Volume IX, Issue 7, Page 117

COMP Cams Aluminum Shaft Rocker Arms

Constructed from 2024 aluminum, these high-tech rockers ride on an 8620 hardened steel shaft and feature an efficiently designed oiling system that ensures consistent flow. Rocker arm ratios for these assemblies range from 1.5 through 1.7:1, depending on cylinder head application.

Installation of the COMP Cams shaft rocker system is generally a bolt-on process completed without machining; however verification of that fact should be completed when purchasing these assemblies as application requirements do differ slightly. For more information about ordering COMP Cams shaft rocker arm assemblies for your engine, or any other COMP Cams product, visit them online at www.compcams.com.

TCI 700R4 Constant Pressure Valve Body

In the past, the T.V. cable adjustment on GM 700R4 transmissions required near-expert mechanical abilities. Installation of the TCI 700R4 Constant Pressure Valve Body avoids common transmission destruction by maintaining at least 200psi line pressure at all times. While the T.V. cable still needs connection for proper operation, the Constant Pressure Valve provides more freedom when setting part throttle shift points. Line pressure is fixed with no chance of encountering a low line pressure condition.

For more information about the TCI 700R4 Contact Pressure Valve Body, or any other TCI product, visit them online at www.tciauto.com.

SREC ANTI-REVERSION SHEAR PLATES FOR BETTER POWER & MILEAGE

When valve overlap causes exhaust gas reversion into the intake manifold, this reduces the quality of the combustion mixture entering the combustion chamber causing a mixture that’s harder to ignite along with a slower burn rate. This can become even more of a problem in forced induction engine applications. The end result is less volumetric efficiency, which means reduced power output, lower mileage and increased emissions.

The use of SREC’s anti-reversion shear plate will minimize this effect as it uses the momentum of the reversion gas with the velocity of the incoming fuel/air mixture to shear raw fuel dripping from the carburetor base to enhance atomization.

Sonny’s Racing Engines & Components has a number of different style of anti-reversion shear plates with different bore sizes for both 2-bbl and 4-bbl carburetors for anything from a street rod on up to a Pro Stock application.

For more information, point your browser to www.SonnysRacingEngines.com

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