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how good are protop line heads

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  • how good are protop line heads

    235s 208/160 for sbc 64cc

  • #2

    Re: how good are protop line heads

    Re: how good are protop line heads

    As far as I know, Pro Topline is out of business. Do you have a used set, or some RHS heads?

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    • #3

      Re: how good are protop line heads

      Re: how good are protop line heads

      yea didnt comp by all there stuff and under rhs now.

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      • #4

        Re: how good are protop line heads

        Re: how good are protop line heads

        i bought them just before they sold out

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        • #5

          Re: how good are protop line heads

          Re: how good are protop line heads

          i think holley bought them out

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          • #6

            Re: how good are protop line heads

            Re: how good are protop line heads

            I have no hands-on experience with them, but the reputation for flow was pretty good. I did hear some gripes about porosity in the aluminum versions, but only rumors I can't really attest to myself.

            235cc is a huge runner for a small-block. How big is it?

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            • #7

              Re: how good are protop line heads

              Re: how good are protop line heads

              i think holley bought them out
              Nope, Comp Cams. Revised versions are now sold under Racing Head Service (Comp Cams).

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              • #8

                Re: how good are protop line heads

                Re: how good are protop line heads

                Used a pair of 200cc ProToplines on a 327 and later on a 350 blower motor. Both ran very well. We did pull the threads on a stud on one head, but I think the owner over rev'd it and floated the valves.

                I haven't used the 235's but have heard good things about flow. Have also heard quality is hit and miss on heads built before Comp took them over.

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                • #9

                  Re: how good are protop line heads

                  Re: how good are protop line heads

                  it is on a 423 sbc they are the alum i have had good luck so far, i have heard from few people that they were good but not many

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