Someone on PY advised me about the 4L80 Gasoline vs Diesel converters. Luckly mine were from gasoline engines, not Diesels.
His point was that the Diesel converter likely has low stall speed, and likely a bummer behind a cammed gas engine. I think that would be correct. Who knows what the re-stall industry prefers for Cores..
Point here is My driving with the GM 4L80 gasoline converter is quite interesting: good idle and off-idle behavior. Very little slip at highway like 25 rpm unlock-lock at 75 mph with 2500-2525 rpm, yet pulls like a slingshot from 75-90 mph in OD, no downshift.
I can also pull-away in 2nd or 3rd gear, making the TH400 1st gear seem pointless, but I yea use 1st gear as a pleseant reminder. No 60foot eval yet.
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