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About Level 10
Level 10 got started way back in 1971. Pat Barrett working out of the garage at his home realized early on the best way to go fast was to make the most of the available horsepower and the transmissions of the day just were not up to the task. He began experimenting with valve bodies and clutches and soon had a strong fast shifting slip-free Trans, and the word began to spread.
The reputation grew almost instantly and he opened his first shop in 1973, and made his hobby officially a business.
With his Transmissions now working the big problem became the torque converter, they just couldn’t take the power the race engines were making. Pats answer to this was to build a bullet proof TH-400 modified to use a clutch instead of a converter. Not satisfied He managed to modify a converter to handle the power and the racing world took notice.
In 1975 Pat was appointed director of the Automatic Transmission Rebuilders Association - Liberty States Chapter. This was nothing short of amazing for a two year old business.
Pats work slowly changed from the “standard” high performance Trans to ones that were custom tuned for specific vehicles. Then in 1992 Pat shocked the drag racing world with the first Buick Grand National to run seven second quarter miles.
In 1993 Pat was contacted by Bin Sulayem Performance, the largest aftermarket supplier in the middle east. He began producing special purpose transmissions to there specifications for the MBS Expeditions and continues this to this day.
In 2001 Pat stepped into the road racing world and once again set the standard when he teamed up with Lexus. He developed a manual shift automatic that won the Rolex Cup in 2002.
Level 10 is now the largest supplier of import valve bodies, and distributes to more than 30 countries. We have so many wins in so many different kinds of racing even we have stopped counting.
In 2003 we began development for diesel trucks, with proven packages now available to handle the ground shaking torque of these monsters.
That kind of innovation continues to this day with constant testing and improvement. Pat will never be satisfied, always looking for a little more speed, a little less friction, a little more strength, and better power transfer. And don’t forget the one who benefits the most from all this effort………… you !






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