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Discussion Starter #1
I was at the races yesterday in San Antonio (IDRC). Got there late and saw the RX-7.COM car get beat by an early 90's talon. When the RX-7 staged, I heard PFFFFFT and this whitish blue mist or smoke stream up from (i guess a vent or hose) in the engine bay. Anybody have any idea what that was, sounded like compressed air being released.
 

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Sounds like a Blow-off-valve.
 

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Discussion Starter #3
oops

sorry, forgot to say that it didn't happen immediatly after coming off the gas, he did the burnout, started rolling to stage and PPPFFFFFFTTTT. Hit the first light PPPPFFFFFFFFFTTTTTTTT. Then he rev'd up and hit the last light.
edit: AustinGT, were you at the strip? I saw a black 1st gen vr4 and a black 1st gen N/A, where either yours?
 

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No...just read the post and thought I might add my $.02. But if you are ever in austin let me know...and we can meet some where.
 

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I believe what you saw was a NOS Purge Valve. I had a NOS set up on my Eclipse and it would vent out near the windsheild wipers.
 
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