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SEMA 2010: Honda HPD CR-Z Racer Gets a Turbo and Push-to-Pass Hybrid Boost

Technically the SEMA Show doesn’t start until tomorrow but thanks to our spies inside we have these snap shots of just what potential Honda‘s new CR-Z has. The Honda Performance Development CR-Z Racer looks like a true racing machine and likely is with a fully stripped-down body, a lowered suspension, functional aero and some big 17-inch wheels with meaty racing slicks.

But the truly exciting mods are found under the hood, where Honda strapped a Borg Warner turbo to the 1.5-liter 4-cylinder to pump out 175-hp and 155 ft-lbs of torque. But that’s not all, Honda also rejigged the Integrated Motor Assist hybrid setup to produce added power that’s available with a Indy Car styled push-to-pass button. When pressed, the CR-Z makes a total of 200-hp and 175 ft-lbs of torque.

Other mods include an LSD and some big brake upgrades.

Hopefully Honda is serious about taking this car racing and we’ll be at the press conference tomorrow to find out.

Article and Picture Found At: SEMA 2010: Honda HPD CR-Z Racer Gets a Turbo and Push-to-Pass Hybrid Boost | AutoGuide.com News
 

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But the truly exciting mods are found under the hood, where Honda strapped a Borg Warner turbo to the 1.5-liter 4-cylinder to pump out 175-hp and 155 ft-lbs of torque. But that’s not all, Honda also rejigged the Integrated Motor Assist hybrid setup to produce added power that’s available with a Indy Car styled push-to-pass button. When pressed, the CR-Z makes a total of 200-hp and 175 ft-lbs of torque.
and my favorite part is bolded... just knowing that Honda is the one working on this is good news to me...

i'd be more than happy with that turbo on there and making that power as a DD... but the added "KERS" feature is just icing on the cake!!
 

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read this on Insideline.com... apparently this "HPD" and the Red Hybrid-R are the same except this one is created for racing while the Hybrid-R is more of a show/production kind...

Insideline.com said:
You won't a find a "hybrid delete" option on these Honda CR-Zs, but you will find a turbo kit. Or, rather you would, had the Honda Performance Development (HPD) engineers been ready to open the hood today at the SEMA show. The turbocharger (it's evidently located right near the firewall) and its associated plumbing are not yet ready for our eyes, we were told.

So what's the deal with these cars? Well, the HPD engineers like to go racing, and they built up the white car (the CR-Z Racer) to race at the 25 Hours of Thunderhill in Willows, California, next month. A Borg Warner dual-ball-bearing turbocharger and an all-new nickel-cobalt-magnesium battery pack help the racecar to 200 hp and 175 pound-feet of torque -- up from 122 hp and 128 lb-ft on the stock CR-Z. The red car (the Hybrid R Concept) has the same setup but is done up more like a traditional SEMA showcar, with a hood scoop and graphite-finish wheels.

HPD engineers tell us the NCM battery pack was selected for its greater energy content; it provides 25 hp -- about double what the CR-Z's stock NiMH batteries contribute. Evidently, this type of battery is also better able to support quick charge and discharge -- as you would get on a racetrack where there are rapid and frequent transitions between full throttle and full braking. Honda also swapped in a different inverter. Additional cooling was a must with the shift in focus from fuel economy to track use, so the battery pack and inverter are liquid-cooled, as opposed to air-cooled as on the stock CR-Z.

Another key change is the "on-demand" nature of the electric assist. Instead of it kicking in automatically as in normal production hybrids, the driver controls it by pressing a button on the steering wheel. It's hard to conceive of a driver ever being given that much control in a production version, but hey, it's like a sport button, no? The stock six-speed manual transmission carries over to these cars, but gets a performance clutch.

A limited-slip differential from HPD's Civic parts bin has been fitted up front, as has every bit of suspension and brake hardware. We couldn't wrest a 0-60 claim/estimate/boast, but we're told the Racer (white car) will pull 1.4g (it has 225/45R17 BF Goodrich g-force RI Track & Competition tires)
 
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