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A A New Disc Brake Conversion
A Chrysler 426 and 440 Blocks
A Mopar "Cast Iron" Race Blocks
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A New Mopar B/RB Windage Tray
A New Mopar SB Cylinder Head
A New Trick Flow Mopar Head
Air Conditioning Custom Kits->
Automotive and Marine Covers
Brakes->
Carburetors->
Chrome Accessories->
Chute Kits->
Clutches->
Cold Air Kits->
Custom Hoods->
Custom Parts Development->
Cylinder Head Porting->
Electric Cooling Fans->
Electronics and Delay Boxes->
Engine Parts->
Engines->
Exhaust Components->
Exterior Vehicle Components->
Fasteners->
Fire Equipment->
Floor Mats->
Fuel Injection Systems
Fuel System Components->
Gaskets->
Gauges->
Gear Venders Overdrive Units
Ignition Components->
Lift Kits->
Lowering Kits->
Nitrous Kits->
Race Car Bodies->
Race Wear and Accessories->
Radiators and Components->
Rear End->
Roll Cages and Accessories->
Seats and Custom Interiors->
Shocks->
Spark Plugs->
SuperChargers->
Suspension Components->
Tech Help
Throttle Bodies->
Tires->
Traction Components->
Transmission Components->
  |_ FAST Transmission Controllers
  |_ QickTime Bellhousings
  |_ Torque Converters->
    |_ B&M Torque Converters
    |_ JW Torque Converters
    |_ Performance Automatic Converters
    |_ Precision Industries
    |_ Pro Torque Converters
    |_ SMR Torque Converters
    |_ TCI Torque Converters
    |_ Transmission Specialties
    |_ Turbo Action Torque Converters
  |_ Transmissions->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

Robert M.

John, Thank you for all you have done, From your previous email responses, you seem to be old school, a man of his word. Thanks again John for...
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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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Bill S.

Bill S.

Thanks John, 426 Hemi stroker 588 https://www.youtube.com/watch?v=1dJdt0ZFzjU
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Alan P.

First off, I just have to say that I have never came across a more stand-up guy that takes his time to connect with his customers and have the...
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Scot C.

Scot C.

Thanks for everything John. We will be doing business again. At Nationals 6.38 on a 6.54 dial in.
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Mike M.

John's very honest, something that's hard to find these days. This means he'll tell you the truth and you may not want to hear it. LOL. The best...
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Clay B.

Clay B.

Thanks for everything !
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Robert S.

Robert S.

Great parts and service! Robert
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Kris L.

John, Sitting in the car with a big smile on my face. Thanks for the quality brand products and the great price. Cheers Kris
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Daryl S.

Your 408 runs like a dream. I think we are well over the 400hp side, a new 300hp mustang could not overcome, it is a beast. I am very happy with the...
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Billy W.

Billy W.

Dakota R/T 408
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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Mitch C.

Awesome work! Glad I went with you guys! Anyone I know of that wants to build I'll send your way! Thanks John! Your the man!! Mitch
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Troy K.

Troy K.

Dodge Viper
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Ken L.

John, Thanks for all your help. I wish I had known about you before I ordered the rest of my stuff! Thanks, Ken
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Henry T.

Henry T.

HEY! Everything is installed and car runs AWESOME! Thanks for everything, Thanks again. Henry 2000 Dodge Viper R/T 10
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Ryan

bought numerous things and all transactions went very smooth. Responded to emails within a day or less. Ryan
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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David P.

David P.

Thanks for the brake lines !
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Darren B.

Darren B.

John,Racing flat out on the 440/533 engine over 1 season & 65 passes at 8.97@150mph 1.27 60' getting great results!!Engine is GREAT!Thanks mate!
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Maurice

Maurice

Maurice 73 Dodge Dart
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Performance Automatic Torque Converters

Torque converters are generally grouped by size (diameter) and stall speed. As the diameter of a torque converter decreases, the stall speed (RPM) goes up. Most factory torque converters are 12-13 inch in diameter and have a stall speed around 1600-1800 RPM. This promotes excellent fuel economy and drive-ability because they are specifically designed for these purposes. The problems arise when modifications are done to the fuel system, camshaft and other engine control systems. Smaller diameter converters are needed to provide more slip at idle. This allows engines with a lot of camshaft to idle better. As the torque converter and horsepower range is moved higher through the RPM range, the smaller torque converters with their higher stall speeds provide maximum torque multiplication where needed. Also the same torque converter will react differently when used behind different engines. So make your converter selection with the help of qualified personnel. Performance Automatic has endless converter combinations to make your car or truck perform at its utmost potential.

11" Converters
Built from racing traditions, our 11" converters are built to take the punishment. Fully furnace brazed with extra bearings and balanced to provide years of dependable service. This is the famous 11 inch converter that is our hottest selling street/strip converter. Designed to give approximately 1000 rpm stall over a stock converter, this unit will provide greater launch, and low end power. It is designed to withstand the punishment of full-throttle starts.


10" Converters

Performance Automatic has recognized the importance of building a full race, 10 inch converter that is affordable to all. Our 10 inch Pro Launch is designed to be used in conjunction with high compression, nitrous oxide, bigger duration cams, and stout gear ratios or supercharged and turbo applications. Stall speeds of 1000 to 2000 rpm over stock converters can be expected. Additional cooling is a must. These converters are just the ticket for street applications provided with proper cooling and gear ratios. Just bolt in and hang on!

9" Converters

Custom designed for better lock-up and MPH, our 9" delivers optimum performance with nitrous and blower applications. Torque monsters can also benefit from superior stator configuration and anti-ballooning plates. Very popular in True Street, this converter is a must for those who still take their race cars for an occasional cruise. A wide variety of custom stall speeds are all available.

8" Converters
If you want to reduce reaction times, this is the converter for you. Designed for full-throttle, transbrake, pro-tree operation; this unit will give you the edge over your competition. Tested and proven to be a winner, our 8 inch converter is designed for round after round of heavy competition, and Built To Win. A leader in 8 inch converter design, Performance Automatic employs the latest in construction techniques to provide the ultimate in performance, reliability, and consistency. A converter specification sheet should be filled out so that we may provide you with the best possible converter for your application. As always, we are available by phone for advice, or to answer any questions you may have.





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