Dyno - Civic/GSR hybrid

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Hondata, Inc.
2840 Columbia St
Torrance, CA 90503

  • This car, owned by Rocky Santa Cruz is a hybrid, consisting of a built GSR engine in a 2000 Civic Hatch. Its first successful pass consisted of 11.55@123 mph.

  • The specifications of this car are 8.8:1 compression with JE pistons. Head is B16A and intake is Type R. The turbo manifold is made by South Florida Performance. Fuelling is via RC 550cc injectors and Holly adjustable 1:1 fuel pressure regulator set to 55lb static.

  • The car made 405 hp at 18lb boost, but as we were running at the maximum duty cycle and fuel pressure it ran lean. For saftety we reduced the boost. This engine has a lot more potential with more boost, another 1000 rpm and bigger injectors. Look back here for an update once larger injectors are installed. Even with the 550 cc injectors the car was very streetable.

  • The tuning took about 40 runs and 4 hours on the dyno, tuning for part throttle, full throttle NA, and various boost levels. 10 of those runs could have been eliminated had we realised the VTEC cam was not switching due to faulty wiring. Once we fixed the faulty wiring, the power jumped by 95 HP.

  • By comparison a typical Haltec computer for this setup takes over double the time to tune properly. With good dyno time at over $100 per hour this is a significant saving. We have been told 140 dyno runs is fairly typical for a Haltech computer. With further software developments due soon, we expect to halve the Hondata tuning time to about 2 hours, making the Hondata the fastest and least expensive way to tune a Honda.

  • Unfortuently 385 hp proved too much power for the differential and driveshaft, which broke shortly after launching at the car's first race. Here is a video of the race.

 

 

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