Hi Ken,
What year 350 engine? I've done the exact swap on a 68 350 that had valve reliefs in the cylinders for both intake & exhaust. Later years the reliefs changed, sometimes no reliefs on the intake side. I will say that was a tough little engine with an 068 cam, surprised a lot of people.
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65 Tempest, 400, TH400
86 Fiero SE 2.8
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