7 Oil rings with further reductions in tension are available for use with crankcase vacuum systems. Pro-Series ring Sets Professional racing trends have focused on lowering ring thickness and weight, and on reducing ring tension in an effort to minimize cylinder wall drag. Pro-Series ring sets are designed for serious racing, and offer several features which maximize horsepower potential. These rings are not recommended for street use! Pro Series sets incorporate reduced radial wall thickness top and second rings for lower tension and enhanced sealing. They also include a very low tension, thin profile version of the SS50U, which includes a wire latch mechanism to simplify installation.

8 This ring combination gives dependable sealing and allows maximum power production. More races have been won with our rings than with all others combined. No other supplier can offer the horsepower, oil control, and durability we engineer into every set. If you want to join the winning team choose SPEED-PRO !