The 200's are the same length as the short tail TH-350's. The mount is further back, but they take the same yoke, cooling lines are close, as is the shifter location. They are pretty much a direct bolt in replacment for a TH-350.
The torque converters will NOT interchange, and the 200's used L/U converters from the factory.
We set them up for non-L/U converters if being retrofitted into older vehicles. The TCC can be used, but we highly recomend routing the voltage to the TCC thru a vacuum switch hooked to a ported vacuum source, thru the L/U solenoid, then grounding it on a 4th gear pressure switch. This will only allow the TCC to engage in 4th gear at light throttle. Any heavy/full throttle, or shifting out of 4th gear will unlock the TCC......Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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