78 Chevy C10 Pickup with turnkey 350 engine 330HP, is stock TH350 transmission ok?

S

sigpk

New member
Installed turnkey 350 engine with 330HP from Phoenixengine (mistake), however not sure if the stock TH350 transmission is still ok or does it require a different transmission due to the increase of HP from original engine. Also, does it need different gear ratio rear differential from stock original rear end?
 
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