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Old 09-17-2005, 10:11 PM   #1
71Chevystepside
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Join Date: Aug 2005
Location: Port Townsend, Wa
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? about bb swap in 71

I am going to put a 454/400 combo in my 71 chevy stepside instead of the 350/350 combo it came with. Something about the look of the big block makes me say wow everytime I see one.

My question is my cab (72 low hump). Will the 454/400 combo go right in without having to modify the floor or will I have to put in a high hump. I am not to the stage of putting the motor in so I cant just try it yet. I am enbarking on the experience here on this board with someone that has already done this type of swap.

Please let me know.
Rich
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Old 09-18-2005, 01:40 AM   #2
72 CustomCamper
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Join Date: Nov 2002
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I would say that you can get away with the stock low hump. My 72 has a swapped in 396 700R4 with the low hump tunnel. I even used the 350 frame stands, but they were modified to clear the exhaust...


Chuck
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