You'll probably file to achieve the correct gap or check and make sure they
are the right manufacturer. How big in diameter are they?
Sam
In a message dated 4/4/2011 10:59:49 A.M. Central Daylight Time,
fogbro1@comcast.net writes:
List,
In attempting to assemble the 3 piece oil control ring, I found that the
expander-spacer is too long, preventing the installation of the two other
rings of this set. The expander-spacer also does not fit the bore. No big
surprise, but I thought I'd check it in the bore as well as on the piston. All
other rings, compression and oil, fit the 86mm std. bore with a .012 gap.
I tried the oil control ring set from the second Grant ring set with the
same result.
The (used) pistons are British made AE, 4 ring. They were installed with
the current liners as the engine came to me. There is virtually no wear in
piston or liner. The liners were honed to break the glaze.
I have on hand two sets of Grant rings for these pistons.
A few questions for the List:
1. Has anyone experienced this problem with Grant ring sets?
2. Should I just forget about the expander ring set and use a single,
plain oil ring above the wrist pin?
3. Should I use two standard oil rings, one above and one below the wrist
pin by using an additional ring from the second ring set?
Any insights/comments welcome.
Ed Woods
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