The most critical thing to check when installing piston rings is the end gap.
Lq9 piston ring gap.
3 small block engine used in gm trucks between 2002 and 2007.
I have been searching this forum and ls1tech with no results.
Do with the info what you choose.
This gap should be as small as possible during operation.
Ring end gaps must be properly set to make sure the gap allows minimum combustion pressure to pass between piston and bore.
Follow the ring gap instructions for the pistons you are using.
Piston ring end gap first compression ring measured in cylinder bore production.
Piston ring end gap second compression ring measured in cylinder bore production.
Lq9 piston ring gap.
This is also just one test so cannot verify consistency for gap bas.
If i have a balanced and honed lq9 6 0l.
For marketing purposes it was also known as the vortec ho 6000.
The ideal situation sees this gap held to an absolute minimum.
Never use oem ring end gap specs as the material and applications are wildly different.
One place where these small things can pay off is with the piston ring gap.
This is a discussion on lq9 piston ring gap within the nitrous forums part of the lsx technical help section category.
A ring must have a split in it so you can slip it over the piston top and into place.
Engine engine mechanical 6 0l 6 7 2002 engine mechanical 6 0l specifications fastener tightening specifications specification application metric english.
Any power will put you well past the limitations of the stock injectors and pump.
Piston ring end gap first compression ring measured in cylinder bore service.
We often get calls about people setting ring gaps to oem specs which can be as little as 1 3 the amount of ring gap that s actually required.
Episode 3 of our series on how to build a junkyard ls engine.
Check out our chan.
Just showing the ring gap on a 200k ish mileage engine.
This can directly bleed off the precious cylinder pressure that is so difficult to achieve.
It stands to reason that a large gap at the end of the ring makes for an easier leak path.
In general the lq4 and lq9 will see boost or nitrous before serious head work.
Before we get into the power adders there s a couple things to address.
