Most Popular Tech Tips
- Installation of Compression Rings
- Installation of 1- or 2-Piece Piston Oil Rings
- Installation of 3-Piece Oil Rings
- Piston Rings: Which Way’s Up?
- Ring Nomenclature
- Hastings Piston Ring Set Composition Recommendations
- Ring Groove Depths of Piston Rings
- Checking Compression Ring Gaps
- Explanation of Piston & Ring Terms
- Ring Installation: How to Install Piston Rings
Most Popular FAQs
Is my ring set double Moly (top and 2nd groove)?
No - only the top ring in the set is Moly filled.
Are the dimensions in metric?
Can I get a "file to fit" ring set?
File fit sets are available in the performance racing rings only.
Can I work on TecDoc offline?
Yes, the TecDoc cd can be used offline. It is updated quarterly
Compression rings have an inside bevel - which way does the bevel go?
ID bevel rings should have a dot to indicate the top of ring. Positive twist rings ID bevel up, whereas negative twist rings ID bevel down so be sure to check for the dot.
Do I need a username to use TecDoc?
Do I need to know the radial wall of the ring set before I purchase the set?
The ring set for the engine is manufactured to fit the OE engine application, so you do not need to know the radial wall.
Do many people use TecDoc?
More than 1.3 million engine enthusiasts use TecDoc.
Does my ring set have a Low Tension oil ring?
A Hastings oil rings are manufactured to fit the OEM requirements, meaning if the original ring set had lower tension the Hastings set will also have lower tension. With performance ring sets and motors the tension is listed in the performance catalog. (5 MB, PDF)
Does my ring set have the SHALLOW OIL RINGS (my piston is shallow)?
If the ring set was selected based on the year, make and engine model, the correct rings will be in the set if shallow oil rings are needed for that engine.