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TDC question (Read 100 times)

simm22 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 19	TDC question 07/26/12 at 10:04:33 I know the steps to find TDC but had a question about the rocker arms. If the intake and exhaust valves are closed the rocker arms will be up or down? I think "up" but just checking to make sure I am right. Thanks
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: TDC question Reply #1 - 07/26/12 at 10:06:21 The valve end of the rockers are Up when the valves are closed,lumps on the cam are down,
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Re: TDC question
Reply #2 - 07/26/12 at 10:49:36

There are two times when the piston comes up - but only one of those is TDC. When the piston comes up and both valves are closed and you can feel/measure the valve clearance.....that is TDC and it does occur when both lobes of the cam are facing down. The other time the piston comes up is when the exhaust valve is just closing and the intake is just opening (valve overlap), and neither rocker should have any clearance as the cam loves are facing up and pushing on the rockers.

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Charon Serious Thumper Offline Posts: 1811 Harvard, NE Gender:	Re: TDC question Reply #3 - 07/26/12 at 13:21:39 Every time the piston is at the top of the stroke is, by definition, Top Dead Center. Only one of those is the correct TDC for valve adjustment. At that TDC the valve end of the rocker arms will be up, as will the valve stems.
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simm22 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 19	Re: TDC question Reply #4 - 07/26/12 at 14:45:47 I see so the end of the rocker arm with the locking nuts will be down?
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: TDC question Reply #5 - 07/26/12 at 14:49:00 Knockers down, nuts up.
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simm22 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 19	Re: TDC question Reply #6 - 07/26/12 at 15:10:23 haha cool got it thanks!
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simm22 YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 19	Re: TDC question Reply #7 - 07/27/12 at 10:48:24 How much oil will I get when I pull the timing port cover...should I drain it first?
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verslagen1 YaBB Moderator ModSquad Offline Where there's a will, I want to be in it. Posts: 28886 L.A. California Gender:	Re: TDC question Reply #8 - 07/27/12 at 12:05:18 depends on how much you overfill it. You can block up the kickstand and even if you overfill per the list method it won't leak.
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