Modern Tunnel Ram Intakes For Big Block Chevys

Edelbrock IntakeOne sure-fire way to build an attention-grabbing engine–and also get incredible top-end horsepower numbers–is to use a tunnel ram intake. The problem with finding one out of a swap meet is it’s likely going to be decades old with old casting quality–and it’s probably been worked over and ported to fit a different set of cylinder heads. But Edelbrock has a new Victor Tunnel Ram intake manifold for big-block Chevy engines that should take care of all that.

The Edelbrock Victor Tunnel Ram is an updated design to the popular Victor Ram 2-R Tunnel Ram, which was first released over 35 years ago. It’s designed for use with 468-582 c.i.d. standard-deck Chevrolet V8 engines with conventional rectangular port cylinder heads. This new and improved design has seven inch long runners with close to 5.5 square inches at the plenum, making it 25 percent larger than the current Victor Ram 2-R Tunnel Ram base. It is available for both carbureted (#7085) and fuel injected (#70855) applications. The fuel injected version features EFI bosses that are placed higher up on the runner for maximum horsepower.

The Victor Tunnel Ram top (#7086) is for use with 4500 series carburetors and with the new Victor Tunnel Ram base manifolds only. It’s designed with larger openings to accommodate throttle bore sizes up to 2.31″ without modification and is wider to accommodate the larger runners in the new manifolds. A fuel rail kit (#3659) is also available and features ends that are machined for -8 AN fittings and have a black anodized finish. Fuel rails do not have any provision for a plug-in style fuel pressure regulator and the crossover line and regulator are not included.

Victor Tunnel Ram Details:

  • An updated design for modern big-block Chevy engines
  • Designed exclusively for 468-582 c.i.d. Chevy’s with rectangular port cylinder heads on standard deck blocks
  • Features new and improved 7″ long runners with close to 5.5 square-inches at the plenum
  • In testing, the new Victor Tunnel Ram made 47 hp over the Victor Ram 2-R and out performed the competition by 10 hp
  • Available for carbureted (#7085) and fuel injected (#70855) applications

 

For more information please visit www.edelbrock.com

About the author

PPN Editor

Power & Performance News is the source for news, tech and products that help you get more performance from your vehicle. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. Our acclaimed editorial staff covers all aspects of engine and driveline upgrades with a mission of presenting information that is both interesting and achievable for the “average car guy”.
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