Post Tagged with: "piston rings"

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Parts

Parts Bin: Summit Racing Pro LS Piston Rings

Piston rings are a critical part in any engine. It’s amazing what they put up with when you really think about it. The top ring provides a near-airtight seal against […]

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Tech Articles

Mailbag: How to Fix an Oil-Burning 1989 GMC 1500 4×4 Pickup

Q: The culprit is a 1989 GMC 1500 4×4 with a 350, automatic with overdrive, a 3.42 axle, and over 150,000 miles. It has recently developed a powerful thirst for […]

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Q&A

Ask Away! with Jeff Smith: Cylinder Wall Glazing – What it is and How to Get Rid of It

This may sound like a simple question, but what is cylinder wall glazing and how is it created? I hear about it all the time when people talk about piston […]

High-Po Piston Tech: What You Should Know About Ring Lands and Grooves
Tech / Tech Articles

High-Po Piston Tech: What You Should Know About Ring Lands and Grooves

When it comes to pistons, the most common arrangement you’ll encounter makes use of three piston rings — compression, second, and oil. Today, we’re turning our focus to the areas of the […]

Ask Away! with Jeff Smith: Piston Ring Thickness and Why Thin is In!
Q&A / Tech / Tech Articles

Ask Away! with Jeff Smith: Piston Ring Thickness and Why Thin is In!

I’ve heard that late model engines now run much thinner rings than the older production engines. Are these thinner rings just there to improve fuel mileage or is there a […]

The oil ring expander is usually installed first, followed by the oil ring scrapers. The only trick here is to make sure the ends of the expander don’t overlap.
How Tos / Tech

Gap Rap: How to Measure and Set Piston Ring End Gap

When you shop for high performance piston ring sets, you’ll no doubt find there are many different sets and styles available (no big secret). And many of these ring sets are […]

It’s often possible to hand-push the piston and rod assembly into the bore, guiding the rod so that it falls in place over the crankshaft rod journal. Other times you will need to very light tap the assembly in with the handle end of a clean plastic hammer. If you need excessive force to push the piston through the ring compressor into the bore, it usually means the oil ring expander rails are overlapped.
Tech / Tech Articles

Piston Primer: How to Properly Install Pistons

You’ve seen it—somebody trying to install pistons and ending up with pinched or broken piston rings or so much oil in the bore their shoes are drenched. It doesn’t have […]