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Thread: 1.3 SR performance cam into 1.2 12ST

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    Default 1.3 SR performance cam into 1.2 12ST

    We know a 1.3 SR standard cam will fit the 1.2 (12ST)

    but.. I'm wondering would wether a performance cam such as the 1.3 SR kent cam would still allow clearance between the valves and the piston??

    Im sure it would but if anyone has any ideas on this it would be appreciated

    Nick

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    Supernova Club Member millworm's Avatar
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    Should do mate, can't see why not. I don't think the heads are much different

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    Club Member Club Member Royston's Avatar
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    Should be fine as long as the lift isnt extreme
    Regards

    Royston

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    chippy shoulder Admin
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    The carb will be the limit then

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    Senior User Calamity Josh's Avatar
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    im running a 1600 fast road piper cam in my 12st with a set of 40's hanging off the back, have no idea on clearance, but she runs sweet as a nut and goes well.

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    So would a 1600 cam fit in my 1300S then?

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    Well going off the info above I'd say yes

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    Be interesting to know what jets your using in the 40's josh?

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    chippy shoulder Admin
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    Quote Originally Posted by bighed View Post
    So would a 1600 cam fit in my 1300S then?
    You might not have the fuel pump lobe on the 1600 cam though

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    Quote Originally Posted by Stuart View Post
    You might not have the fuel pump lobe on the 1600 cam though
    Good point well presented. That reminds me. I need to buy a new pump as mines gone noisey as funk.
    Last edited by bighed; 20-01-14 at 03:56 AM.

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