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Auto 4 ports max RPM ?

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Old 08-22-2010, 10:35 AM
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Auto 4 ports max RPM ?
Hello,

My question is simple. What the max rpm rev the rx-8 4 ports ? Stock ? and after modification ?

Tkank you,
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Old 08-22-2010, 12:01 PM
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stock should be 7500, and modified....OVER 9000!
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Old 08-22-2010, 01:41 PM
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Maximum efficiency of said rpm band: about 8K.
after that, no increased benefit is gained.
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Old 08-26-2010, 06:48 PM
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Tkank you !!
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Old 08-27-2010, 01:09 PM
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curious, is it even worth just upping the RPM limit with the AT?
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Old 08-31-2010, 11:54 PM
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Originally Posted by Bigbacon
curious, is it even worth just upping the RPM limit with the AT?
bump on that question. 7k-8k im not feeling too much torque

although i do like the beep
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Old 09-02-2010, 06:47 PM
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No its not after 8k that is the peak for the 4 port. There is no gain after 8k.
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Old 09-03-2010, 10:00 AM
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Originally Posted by Bigbacon
curious, is it even worth just upping the RPM limit with the AT?
i dont know about a 4port, but on the 6port auto it gave me a tremendous bump
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Old 09-03-2010, 10:20 AM
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Originally Posted by freaklinkmusic
i dont know about a 4port, but on the 6port auto it gave me a tremendous bump
Of course it would. you have 2 extra ports, therefore the motor can injest more air at said rpm.
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