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Discussion Starter #1
I have an automatic 2001 Toyota Celica GT. I and many other have noticed that at about 5000 rpm's the engine seems to get a little "boost". I've read up on it and know that it is something with the cams, but can't seem to find an answer to my question. Is there anyway to hit that little "boost" at a lower rpm? Say maybe 4000 rpm. I know that this is not normally done to automatics and I know that it is not literally "boost", but I'm using that since I can't think of a better word. So no smart a** comments.
Thank you!
 

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Electromagnetic Wave :-h
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15,392 Posts
The 2ZZ, not your 1ZZ, has a second cam profile.

If you are stock, running the stock airbox, you're probably noticing the ASIC (butterfly) flap opening at 4k RPM.
 

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Daddy Daycare
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Is there anyway to hit that little "boost" at a lower rpm?
Not with a stock 1ZZ and stock ECU. It is inherent to the way the engine is setup from the factory and is the result of many variables.
 
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