Quote:
Originally Posted by kyoung
Maybe because for years they had a separate table for 2 valve engines and the Corvette was the only car that would be affected by the transition to the new single table for normally aspirated engines.
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well they had only one table but there was an eqution in the rules by withc 2 valve per cylinder engines calculated their restrictors from the main table.
here is an extract form 2010 regulations
For engines with two valves per cylinder and a single camshaft located in the cylinder block, the following
restrictors’ diameter must be corrected according to the formula:
D = {[D-1] x 1,034} + 1. The result will be rounded to the nearest decimal.
this is not present it the 2011 regulations
and if corvettes gets hit by this they will lose massive amounts of power.
only solution to the problem would be to grant Corvette a waiver, or for imsa to disregard aco rules and keep the old regulations for corvette, but that would mean the corvettes would be competitive in ALMS while at Le Mans they would be at a disentvantige