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The 6 speeds are pretty tough. One of my customers has been pounding on his LBZ for about 14K miles and has the Diablosport downloaded on it. No slip, no limp, just good mileage and lots of power. He's got a few little trans upgrades waiting to go into his VB here soon when we change the trans over to Amsoil. He wants to do a lift before the transmission.
 
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