John, I have seen some dyno results on the semi-hemi heads that you are talking about. The port runners and valves were so large that you had very poor throttle response below 6,500-7000 rpms that they were not practical. Were still pulling strong approaching 10,000 though. There is one of those engignes sitting on a stand about 20 minutes from me. I have been trying to buy it for about 15 years with no luck. All I want it for is to sit in my office for display.
Re: Weslake Chevy heads
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