TCI R / R4 Torque Converter Lockup Kit Universal Fully adjustable vacuum switch automatically locks and unlocks the converter.
FOR TORQUE CONVERTER LOCK-UP WITHOUT THE NEED OF A MOUNT THE VACUUM SWITCH IN THE ENGINE COMPARTMENT IN A. I added an adjustable vacuum switch to my r4 lock-up system.
It works just the way I want schematron.org under load and manifold vacuum drops. How to wire your R4 to lockup in fourth gear without a computer. Low- vacuum switch wiring harness - Junkyard donor truck or 2 slim female spade.
This easy-to-install lockup wiring kit for R4 and R transmissions from TCI ® including gasket, wiring harness, vacuum switch, 4th gear pressure switch.Buy TCI Lock Up Wiring Kit: Automotive - schematron.org FREE DELIVERY possible on eligible purchases. R4, Raptor Transmission from PATC, R4 4L60E 48RE 4L80E.
Mar 29, · The reason that you want the vacuum switch is that when you get on the throttle you want the torque converter to release the clutch so that the converter will multiply torque instead of just using the engine torque available. New GM R4 added the converter lockup to utilize the overdrive and help protect the new transmission.
Once you get it adjusted and set properly it locks up and unlocks as it is supposed to. R4 & R4 Lockup Kit. The R4 is a popular choice for a hot rod transmission.
Two benefits of the swap are the availability to add overdrive and a lockup torque converter to your vintage ride.Wiring a Lockup-Converter Pressure SwitchR4 LockUp wiring diagram - Hot Rod Forum : Hotrodders Bulletin Board