TC tappet clearance-fast road cam

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Ross Taylor
Posts: 464
Joined: Thu Apr 25, 2013 3:34 pm
Location: Tea Gardens NSW Australia

TC tappet clearance-fast road cam

Post by Ross Taylor » Sat May 18, 2013 5:54 pm

I have just started up the new motor in TC4284 . After a couple of minutes running the water pump seal let go so I am waiting for a new unit from Doug Pelton ( should arrive tomorrow ), when in the UK I purchased a fast road cam from the Octagon Car Club . Can anyone advise me of the recommended tappet clearances and the valve timing for this cam ?
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Max Irvine
Posts: 28
Joined: Mon Mar 04, 2013 2:18 am

Re: TC tappet clearance-fast road cam

Post by Max Irvine » Sun May 19, 2013 3:53 am

G'day Ross,
Did you ask the Octagon Car Club if they have this information? If they sell it they should have the info or be able to tell you where to get it.
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Rick Waters
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Location: Vancouver, Canada
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Re: TC tappet clearance-fast road cam

Post by Rick Waters » Tue May 21, 2013 7:52 pm

When I purchased the Crane cam for my XPAG, it came with a data and spec sheet that gave the valve clearance information. (18 thou inlet, 20 thou exhaust, as near as I can remember).

And yes, I left the ".019" brass plate on the valve cover, as it is the average, right?
Rick Waters, TC 7881 in Vancouver

Owned since 1988, Driven many happy miles!
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Ross Taylor
Posts: 464
Joined: Thu Apr 25, 2013 3:34 pm
Location: Tea Gardens NSW Australia

Re: TC tappet clearance-fast road cam

Post by Ross Taylor » Wed May 22, 2013 4:32 am

OK
Rang the Octagon CC last night
Cam 70 38 overlap 110 degrees tappet clearance 0.012
any suggestions to what I have installed.
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