Lq9 Piston Ring Gap

Ring end gaps must be properly set to make sure the gap allows minimum combustion pressure to pass between piston and bore.

Lq9 piston ring gap.

A ring must have a split in it so you can slip it over the piston top and into place. I have been searching this forum and ls1tech with no results. This is a discussion on lq9 piston ring gap within the nitrous forums part of the lsx technical help section category. Episode 3 of our series on how to build a junkyard ls engine.

The lq9 is a 6 0l gen. 3 small block engine used in gm trucks between 2002 and 2007. This can directly bleed off the precious cylinder pressure that is so difficult to achieve. One place where these small things can pay off is with the piston ring gap.

Piston ring end gap first compression ring measured in cylinder bore service. Do with the info what you choose. Follow the ring gap instructions for the pistons you are using. 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 production. For marketing purposes it was also known as the vortec ho 6000. Lq9 piston ring gap. Piston ring end gap second compression ring measured in cylinder bore production.

This gap should be as small as possible during operation. Check out our chan. The ideal situation sees this gap held to an absolute minimum. This time we install connecting rods and pistons into the 5 3 l33 ls engine.

Engine engine mechanical 6 0l 6 7 2002 engine mechanical 6 0l specifications fastener tightening specifications specification application metric english. It stands to reason that a large gap at the end of the ring makes for an easier leak path. 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. Before we get into the power adders there s a couple things to address.

This is also just one test so cannot verify consistency for gap bas. Just showing the ring gap on a 200k ish mileage engine. If i have a balanced and honed lq9 6 0l. In general the lq4 and lq9 will see boost or nitrous before serious head work.