wortdog
15+ Year Contributor
- 172
- 4
- Jun 23, 2003
-
Champaign,
Illinois
I set mine to around .0195 on top and .0230 bottom, but the motor is still sitting on the stand awaiting time to put it in.
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Ok so I just got done researching ring gap suggestions (including the 8 page thread)
Here is a good read:
Author Larry Carley
.....some engine builders who have switched the rings they use to a set that includes a "gapless" top compression ring say they've gained three to five percent more horsepower with no other changes. Gapless rings are available in popular sizes with various wear-resistant face and side coatings. On some engines, the second compression ring can be eliminated if a gapless top ring is used. Getting rid of the second compression ring cuts friction and adds horsepower, too.
SMOOTHER, FLATTER....
If you actually read this then you would see that the opinion of the author is to have a larger 2nd ring gap on an engine like the modified 4G63. I would agree.
Jake H
How far off would the gap have to be to cause massive blow by.. Like plugs covered in oil. Oil coming out of exhaust leaks..
How far off would the gap have to be to cause massive blow by.. Like plugs covered in oil. Oil coming out of exhaust leaks..
If I remember correctly. Wiseco's rings comes pregapped for their pistons already.