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engine, and reputed to be stronger than the
Australian cranks, while the ARP rod bolts should
ensure Uncle Rodney doesn’t come for a visit.
Rather than rip out this simple and effective bottom
end, Willy lowered the compression ratio for
the blower by replacing the existing 2V closed-
chamber heads with a pair of 4V open chambers
that he scored off Facebook — but, unfortunately,
closer inspection revealed they were cracked. An
annoying setback, but no problem for Willy, who
was able to swap his closed chambers for a pair
of 2V open-chamber heads. These were taken to
Wayne at Henderson Automotive for machining,
with larger 4V valves installed, as well as screw-in