S5 Motor In A S4
08-15-04, 03:47 PM
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S5 Motor In A S4
the motor in my s4 blew up, i need a new one, im gonna swap a j-spec turbo in later on but im short on cash, i can get my hands on a s5 motor for cheap. i want to maintain all the intake exhaust computer....etc from the s4 and just use the s5 block besides swapping out the omp what must be done to make this work? somone mentioned somthing about the front cover needs to be changed............
and what about the 5 and 6 ports? will myintake manifold bolt up? thanks ----David----
and what about the 5 and 6 ports? will myintake manifold bolt up? thanks ----David----
08-15-04, 09:36 PM
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Yes. The blocks are the same.
You will have to swap front covers. (do a search for more info)
When I put the S5 motor in my S4, I kept the S5 motor intact (that is, I used the S5 manifolds and all the accessories). I had to change a couple connectors, but all in all it was easy. You would also need an RMP switch to activate the VDI and 5&6th ports (I just wired mine open).
You will have to swap front covers. (do a search for more info)
When I put the S5 motor in my S4, I kept the S5 motor intact (that is, I used the S5 manifolds and all the accessories). I had to change a couple connectors, but all in all it was easy. You would also need an RMP switch to activate the VDI and 5&6th ports (I just wired mine open).
08-15-04, 09:45 PM
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Use the s4 front cover, and s4 manifolds/etc. Wiring them open is a bad idea, since you lose what little low-end torque the car has. Or you can keep the s5 intakes, and just change the few discrepencies (tps, bac, etc) to fit. It's easiest just to swap to all s4. Use the s5 flywheel! They are not interchangable!
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