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Hi there,

First post on this forum. I have a Corsa B 1.2L 16V X12XE engine.

The Corsa C has the Z12Xe engine which produces 10BHP more than the X12XE.

I know you can convert the X12XE to a Z12XE has anyone done this or knows how to do it.

Could you explain which parts of the engine I need to change?
 

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youve got to think, is it worth the money? i know the C's are nippy buggers but for the money tyoul shell out on an engine you could go bigger and faster....
 

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not worth it at all, absolute nighmare of a conversion to do, namely the wiring. Engines are still fairly expensive. I paid £150 for a corsa c gearbox so im guessing a full engine with ecu, driveshafts, loom etc would be £350-£400 easy.

Best bet if you wanted more power would be to transplant a 1.4 16v or a 1.6 16valve out of a corsa sport into you car. Its a very straight foward swap. Can be done in a few hours. A few of us on here have put a nova gsi engine in, i have one to put in, which is a very solid an reliable engine with 100bhp so fairly nippy and there also a straight swap.
 

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Simply not worth it mate, i wouldnt bother, doubt u will notice any big difference anyway, like mark said your best bet is go bigger like the 1.4 and 1.6 16v corsa b engines
 

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Yeah mate go for something bigger and it may also be cheaper! Theres a 2.0 engine going for £150 on here!
 

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Or even an 8v engine with more va-va-voom, like a C16SE.....or as mentioned above the 16v C16XE. When buying, you need the engine loom and possibly alternator (in case the donor has PAS and yours doesn't and vice versa).....look for an engine which has low mileage and possibly been recently 'furbed (eg. new cambelt, head gasket).

I picked up an Astra engine (8v 1.6, C16SE) with loom, alternator, air box and a load of other engine bay bits for £100 that had done 60K and recently been given new head gasket and cam belt :thumbs_up: Even had FSH up to 45K.
 

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You got a right bargain there then Sky, what the BHP on that roughly?
 

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The C16SE is 100BHP standard, just 7BHP short of the C16XE which throws out 107BHP. I get more torque in the lower gears but would lose it top end in comparison.....not exactly devastating.

Plus...I didn't even have to change the engine loom, my 1.4 8v original worked fine with it.

Yeah I snapped it up.....good clean refurbed engine for £100, larfin' ;) It's the same engine they used in the Nova GSi.
 

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just installed 16sv in nova for circuit racing barbados, about to swap c14nz for c16se in corsa for road, wondering about wiring, any guidelines.thanks
 
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