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  1. #1

    Need clarification on oil pressure regulator in the block on 2004 engine

    I am rebuilding my engine again and I bought another motor in need of a rebuild but when I pulled the head there was no oil pressure regulator in the block. This is on the 2004 motor that has had the cylinder head off before because it has rev racing valves. Then I looked at the rocker arm shaft between my 2003 Gtx 185 and this 215 rxp motor and they are the same and my 2003 Gtx has the regulator in the block. Just need to know if I need to run the regulator or not or what rocker arm shaft I need to run.


  2. #2
    Kiwi spanner handler
    Join Date
    Dec 2007
    Christchurch NewZealand
    you need the restrictor in the block you can only run without it on the later version rocker shafts

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