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tdi power
Joined
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13,297 Posts
ecu does not need to be changed!

spec1 and 2 engines are internally the same so thats all you have to change over.

just wip out the spec 2 engine then transfer the coil packs, coilpack loom, throttle body, turbo and manifold ( if you dont have one on new engine) and possible the exhaust cam as late spec2 engines had a different drive on the cas
 

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AKA RSP
Joined
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4,762 Posts
Yep. As above you should need to change the coil pack loom, coils and throttlebody. The rest should be exactly the same. If you were to have a VERY late R33 series 2 it will run a R34 cam angle sensor which will need rewiring but this is very rare.

Richard
 
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