Stock 1972 sbc 400 specs?
Just curious what was the horsepower and torq in a stock 400 from 1972?
My motor is no longer stock but im wondering how much i might have added to its original numbers...
I am talking about a 400 sb not the 402 bb.
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72 GMC SB
Built 400 SBC
B&M TH350
12Bolt Posi 4:11
Bagged
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