4L60E switch to a T400
01-13-2007, 08:15 PM
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4L60E switch to a T400 Is there a link or a how to on doing a swap to a T400 and what componets you need. to make the change over and who as the best t400 for the money. thanks guys
01-14-2007, 11:06 AM
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Yea all i had to do was buy a 6 speed crossmember from the dealer and then the transmission. it bolted right in the only other things that need to be done is different driveshaft and you might have to shim the transmission with some washers.
cheapest place for crossmember (800)362-9494 like $30
cheapest place for crossmember (800)362-9494 like $30
01-16-2007, 07:38 PM
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i just made the swap from t56 to th400 i know there are some differences but the easiest way i found was yanks yc103 it is a crossmember that mounts your torque arm also fitting the th400 perfect, speedo problems? order an auto gauge speedo with the cable fitting th400 mounts like a tach, the sticky up top i think says something about a shifter for an auto i used a b&m ratchet shifter out of my buddies truck, i am using a set of 3.23 rear gears and it feels great, my driveshaft was 44 1/2 inches long yours may differ but probably not much. local driveshaft built it for $247, the crossmember was $275 overnighted. any questions ask and i'll help you find it, i did alot of research before i did my swap