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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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 Posted: Sat Nov 17, 2001 1:49 am Post subject: help wif cam |
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| hey ppz i bought the bigger crow cam today the 2500-6500 cam to help wif power and i want to now if i have to eye brow the piston tops?? do cause i haev the tools to do it cept gfor the plasticine |
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Fastgem
tinkerer
Joined: 04 Oct 2001
Posts: 166
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| Posted: Sat Nov 17, 2001 7:06 pm Post subject: Re: help wif cam |
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| The best thing to probably do before you start pulling your motor apart is just put the cam in and try and turn the motor over by hand. If it turns freely then it should be fine, if you cant turn it all the way over then it will be the valves hitting the pistons so dont try and force it. |
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stocky
rice boy
Joined: 06 Oct 2001
Posts: 37
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| Posted: Sun Nov 18, 2001 5:49 am Post subject: Re: help wif cam |
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and when you do turn the engine over by hand, make sure the plugs are out, or when you think the pistons are hitting the valves its probably just the compression forcing against you. may i ask what 'eyebrowing' the pistons is??
is it when you cut a small dish out of them or what??
sounds like just cutting a couple of slits where the valves hit, seeins theres a valve on each side of the piston, the shapes would make eyebrows?? |
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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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| Posted: Sun Nov 18, 2001 4:50 pm Post subject: Re: help wif cam |
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| it is a term for putting slits in the pistons to help wif clearance it is aloso called fly cutting |
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