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S4 TII Rotor Housings On S5 TII Motor

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Old 03-30-09, 01:56 AM
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S4 TII Rotor Housings On S5 TII Motor
Hi, i bought two S4 TII rotor housings from a guy to use in my S5 TII motor. Has anyone successively ran S4 TII housings on a S5 turbo motor? If so what else do i need to change to make it work? I'm going to be running a redom ECU with a fuel controller. Any help would be great. Thanks

Daniel
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Old 03-30-09, 09:44 AM
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Engine, Not Motor

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Should be fine but be aware the spark plugs are in a slightly different location and since the emissions passages don't line up, you won't be passing emissions.
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Old 03-30-09, 12:19 PM
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Ok, smogs not a problem. But i was told that i have to run the S4 pulley that has the timing marks on it because of the slight timing difference.
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Old 04-02-09, 01:24 PM
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If all you are swapping is rotor housings, then leave the pulley alone. Use the pulley and hub combination that came with the car.
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