The 305 vortec heads are no better then the one coming off. They still have the ramp on the intake side and are no use to any one. Only the 062 and 906 heads flow the numbers you need to make power. Spending the money to make a 305 doing any thing is a waste of time and money. Do a 350 and your big money ahead.You would be better off finding 305 Vortec heads, the good ones are casting 059.
The 305 vortec heads are no better then the one coming off. They still have the ramp on the intake side and are no use to any one. Only the 062 and 906 heads flow the numbers you need to make power. Spending the money to make a 305 doing any thing is a waste of time and money. Do a 350 and your big money ahead.
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