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Engine ID help

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Old 01-14-10, 12:33 AM
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PA Engine ID help

http://s589.photobucket.com/albums/s...24/13b%20what/ can someone help me out on if this is a s5 pr 5s engine, i bought this car from a guy claiming its a jspec s4 motor in a s5 body, the intention was to swap this into my 88 vert, but after examining the wiring harness and ecu im not sure, any input is much appreciated, considering this is my first donor car purchase
Old 01-14-10, 12:38 AM
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it's a series 4 J-spec engine.
Old 01-14-10, 12:44 AM
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why are the harness plugs so much different , for the dash harness , between the 2 ecus

hmm - N374-'89 Turbo Foreign Market -


starting to sound like i might have to restore the donor :/
Old 01-14-10, 12:49 AM
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never dealt with a craptastic J-spec ECU. just get a series 4 engine harness and ECU, the engine is almost identical.
Old 01-14-10, 12:54 AM
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oh well then i just happen to have all of the above , guess that will be my tomorrow project
Old 01-14-10, 11:26 AM
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It is an S4 J-spec engine, but that's an S5 J-spec ECU. S4 and S5 ECUs have different plug shapes. You need an N332 or N333 US-spec S4 ECU & matching harness. Whatever the previous owner did to make S4 electronics mix with an S5 ECU you don't want any part of. Wire hacking galore.
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