Quote:
Originally Posted by '68OrangeSunshine
I've heard 700-R4s are tricky. Even more so, a computerized successor in an analog truck.
I have thought about a stoutly-rebuilt TH700-R4 to replace the TH350 in White Fang, my '67 K/10 Suburban, but that's a long way off.
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It was a fair amount of work to get the torque converter lockup to work to my liking. I tried various combinations of vacuum switches and time-delay relays, but ended up building an Arduino-based electronic controller for it based on speed and manifold vacuum level. It is documented in this thread:
https://67-72chevytrucks.com/vboard/...d.php?t=822382