Xtreme Honda B-Series Engines HP1552 by Richard Holdener

Author:Richard Holdener
Language: eng
Format: epub
Publisher: Penguin Random House LLC
Published: 2010-03-01T05:00:00+00:00

To illustrate just how much power was available from the Edelbrock turbo kit, we ran the B16A in normally aspirated trim prior to the installation of the turbo kit. On the engine dyno, the NA B16A produced 178 hp and 128 lbs ft. of torque.

The turbo kit from Edelbrock featured a GT28RS turbo from Turbonetics fed by a cast exhaust manifold. The system even featured a watercooled center section to improve turbo life. This GT28RS was able to nearly double the power output of the B16A.

TEST 2: B16A NA VS. EDELBROCK TURBO (10.7 PSI)

Anyone who thinks there is no replacement for displacement has obviously never driven a turbocharged B-series Honda. When it comes to making serious power gains, nothing compares to the turbo system. Improving the torque production of your B16A is a simple matter of combining that wonderful B16A VTEC head with a larger displacement short block. Top off a B18A or even B20A and create a low-buck combination that will out-perform a Type R motor, but even that LS/VTEC hybrid can’t compare to the results of adding even a small turbo kit to your existing B16A. Obviously the ideal combination would be the big motor and the turbo kit, but if you have to choose between an all-motor build up and boost, always choose the boost. Once you go forced induction, you will never want to give it up.

To illustrate what is possible by adding a small turbo to a B16A, we tested the Edelbrock turbo kit on an otherwise stock B16. The B16 was first run on the engine dyno in normally aspirated trim. Equipped with a header, air intake and tuned to perfection with Hondata, the normally aspirated B16A produced 178 hp and 128 lbs-ft. of torque. Adding the turbo kit from Edelbrock improved the power output from 178 hp to 318 hp. The Edelbrock kit relied on a GT28RS turbo from Turbonetics along with a front-mounted air-to-air intercooler. The small T3/T4 hybrid turbo offered good boost response and plenty of power. In fact, after installing a set of adjustable cam sprockets and upping the boost pressure to 14 psi, this Edelbrock turbo kit produced 357 hp. In addition to the impressive power, the turbo kit also featured a watercooled center section to prolong turbo life, an internal wastegate and cast manifold and down pipe. The castings improve turbo response and last much longer than the typical tubular header. Try as you might, you’d be hard-pressed to exceed 300 hp with a normally aspirated B-series, but all it took was this turbo kit on a stock B16A.

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