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Thread: ST170 Head Porting - Any Other Mods to be done at the same time

  1. #1
    Bodger

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    ST170 Head Porting - Any Other Mods to be done at the same time

    Well the time has come to replace the cambelt and to do a few other things to the ST170 motor. I've got it in my head that if I have to do the cambelt, I might as well take the head off and send away to be ported the same time.
    I'm going to get Andrew at AL Developments to do the porting work as I've seen nothing but good reviews of him and his work.

    Is there anything else you would recommend doing at the same time?

    Current spec is
    Standard ST170 lump that's done 24k
    Jenvey throttle bodies
    Emerald K6 ECU

    It's currently in a 1967 MGB GT, I was thinking do I need to upgrade anything else whilst I'm at it, such as
    1. Moving to ARP rod bolts
    2. Will the standard injectors be ok or is an upgrade advisable
    3. Do I need to think about anything special in terms of gaskets or just use existing OEM gaskets?

    Thanks

    Ben

  2. #2
    Mechanic mk2-mad-ad's Avatar

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    Re: ST170 Head Porting - Any Other Mods to be done at the same time

    how about a pair of cams ?

  3. #3
    Bodger

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    Re: ST170 Head Porting - Any Other Mods to be done at the same time

    Good point, is there much advantage or can I when keeping the VVT?

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