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Jonny2TG
Forums Junkie


Location:
Tasmania
Registered:
May 2002
Re: cam timing experts please Mon, 31 January 2005 10:40 Go to previous messageGo to previous message
I think you should forget those setting and time it properly.

Borrow a degree wheel, dial gauge and stand.

Put the degree wheel on the crank pully, take the spark plugs out. Search the net for more instructions. Find TDC (not always exaclty where the mark on the crank is). Find TDC with the dial gauge down the spark plug hole, or there are other ways.

Then put the dial gauge on no.1 intake bucket if you can (not easy I know). Note the opening and closing times for that valve, at any given setting. Then find where the middle of those opening and closing times are. This is the lobe center. The do some maths and adjust things so the lobe center is about 105 degrees from TDC. Do the same for exhaust. 110 degrees is a more conservative setting, 100 degrees is more a wilder max power setting for high rpm.


Get the valve clearances right first before you do any of this. And be carefull not to have the 2 cams miss times too badly at any one time, or the valve will hit things!!!! Observe the factory manual for setting valve clearances!!!!
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SubjectPosterDate
Read Message   cam timing experts please Mr DOHCMon, 31 January 2005 09:18
Read Message   Re: cam timing experts please  Jonny2TGMon, 31 January 2005 10:40
Read Message   Re: cam timing experts please allencrMon, 31 January 2005 14:46
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