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Bud Byrnes MSX Crossflow Cylinder Head, Manifold and DCOE Combination.


(Car and driver not included.)


   We prepared the following cylinder head and manifold for Bud's vintage racing Elva Courier in December 2006 for the upcoming 2007 racing season. It features 1.665" inlet and 1.38" Frerrea valves, titanium retainers and competition springs. This head was an evolution of our previous efforts, which helped make almost 200bhp when Bud's engine was dyno'd at that time. The chambers have been clearanced for Cosworth style domes and are roughly 41cc volume now. This head is in the "as removed" condition and is presently in Bud's posession. Bud would be running this head currently, but was asked to downgrade back to a non-crossflow head by sanctioning bodies. Asking price is $4,000.00 + shipping for everything shown below. Bud may be reached via E-mail at: andrew.byrnes3@verizon.net for purchasing information.

Cylinder head flow results @28" (with inlet manifold attached) as completed in December 2006

Valve liftInlet flowExhaust flow
.050"29.023.0
.100"54.344.5
.150"80.065.0
.200"104.283.0
.250"125.293.5
.300"141.5102.0
.350"149.0110.0
.400"155.5111.5
.450"161.0N/A
.500"164.5N/A
.550"167.0N/A
.600"169.0N/A


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