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Join Date: Aug 2007
Posts: 2
Turbo 3.3 valve clearances

I'm about to adjust the valve clearances and change the plugs on my 964 3.3 Turbo using the method posted by 2.7Racer here:
http://forums.pelicanparts.com/register.php?a=act&u=47107&i=1221458

If I understand it correctly then the procedure is remarkably straightforward;
1. Remove valve covers
2. Turn engine so that required valve is closed
3. Measure at the opposite end of the rocker, at the cam lobe end (measuring from the top for the exhaust valve, and from the bottom for the inlet valve).
4. Clearance should measured used feeler gauges in the order of .004 (too loose) -> .003 -> .002 (too tight).
5. Tighten/loosen as required.

Should the clearances on my turbocharged engine be the same as the normally aspirated 911 engine though?

Old 08-15-2007, 01:26 AM
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Join Date: Aug 2007
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Ok, for anyone interested I have had it confirmed that the valve clearances on the 964 na and turbo are the same.

Cheers

-John

Old 08-15-2007, 04:39 AM
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