A341 to A340??

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scandy001

New Member
I have an A341 in my sc400. They are hard to come by here and expensive... Well I think mine is about to crap out on me. My question is can a use an A340 out of any Lexus/Toyota if I swap the bell housing and tail housing? And if so would this be a smart move for me?
 
Yeah I see where the sc400/ls400 swap would be a breeze. But what if the A340 came out of another Toyota??? Have any experience with that?
 
I have an SC400 trans in my LS400... works like a dream. Any early autobox from an SC or LS will bolt right up w/ no modifications except for the speed sensor. David and I "frankensteined" my LS400 daily from a shell, an SC400 trans and a used craigslist 1uzfe and loom and I never got a CEL. The gear ratio's for the LS are wider than the SC and for a truck application you may consider changing the final drive to compensate. I know out in the states we can get an SC or LS trans used for around $150.


On a side note, my pops has a 2002 tacoma and I will verify it has the EXACT SAME plug locations/pins as my LS400 trans. Your plugs should fit perfectly, but have not tried to verify for sure. A little history of the A340 series of transmissions starts with the hilux and it was used in the Supra and later the Lexus line, all the same family of transmissions. In theory you could bolt this up w/o any moddimg but it would be the internal calibration that may mess with the ECU. Well worth the try, i would be interested to see if it works!

Sean
 
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Thanks for the help so far. Just a few more questions. I have an a340 from a 6cyl 4runner... Will the a340 torque con from the 6cyl work and line up with my starter?? And the tail is different on the a340 and looks like I may have to change the drive shaft to make it work :confused: Is there another driveshaft from a toyota/lexus that I can use in my sc400?
 


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