What would correct part number casting date be for my 10/70 xu1 head to match my 3100x motor
Lc xu1 head
Started by
_70lccoupe_
, Dec 16 2014 10:52 PM
6 replies to this topic
#1 _70lccoupe_
Posted 16 December 2014 - 10:52 PM
#2
Posted 16 December 2014 - 11:09 PM
G90 cast date.
#3 _LONA-CK_
Posted 17 December 2014 - 05:36 PM
or a G30 there is only 6 days of play between the two.
cheers gong
#4 _70lccoupe_
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 ?
#5
Posted 18 December 2014 - 09:21 AM
Cylinder head no. 2815843 is exclusive to XU1.
#6 _70lccoupe_
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_
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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