Bucket (solid) tappets

[Bob Rossato]

> The Type 44 Workshop manual (page 15) says the engine should be
> warm when tappet clearances
> are checked.  ("coolant above 35C").
>
> I'm putting together an engine that someone else took apart - I'd
> like to check the tappets
> before I lift the cam out of the head to do the valve stem oil
> seals on the bench.
>
> Anyone know a correction factor for a cold head?

The Bentley manual for my old VW Scirocco with a 1.8L lists the same 35C
requirement, but also recognizes that there may be a need to check it cold
and provides numbers for both.

Engine Warm
intake..................... 0.20 - 0.30 mm (.008 - .012 in.)
exhaust.................. 0.40 - 0.50 mm (.016 - .020 in.)

Engine Cold
intake..................... 0.15 - 0.25 mm (.006 - .010 in.)
exhaust.................. 0.35 - 0.45 mm (.014 - .018 in.)

Bob