Differences between 273 Commando Silenced Air Cleaners?
Got answers from people who started with untouched cars, experts, and even have quotes from TSM's. Quoting Mikes upgraded valve covers doesn't even cast any doubt on the all the air cleaners posted that all have the same holes in them.
Only other thing you can do for proof at this point is build a time machine :-) ;-) ;-)
