Thread: Which is better?

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Originally Posted by rspears

One of the shops here had a Z06 'vette that was cranking out some massive rear wheel HP a couple of years ago - the customer simply gave the order that he wanted to beat his brother's best time in the 10's. They had to beef up the tranny to take the power, but as I recall the rear end was OK. That thing was wicked!!

That would be the new style with the trans in the back, right???? (Gotta remember, I ain't no chebby guy!!!!!)

Originally Posted by Dave Severson

That would be the new style with the trans in the back, right???? (Gotta remember, I ain't no chebby guy!!!!!)

Yeah, a trans-axle unit. From Wiki -

The Z06 utilizes the specially built M12 6-speed manual transmission. While outwardly similar to the base-model MM6 manual transmission, the M12 transmission is unique to the Z06, and not available on other Corvettes, i.e., coupés and convertibles. The M12 has more aggressive gearing to increase torque multiplication in most forward gears, allowing for more rapid acceleration and more usable torque at higher speeds. A transmission temperature sensor was added to protect the M12 from higher thermal stresses. The sensor warns the driver, via the Driver Information Center, with a "TRANS OVER TEMP" message if transmission temperatures approach their operating limits, and which could lead to damage if the transmission were not allowed to cool down. As with all C5 Corvettes, the transmission is located toward the rear of the vehicle, as a rear-mounted transaxle assembly. This allows a better overall weight distribution for the vehicle, as the weight of the transmission offsets some of the weight of the forward-sitting engine.

I've sent a message to one of the young guns that ran the shop to see if they did anything to help the rear end survive, and asking what RWHP they were seeing. He may not get back to me for a while as he follows his own internal drummer on things others ask about....

Originally Posted by rspears

I've sent a message to one of the young guns that ran the shop to see if they did anything to help the rear end survive, and asking what RWHP they were seeing. He may not get back to me for a while as he follows his own internal drummer on things others ask about....

Dave, the Z06 ran in the 10's and they had Driveshaft Shop axles, and the IRS brace from RPM transmissions.