Ted,
Interesting point on setting the lash .002 over. A very good German friend of
mine worked as a mechanic while going to university over there. I asked
him why all german cars had valve rattle. Guess what? Same answer. I
think most if not all German mechanics set the valves loose.
Andy D.
On 09/27/98 12:48 PM Ted Schumacher said...
>
>isaac, the simplest and most accurate method follows:
>1. engine must be cold - preferably "overnight" not just a few hours
>2. remove the valve cover and put the car in 4th gear
>3. roll the car forward, always forward only, not backwards a couple
>feet. this removes all slack fromt the timing chain. if you roll
> the car backwards while in gear, you will create slack in the
>timing chain.
>4. now watch the rocker arm as you continue to roll the car. you will
> see the rocker(s) starting to push down the stem of a valve. when
>the valve is depressed as far as it can go, set the counterpart of
> the valve. this is where the "rule of 9" (4 cyl engine) or the "rule
> of 13" (6 cyl engine) comes into effect. starting at the front of
>the engine, count the first valve as #1 and then continue to the last
> valve which will be #8 on a 4 cyl or #12 on a 6 cyl. this will take
> a little practice to note the vale position as completely open and
> further rolling forward will allow the valve to start to
>close. you will notice a point at which the valve movement
>ceases. as soon as you have no further movement of the valve you are
>watching, adjust
> the valve that, added to the valve # you are watching will add up to
> 9 or 13. example, 4 cyl engine, you are watching valve #2. when #2 is
> fully open (valve stem depressed by rocker arm) you adjust valve #7.
> 2 + 7 = 9.
>5. repeat this process until all valves are adjusted. always set the
> valves, except overhead cam engines, .002" loose. rattling is cheaper
> than burning valves.
>6. NOTE> if you run out of psace to roll the car forward, take it out
> of gear, roll it backwards until you have room, then put it back
> 4th gear and continue to adjust the valves by rolling forward.
>
> good luck, ted
>-
>Ted Schumacher
>TS Imported Automotive
>404 Basinger Rd.
>Pandora, Ohio, USA 45877
>Ph. 800/543-6648 (sorry, USA only)
>Ph. 419/384-3022 - tech./general information
>FAX 419/384-3272 - 24 hrs
>New-Used-Rebuilt-NOS-Performance British car parts.
>We also have used sports cars for sale.
>Always 200 - 300 cars for parts in our British-only
>salvage yard.
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