243 casting on 3 different OEM bores ??
11-02-2006, 05:54 AM
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243 casting on 3 different OEM bores ?? The 243 casting is being used on 3 different OEM bores.
5.3 5.7 6.0
With the chamber volume, chamber shape , & valve size
being the same on all three,
did GM just do this because of cost, or does it really matter at all ??
Dave
5.3 5.7 6.0
With the chamber volume, chamber shape , & valve size
being the same on all three,
did GM just do this because of cost, or does it really matter at all ??
Dave
