Web10 Jul 2005 · 1977 C20 Silverado 454/TH400 3.73s 1989 Jaguar XJ6 in the middle of an LT1/4L60E swap ... shift points on the turbo400 have to be adjusted from either the modulator adjustment or the governor,with springs and weights.for the kickdown,check it out as longhorn man states,also have a circuit tester available to check kickdown piece … WebA Powerglide, TH350, or stock TH400 may be full with 9-10 qts on a fresh install, or in some cases it may take 15 qts. ... TH400/4L80 Band Adjustment. To check rear servo clearance …
Diagnosing GM Transmissions - Chevy Hardcore
Web1 Dec 2024 · Hi everyone. Is my understanding correct; in re. to a GM TH400 auto transmission, to set the shifts points under normal driving, adjustments are made with the … Web14 Apr 2011 · Your vac modulator is way out of adjustment, shifting way early and to soft. Take the vac hose off, insert a small standard screwdriver into the vac line hole, there is … charity shop rose hill oxford
Amazon.com: Th400 Governor
Web24 Mar 2011 · I've been trying to search for old threads on adjusting the governor, but just want to reconfirm... The car is a 70 Malibu with 383, 3000 stall, 308/318duration-488/510 lift cam, and a rebuilt 12 bolt that hasn't been broken in yet. I … http://www.ifsja.org/forums/vb/archive/index.php/t-188553.html Web11 Apr 2009 · There are kits available that will allow you to reprogram the governor, and this will probably be your best bet. the TH400 does not use a cable for kick down, rather an … charity shops aberfeldy