July 18, 201312 yr Hi mate Welcome to S.O.C I believe it will fit without problems I don't think the mounts on an STI engine are different as long as you have the loom the gearbox ECU. ect, ect Will you have problems and hidden surprises and headaches when doing it I would almost put money on it, I don't mean that to put you off just be prepared. And make sure you have enough money and time to cover it.
July 18, 201312 yr My mates bug wrx has a blob sti bottom end and the standard 5 speed wrx box, after squeezing 418bhp out of it and smashing 2 gearboxes he's now converting to a 6 speed box, the bug, blob and hawk are all interchangeable with front and rear panels so I would assume they share the same chassis meaning all engines from them models should be interchangeable too
July 18, 201312 yr Author Lovely that's what I was hopeing Thanx for the help off too the sti lump now
July 20, 201312 yr Author Hi gambit if I just use the block and head from the sti and use my bugeyes ANCILLARY'S will I still need ecu,loom, ect ect
July 20, 201312 yr Hi, As you suggest, the easiest option is to use the long motor and swap everything else from the old motor. From memory, the engine mounts will work fine but even these can be swapped easily enough.
July 20, 201312 yr The ecu and loom controls the timing and injectors on the engine, in theory you could swap all ancillaries from the old engine to the new and it will work On a previous conversion I've done (not subie) I fitted a seat engine from a 96 model car into an 89 vw, original engine was a 1.8 16v,new engine was a 2.0 16v,i stripped the 1.8 down to head and block, same with 2.0 and retro fitted all the parts over so all I had changed was the head and block, that worked perfectly as all electrics remained the same Sorry for the long explanation, just trying to clarify what I did
July 21, 201312 yr I think that would be away round it that could work I wouldn't want to say yes it will work that 100%, because I'm sure someone was doing something like this and there was one sensor they missed out or something so kept getting error codes flashing up all over. But this is what i meant about the headaches :)
July 23, 201312 yr Nice one looks nice and clean hope it all goes well. feel free to post any pictures as you are doing it :)
August 9, 201312 yr Author Oh dear it's started(the headaches) The new lump as got avcs heads my baby hasn't. The headache is do I use my old heads or go down the disable the avcs road
August 9, 201312 yr my 2p - I think you would be better using your old heads as it will match with the existing loom / sensors etc and wont confuse the ECU
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