Popular articles

Probably every transmission repair specialist was keen on LEGO constructions or at least enjoyed making some minor things with their hands. Here's the game taken to a new level of creativity!

Modern auto industry is full of sophisticated drivetrain technologies which are supposed to make your driving experience even more pleasant and trouble-free. Despite a great abundance of sophisticated technical solutions, it is highly likely that very few people know a transmission solution operating like a manual CVT.

Over recent years engineers developed a lot of gear shifting solutions for different car brands, which may seem a bit unusual for oldtime drivers. In this article we will review the most peculiar gear stick technologies and provide video materials related to these technologies.

Only few people know about transmission concepts which were popular 70-90 years ago. For men of today, these gearboxes may seem very unusual and weird, but even now some gearboxes that date back to those years are quite competitive in comparison with modern transmissions.

Nowadays Extroid CVTs are commonly known as “toroidal” due to the fact that the working surface of driving and driven discs in this transmission has the form of a torus. Extroid CVT is not a V-belt transmission, but a friction drive CVT.

ProTorque Provides New U9 Torque Converter


ProTorque Provides New U9 Torque Converter

ProTorque Performance company has recently unveiled its newly made torque converter, which will become an excellent addition to the company’s product portfolio. Designed specifically for 1,000-2,000 hp street cars as well as for racing cars, especially drag racing, the new U9 torque converter can find application in GM TH350/TH400/Powerglide 30-spline transmissions.


Check out how the U9 torque converter is produced


Developed on the basis of extremely popular Revolution series converters, the U9 unit is another step forward in creation of efficient transmission components highly-anticipated in the world of motorsports. ProTorque initially designed the U9 unit as a successor of conventional converters applied in racing transmissions during the last 50 years. After thorough testing, ProTorque engineers noted that its new product has greater operational characteristics than any of its previous torque converters and it is ideal for the 1,000-2,000 hp range. In terms of dimensions, U9’s are bigger than conventional “8” Series converters and smaller than “9” Series converters, but still are capable of providing much better performance.


The U9 solution ensures enhanced level of flash stall, which has a positive impact on the acceleration potential of a vehicle. Thanks to the use of advanced materials, the new converter is designed to be extremely durable yet incredibly lightweight. ProTorque continues to expand horizons of new technologies for racing cars and unleashes the full potential of converters in affecting the gear shifting capacity, and the new U9 series turned out to be a perfect combination of positive experience of the past and innovative technologies.


Learn more about ProTorque Performance Products


Thanks to almost 2 years of rigorous research, design, through testing and modifications, ProTorque’s achieved impressive results. Because of the wide range of application of the U9 unit, teams of different racing classes can use this great transmission component for breaking records and winning championship titles. ProTorque’s U9 series converters have already hit the market and prices range from $1,799 USD for a weld-together unit to $2,999 USD for the aluminum bolt-together version. This product is expected to become a difference maker on the race track for any racing team.

Popular articles

Probably every transmission repair specialist was keen on LEGO constructions or at least enjoyed making some minor things with their hands. Here's the game taken to a new level of creativity!

Modern auto industry is full of sophisticated drivetrain technologies which are supposed to make your driving experience even more pleasant and trouble-free. Despite a great abundance of sophisticated technical solutions, it is highly likely that very few people know a transmission solution operating like a manual CVT.

Over recent years engineers developed a lot of gear shifting solutions for different car brands, which may seem a bit unusual for oldtime drivers. In this article we will review the most peculiar gear stick technologies and provide video materials related to these technologies.

Only few people know about transmission concepts which were popular 70-90 years ago. For men of today, these gearboxes may seem very unusual and weird, but even now some gearboxes that date back to those years are quite competitive in comparison with modern transmissions.

Nowadays Extroid CVTs are commonly known as “toroidal” due to the fact that the working surface of driving and driven discs in this transmission has the form of a torus. Extroid CVT is not a V-belt transmission, but a friction drive CVT.