http://www.transmissioncenter.org/compushift_4l60e_4l80e.htmYes the controller is expencive. a new transmission is more. how many times are you going to replace your transmission because it cannot hold the load your putting on it?
I was a builder for quite some time and the transmission i saw the most of was the 700r4/4l60e.
You CAN build a 700 that will hold what you want to throw at it if your REALLY easy on it for a while for about $2000. just make sure if you do go with a 700 that you adjust the kickdown cable right as this is the most common cause of premature failure.
a 700r4 is limited to hold about 450hp. they can be built to hold more but at a heavy cost and they are designed for drag racing, not constant towing. they are not ment to be used as frequently as it sounds like you want to use yours.
if the guy building your transmissions toomany3count and they only lasted 50k then he is not a builder, he is a backyard mechanic.
