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Can't disagree on the rpm drop, still the guys who spent billions on engineering put them in their red two seat flagship. Can imagine though that the 1st gear ratio of the 200 will work better with a nitrous shot. Next question will be which internals can handle it better. Both are quit fragile...

Yep, I know that 4l80e would be the most logical and cost effective option. Just looking if someone can convince me into taking the hard way, then especially why... Don't follow your reasoning on 200 - 700 comparison though. Both need some serious upgrades/money to make them work at that level...

Ok, curious what the consensus will be... Got 2x 200-4R, 2x th700 and 2x 4l80e including stand alone computers in my shop. Been rebuilding GM transmissions semi professionally for past few years. Got a 200-4R behind a customers 468 stroker running healthy after 3 years, so building one up to...

Got problems with TC lock-up (not present). Air checked hecked the solenoid (OK), air checked the 4th gear pressure switch (holds air). Third VB for different reasons (EA works like a charm, so I assume for now it's OK). New TC has been cut open and checked, so I assume it's OK. Bowler l/u...