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This P-51 Mustang replica flies with a Honda Odyssey engine

The legendary WWII P-51 Mustang fighter ranks right up there with hot dogs, baseball, and apple pie. So sought after is the original Mustang that one of the 200 or so airworthy P-51s left will run you at least $1.5 million. That's why there's a thriving replica market with three-quarter-scale aircraft like this Titan T-51D Mustang. It looks every bit the part until you crack open the cowling and find not a howling Rolls-Royce Merlin V12, but the V6 from the Honda Odyssey minivan. To be precise, the Titan T-51 uses Honda's J35A6 60-degree SOHC V6. It's one version of the ubiquitous J-series engine, found in the Odyssey minivan as well as the Honda Pilot. Other variations of the Ohio-built powerplant pull duty in the Accord and several Acura models. But why a Honda V6? Titan Aircraft president John Williams says the company began production of the T-51 with a Rotax 912F four-cylinder boxer engine, but its 100-horsepower output wasn't cutting it for customers. They wanted "more power and more noise." So the search began for a lightweight, easily-packaged V6, leading first to a Suzuki 2.5-liter with 160 hp. "Our guys still wanted more power, so the next choice was either going to be a Chevy V8 or a Honda V6. The Honda is a little bit lighter and from a V6 standpoint, it's a brute. In the Honda Pilot or the Odyssey, it's rated from 240 to 250 horsepower," Williams explains. Converting the V6 to an airworthy powerplant requires minor modifications, such as swapping the stock engine control unit (ECU) for an aftermarket one. Car-specific parameters for things like anti-knock sensing and rev limiters simply don't work well in the air. "You don't want your timing retarded when you're trying to clear a tree," Williams chuckles. With a hotter Acura camshaft and exhaust modifications, the naturally aspirated Honda engine makes about 300 hp in the T-51D, Williams says. The V6 mates to a custom gearbox designed to yield a 2-to-1 reduction for the propeller. Rather than the original Mustang's crankcase oil, the Titan's nosecase uses automotive gear oil. And while the engine can obviously use regular unleaded from any gas station, it runs well on the 100-octane low-lead aviation fuel commonly found at airports. The T-51 is a kit airplane that buyers can build themselves for less than $100,000. And like most kit manufacturers, Titan offers a builder-assistance program to help with assembly.

Snapshots from Acura NSX prototype run at Mid-Ohio

Acura's achingly slow showing of the new, hybrid NSX saw yet another step yesterday, as we reported late last week. A powder-blue prototype ran ahead of the open-wheelers at the Honda Indy 200 at the Mid-Ohio Sports Car Course. Why show the NSX Prototype at Mid-Ohio? Honda's Ohio research and development center, which has taken the lead on NSX development, is just 60 miles from the track. And as race sponsor, Honda must have figured it would give the spectators a glimpse of the new supercar it's been teasing for the better part of a decade.
With a planned launch in 2015 (special emphasis on the "planned" part, considering the NSX's history), the NSX Prototype shown here sports graphics that "speak to Acura's intention to go racing with the new NSX." That's great news for fans of endurance racing, although it remains to be seen when a motorsports program for the new NSX will get off the ground.
Take a look at the fresh gallery of images, and be sure to head over to our original Mid-Ohio post for the video footage of the NSX Prototype on track.

Honda issues 'do not drive' order for older cars with recalled Takata airbags

Honda and Acura instructed owners of more than 8,000 cars built from 2001-2003 to park them until they can have their Takata airbags replaced as part of the ongoing global campaign to eliminate millions of deadly inflators. Honda says the "Alpha" generation Takata inflators can fail at rates as high as 50%, causing potentially fatal injuries from flying shrapnel in the event of a collision.  Honda and Acura models with the "Alpha" generation Takata airbags include:  2001-2002 Honda Accord  2001-2002 Honda Civic  2002 Honda CR-V  2002 Honda Odyssey  2003 Honda Pilot  2002-2003 Acura 3.2 TL  2003 Acura 3.2CL "Approximately 8,200 Honda and Acura vehicles with the most dangerous airbags are still being driven today. Honda has replaced or accounted for more than 99% of Alpha inflators, but it is absolutely critical that these remaining vehicle owners act now to protect themselves and their loved ones," Honda's announcement said. "These vehicles are 20 to 22 years old now, and the risk to vehicle occupants is dire. Alpha air bags are some of the oldest under recall, and they have a 50% failure rate. If the inflators rupture, the metal fragments ejected toward the driver’s face could kill or leave them with devastating, life-altering injuries." Honda and Acura are far from the only brands whose models were built with defective inflators. A campaign has been underway for the better part of a decade to replace millions of the devices worldwide as drivers continue to die from injuries caused by exploding inflators.  All such repairs are free of charge to customers. Acura/Honda Customer Service can be reached at 888-234-2138 or by visiting their Takata website.   Recalls Acura Honda Ownership Safety Takata airbag recall