Mr.Bowie, I would like to ask you if you can tell me if hard valves are for lead are unleded engines.
Jim, Older valves are for use with leaded fuel, for which the valve seats in the heads were made for. You can remachine the heads for new valve seats which use unleaded fuel.
hi, i have a pair of bowtie heads 14011034 i would like to know the intake cfm and exhaust and if possible the best match up to give me max hp
hi I have a set of 14011034 heads are the 18 or 23 degree . what type of intake , rockers , and lifters do you use with a 1970 production block
i like to know the right intake and cfm for them head 1401034
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