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Switch Pitch converter - Hot Rod Forum
https://www.hotrodders.com/threads/switch-pitch-converter.153509/
Joined Nov 14, 2002. ·. 10,109 Posts. #7 · Feb 16, 2009. Only show this user. I had a switch pitch T-425 trans axle in my 1970 FWD Chevelle. I used the smaller ST-300 converter in the trans axle , small block chevy engine adapted . There are still some parts out there for them.
Switch Pitch Convertor. . . . who makes em? | Team Chevelle
https://www.chevelles.com/threads/switch-pitch-convertor-who-makes-em.59827/
Matt, the only way to have a switch pitch convertor is with a turbo 400 or 350. No overdrives. However, they are a viable alternative with motors exceeding 550 ft. lbs of torque. Here's the people that build and sell. (scroll down) Read all of the info on the switch pitch convertors. Interesting reading. http://www.paeenterprises.com/paeframe.html
Switch Pitch Converters | Team Chevelle
https://www.chevelles.com/threads/switch-pitch-converters.316336/
Kenne-Bell Switch Pitch Converters The Switch-Pitch Kings Had a Kenne-Bell switch-pitch Turbo 400 behind an LS-6 '70 in 1975! (Kenne-Bell had some hellacious ... Bench Racing Performance Engine Body Shop Chevelle Tech. Recommended Communities. Pirate 4x4 Forum 356K+ members. Hot Rods 185K+ members. Audi Q2 Forum
GM THM300, Switch Pitch Torque Converter (1964 - 1969)
https://kctransmissionparts.com/Torque-Converter-Specifications?AID=1137
Performance Converters are a must Have for any vehicle that demands more than regular use. Towing and hauling we have you covered! See More. Industrial. ... 1964 - 1969 GM Torque Converter (THM300, Switch Pitch Transmissions) PNH Number: 4501, Years: 1964 - 1969 . Make / Model: General Motors - 6 cyl. BPO
Explain the Switch-Pitch Torque Convertor for me? - Forums
https://forums.aaca.org/topic/105155-explain-the-switch-pitch-torque-convertor-for-me/
I believe the later THM400 Switch-Pitch converters (the 1965 era) would go up to about 2.6 with their torque ratio. The Buick name for the SW THM400 was something like "SuperTurbine 400" and, similarly, SuperTurbine 300" for the two-speed automatic they used back then which also had a switch-pitch torque converter.
school me on GM ST400 switch pitch converters and transmissions
https://www.jalopyjournal.com/forum/threads/school-me-on-gm-st400-switch-pitch-converters-and-transmissions.578904/
The car was faster but not as quick with the switch pitch. It was a 3300 lb Tempest with 455, ran 11.70 @ 121 mph every weekend for years. There were two different converters, one was a little looser then the other, sorry I don't remember which cars they came from. We used to get parts from A & Reds out of Wichita KS.
Itching for a Switch Pitch Transmission - Buick …
http://www.buickperformanceclub.com/switchpitch.htm
The name switch pitch comes from the vanes in the torque converter being able to change their angle (pitch) in order to reduce friction (force) and get the vehicle moving. This would be similar to somebody trying to start pedaling a ten speed in 10th gear versus 1st or 2nd gear.
Switch pitch transmission | Turbo Buick Forum - T-Type
https://www.turbobuick.com/threads/switch-pitch-transmission.144848/
You can control the stall by a switch. I was told that 700 HP and 800 ft lbs of torque have been used with this system and they have had great results. I thought that this would be a way to have your cake and eat it too. The conversion kit cost is $249.00 for pump, input shaft solenoid and switch. The converter cost is $359.00.
General Motors SWITCH PITCH Torque Converters
https://gopnh.com/General-Motors-Transmissions/SWITCH+PITCH
We are here to help! Get in touch with our Contact page or call us at: (800) 654 1220. Precision Part Number: 4501 ( Part#: 4501 ) Manufacturer. General Motors. Years. 1964 - …
Switch Pitch Converters?? | Team Camaro Tech
https://www.camaros.net/threads/switch-pitch-converters.200759/
Does anyone still sell or modify TH425 switch pitch converters? I bought a setup from Darrell Young's Racing Transmissions a while back and he has since closed and cannot locate a seller or shop who could rework my converter? I found PAE in Texas, but they appear closed too? I am just looking for a 3000 stall unit. Help anyone
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