I know we did the 305-350 swap in my fathers car and if you go with a stock style 350 you NEED the 350 knock sensor to make it run correctly. Like said above though, if you go custom both will be f'ed up.
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-Nick
9/11/01- Never Forget
2002 Pontiac Trans-Am WS6 # 206
Chasing 10's
469RWH/437RWTQ
11.05 @ 123
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