X-Mozilla-Keys:                                                                                 
Rogers, Bob J. wrote:

Could you identify which old and new systems you are referring to?  Is this
the 87-91 Turbo Engine Intake versus the 93-95 Turbo Engine Intake?


 << File: dyna-chamber.gif >> Here is the new stock tuned
system verses the old stock untuned system.

 2% Sheeeessss!!!!!!!
 Paul

It is from an SAE paper published by Mazda and it is for the normally
aspirated 88 RX7 engine verses the 89 Gen 2 RX7 engine I think.
The power is too low for a turbo engine I suspect.
Probably the first year they used the dynamic chamber.
 
Paul Lamar
 
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