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Timing in Cam

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man+van

Post subject: Timing in Cam

Posted: Wed Feb 25, 2015 8:58 pm

848cc

Joined: Sat Feb 16, 2008 5:17 pm
Posts: 112
Location: Sutherland, NSW

Hi Everyone.

I built my motor 5 or so years ago and it ran fine. However i never timed my cam in when i built it.
Now i am swapping everything over to a different shell im wondering if it is advised/possible to do this while the engine is out.
Is it possible to do this with the head on? Can you get an accurate TDC reference through the spark plug hole?

Thanks
Richard

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75 Panel van, 1360, RE-13, 1 3/4su

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Mick

Post subject: Re: Timing in Cam

Posted: Wed Feb 25, 2015 9:15 pm

SooperDooperMiniCooper ExpertEngineering

Joined: Fri Apr 29, 2005 9:46 am
Posts: 18887
Location: Under the bonnet son!

Yes you can. Use a pushrod or similar through the sparkplug hole. All you need to do is make sure that the rod moves relatively freely by positioning the dial gauge carefully.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

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Scoop

Post subject: Re: Timing in Cam

Posted: Wed Feb 25, 2015 9:47 pm

998cc

Joined: Mon Mar 10, 2014 11:38 am
Posts: 1143
Location: Tassie

Could you use the mark on the flywheel for TDC?

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1963 Morris 850 Smoke Grey
1963 Morris 850 Shadow Blue
1965 Morris Mini Smooth Van
1966 Morris Mini Van
1969 Morris Mini Deluxe Resto
5/72 Clubman Gt

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Scoop

Post subject: Re: Timing in Cam

Posted: Wed Feb 25, 2015 9:53 pm

998cc

Joined: Mon Mar 10, 2014 11:38 am
Posts: 1143
Location: Tassie

There is a good explaination of how to do cam timing from the Doc in this thread.

viewtopic.php?f=2&t=87658&hilit=cam+timing+set

Handy bit of info.

_________________
1963 Morris 850 Smoke Grey
1963 Morris 850 Shadow Blue
1965 Morris Mini Smooth Van
1966 Morris Mini Van
1969 Morris Mini Deluxe Resto
5/72 Clubman Gt

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Mick

Post subject: Re: Timing in Cam

Posted: Wed Feb 25, 2015 10:27 pm

SooperDooperMiniCooper ExpertEngineering

Joined: Fri Apr 29, 2005 9:46 am
Posts: 18887
Location: Under the bonnet son!

Its better to use the micrometer. The lobe center may be out from the aligned flywheel TDC.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

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man+van

Post subject: Re: Timing in Cam

Posted: Thu Feb 26, 2015 8:46 am

848cc

Joined: Sat Feb 16, 2008 5:17 pm
Posts: 112
Location: Sutherland, NSW

Awesome, thanks mick.
And perfect scoop, that was my next question. Now to rustle up a timing wheel

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justfanginaround

Post subject: Re: Timing in Cam

Posted: Thu Feb 26, 2015 4:18 pm

998cc

Joined: Tue Sep 19, 2006 1:20 pm
Posts: 883
Location: Airport West

viewtopic.php?f=2&t=86234&hilit=timing+wheel&start=0

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120bhp with 450kg just fun waiting to happen

We were prob. drunk when we set it up last and thought this will be a good idea

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man+van

Post subject: Re: Timing in Cam

Posted: Thu Feb 26, 2015 4:47 pm

848cc

Joined: Sat Feb 16, 2008 5:17 pm
Posts: 112
Location: Sutherland, NSW

Perfect!
Thanks Fang.

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