Hello, as described in previous posts my cambelt slipped and bent and snapped some valves causing me to need a replacement head,

anyway i found a ADR replacement head, My Engine is an ARZ

I did some research as to wether the the ADR would fit my ARZ and it said it would fit no problem , the guy who sold me it also said it would fit no prolem, now there are 2 differences i have noticed when examining the two heads

Difference one, sensor on ADR that was not on ARZ What is is and do i need it?

Difference two next (see pic 1 + 2) next to the thermostat housing there is another hole for a part which im not sure is! is it the dumpvalve?
Now on the ADR head it has the screw holes for it to fit but no centre hole???? Can i make this head Work?

Please see both pics, I would appreciate any help as i want to try and put it all back together tomorrow

Thanks Very Much Ben

http://tinypic.com/r/zmmn7p/7 (ADR RIGHT ARZ LEFT)

http://tinypic.com/r/egogvp/7

 

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