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XU10J4RS head on XU7JP4 block
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15-06-2015, 02:21 PM
if you're going to RS cams then you'll be sucking in a lot more air which in turn needs more fuel, I doubt the4 XU7 injectors will be large enough however the XU7 mapping will not be anywhere near what the RS needs.
a mappable ecu is a must.
need a part number? http://public.servicebox.peugeot.com/ and http://service.citroen.com/ will sort you out.
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