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S5 internals into a S4 question?

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Old 01-09-04, 09:56 PM
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S5 internals into a S4 question?
doing research before i rebuild and my question is when swapping the internals can i use the S4 e-shaft but used the S5 hardened stationary gears, rotors, ect or do i need to use the S5 e-shaft?
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Old 01-09-04, 11:39 PM
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No.
The only thing you gotta worry about is counterweight/flywheel matching when swapping out the rotors.


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Old 01-10-04, 12:13 AM
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will he need to use the s5 ecu because of the higher compression or can the s4 ecu handle it?
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Old 01-10-04, 02:46 AM
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The ECU differences are minor that it's not that big of a deal.
The different sensors and plugs could be a slight problem.


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