Can you feel any ridge with your fingers? If yes, you can measure it by
placing a piston ring squarely in the bore at the top (carbon cleaned off
of course) and measuring its end gap with feeler gauges. Then place the
ring squarely just below the ridge and measure the gap. Divide the
difference by pi (or three, what the hell) for the total bore wear.
If there is cam wear, you cansee and feel it on the nose of the worn
lobe--the rocker doesn't cover the whole lobe.
Head cracks will run from the exh valve seat across the gasket face to the
nearest water jacket, on one of the middle cylinders.
Good luck!
Brian Holm
At 09:16 AM 2/16/99 -0700, Rulon Pope wrote:
>I finally got the head off yesterday. I haven't undone the Turbo yet. I
>will be working on the pan next.
>
>I have several questions:
>
> 1. I assume that I should lightly hone the cylinders.
>
> 2. I don't have micrometers to measure the bore and size of the
>pistons for wear. On motorcycles, I can pretty much figure it out by
>feel and occasionally a feeler gauge. Can a feeler gauge suffice here
>(can't recall what the manual says).
>
> 3. Any suggestions about the kind of rings and honing.
>
> 4. Should I take the turbo off and have it tested or replace
>anything as a matter of course.
>
> 5. On the head all looks well except for a burnt exhaust valve. If
>there are cracks I can't see them yet.
>
> 6. There seems to be great disagreement about whether cams should be
>ground. Can any competent machine shop check them locally? Or should I
>just go with what I've got.
>
> 7. Would anyone have a nice reground or newer cam cheap?
>
>Thanks Rulon.
>
>
Brian Holm, Peugeotholm
Supplying parts for Peugeots only, since 1969
Plainfield, VT 802.454.7132 Fax 454.1310
Alternate E-mail: peugeots@together.net and
peugeotogo@aol.com