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Username Post: 406 ci sbc build -- Am I close?
panhandle 
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Posts: 226

Reg: 08-01-07
 04-19-12 10:09 AM - Post#2216899    
    In response to greg_moreira

I don't see any special spring poundage listed on the spec sheet that came with heads so I'm going to assume that the spring pressure is pretty close to stock specs. The heads were bought in 2001 and they now have about 7000 street miles on them. Will remove them from the 355 and have they checked out and then use them on the 406.
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Location:  Main Index » Forum Index » Automotive General » Performance Related » 406 ci sbc build -- Am I close? » Post#2216899
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