2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

13b 6-port (large street port) / no aux. actuators

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Old Jun 2, 2008 | 01:41 PM
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ryanvx's Avatar
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13b 6-port (large street port) / no aux. actuators

I've got an 86' FC 6-port N/A, just street ported the irons, I'm ditching the aux. actuators, arms, and sleeves... S5 intake manifolds... air will free flow to aux. ports... I was just wondering if anybody has any idea what kind of power/ torque gains and/or drawbacks can be realized by doing this???
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Old Jun 2, 2008 | 02:11 PM
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RX7Tuner.'s Avatar
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No gain. Loss of low end. There are a lot of threads on this. You could try searching through and see what other people have alreadfy said.
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Old Jun 2, 2008 | 03:52 PM
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Covered about a billion times...

If you wire open or remove the aux port sleeves, you will lose low end torque and generally make the car SLOWER overall.

However if you are really talking about a large street port, then you may have no other choice but to remove the actuators as the porting will make the aux ports and runners too large to accept them.
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