[TR] ring gap ect.

[Tony Drews]

With my old liners, I didn't need to file the rings.  But, I put a 
nice groove in one of them several years ago so replaced them.  Now I 
need to file both the top and 2nd ring before assembling.  This is 
for a TR-4 with 87 MM pistons, using Deves rings.  Since I rebuild it 
every year, eventually I'll get the new liners honed to where I don't 
need to file so much off of the rings.  :)

Not quite what you wanted to hear, I'm sure.  It is possible to pull 
the head and pull the pistons to check that out with the engine in 
the car.  The cost is a head gasket, possibly manifold gaskets and a 
pan gasket plus a day or two's time.  Getting it wrong is more 
expensive.  It will generally cost you a set of pistons, possibly a 
set of liners, and if really bad there's a small chance that the 
piston would come apart which adds a head and valves to the price, 
possibly some valvetrain items too.

Tony Drews

At 09:18 PM 12/13/2011, Gary Nafziger wrote:
>Every once in a while during a complete restoration, that's taking several
>years, a person gets the frightening realization that he can't remember doing
>some critical measurement or task, that if not completed will bring down the
>whole project during the first drive.
>This came to mind while reading the
>post on rings and ring gap.  I think I checked ring gap on my tr-3 engine
>during assembly a long time ago but really can't remember.  Hopefully next
>summer will be start up and trouble shooting time and I want that to go well.
>My question is to those who have assembled engines more than I have.  How
>common is it to have to file rings to get the correct gap?  I'm sure on my
>last re-build on my tr-6, the rings needed no correction.  I'm hoping you will
>all say they are usually correct and don't need filing.LOL
>
>
>Just kind of
>paranoid here and need some soothing.LOL
>
>gary n.
>
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