If you have the resources, you can probably get the Hitchcock's 535 high compression piston for the AVL. More cc and higher comp as well !..........
For most affordable results, do the BW piston mod, the way he specifies it to be. It's the "best bang for the buck".However, for those with more resources....The world has changed.Just use the flat top piston, and this ACE big-valve modified chamber for improved combustion efficiency, 9.8:1 compression ratio, proper squish, better flow, and more power .
how much does a head like that run?
Interesting, who has the necessary cojones/$$$/time to take this on? If my next project goes AVL instead of Big Head I will be sorely tempted.Regards,A.
I would say that in a "full-house" AVL build as described, it would be suitable to use a TM34, or even a 35mm or 36mm carb to get all the revs that it could utilize with that stuff.
A lot depends on the way it is ported.We use the carb as the primary restriction. It is the smallest cross section in the tract, in the way we do it.Others put the primary restriction in the port, and use a larger carb.This ends up with different size carbs for the application, depending on how the builder approaches the inlet design.
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