Quote:
Originally Posted by Too Many Projects
If the converter is still from the Impala, it's not going to work with the L78 cam, as you are aware of. You'll need a converter to match the application, with a higher "stall" speed, either a rebuilt original or an aftermarket tuned to the cam.
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The idle aspect is only part of the transmission issue...the hi-perf trannys used behind the L78 were special built units. They had stronger internals, the 6 lug high stall converter, a hi shift point governor and other unique features. There was an old thread about this, not sure if the info is still accessible.
https://www.yenko.net/forum/showthre...ighlight=trans
10-20-2022, 10:43 PM
L78 with TH400...
Hybrid Mode
