Thread: 305HO Heads on 307
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Old 06-05-2017, 07:53 AM   #6
68Stepbed
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Re: 305HO Heads on 307
http://www.superchevy.com/how-to/eng...e-performance/

Vortec heads do quite well on them, too!
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68 C10 stepside, LS1/700R4, TCI Engineering suspension system
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