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  1. #1
    tail slider
    Join Date
    Apr 2012
    Location
    Nottingham
    Posts
    141

    Sr20 valve spring question

    Has anyone ever fitted uprated valve spring wilst the head is on... I have a tool to do it just wundering wether its a ball ake or not? Cheers

  2. #2
    dorifto kingu!
    Join Date
    Mar 2005
    Posts
    2,130
    You can do it but will have to pressurise the combustion chambers to keep the valves up somehow I reckon, via the spark plug hole
    S14 Silvia

  3. #3
    tail slider
    Join Date
    Apr 2012
    Location
    Nottingham
    Posts
    141
    did it this morning yeh i used a cut up sparkplug with compressor joint on the end... cheers anyway

 

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