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Lc xu1 head


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#1 _70lccoupe_

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Posted 16 December 2014 - 10:52 PM

What would correct part number casting date be for my 10/70 xu1 head to match my 3100x motor

#2 S pack

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Posted 16 December 2014 - 11:09 PM

G90 cast date.



#3 _LONA-CK_

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Posted 17 December 2014 - 05:36 PM

or a G30 there is only 6 days of play between the two.

 

cheers gong



#4 _70lccoupe_

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Posted 18 December 2014 - 08:54 AM

Thanks guys, is there a part number on the head also to distinguish it between a normal high comp head and xu1 head or are they the same ?

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Posted 18 December 2014 - 09:21 AM

Cylinder head no. 2815843 is exclusive to XU1.



#6 _70lccoupe_

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Posted 18 December 2014 - 08:57 PM

Thank you now just to find one someone in there wisdom has put a low comp head with heap of porting on my xu1 who ever done the engine got a good deal there

#7 _threeblindmice_

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Posted 18 December 2014 - 09:39 PM

The numbers are factory , the engine builder may have altered the compression ratio to suit your motor .




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