High-Performance Engine Building Basics: Valve Spring Preparation and Installation

by | Jan 2014 | 3 comments

This series is as hands-on as possible, and informs you of subtleties you just won't find anywhere else.

Never assume that you are accurately measuring anything unless you’ve got standards to use for calibration. I want to know if my spring height ...

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Two Vexing Volvos Violate Validated Valvetrain Viewpoints

Two Vexing Volvos Violate Validated Valvetrain Viewpoints

We can get lost very quickly if we are not savvy to the fact that the engine is the actual modulator for the computer controlling it. Wow. Sometimes in the world of diagnostics, we run into some extremely hard to solve technical problems. Most of the time these days,...

read more
Resealing Volvo XC90 V8 Front Engine Cover

Resealing Volvo XC90 V8 Front Engine Cover

An oil leak or burning smell might indicate a leak from the front engine cover. Here's the procedure for resealing front engine covers. You might have a customer that comes in complaining about an oil leak or maybe a burning smell. On the Volvo XC90 V8, the front...

read more

3 Comments

  1. rleavy

    Thank you very much!!

  2. rleavy

    Thanks for an excellent article! I recently purchased a media tumbler and trying to polish a set of springs. I am using the walnut shells but I am curious as to what polishing agent you use and what the blend ratio would be.
    Thanks, Randy

    • Performance Technician

      Hi Randy,

      Thanks for your comment. We spoke with our technical editor, Greg, and here’s what he has to say:

      I use Dillon brass polishing compound, about a half bottle at a time (a lot more than they recommend) and I tumble for 24 hours….
      Dillon is a big reloader company for ammunition…http://www.dillonprecision.com
      Dillon Rapid Polish 290

      Hope that helps.

Submit a Comment

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Two Vexing Volvos Violate Validated Valvetrain Viewpoints

Two Vexing Volvos Violate Validated Valvetrain Viewpoints

We can get lost very quickly if we are not savvy to the fact that the engine is the actual modulator for the computer controlling it. Wow. Sometimes in the world of diagnostics, we run into some extremely hard to solve technical problems. Most of the time these days,...

read more
Resealing Volvo XC90 V8 Front Engine Cover

Resealing Volvo XC90 V8 Front Engine Cover

An oil leak or burning smell might indicate a leak from the front engine cover. Here's the procedure for resealing front engine covers. You might have a customer that comes in complaining about an oil leak or maybe a burning smell. On the Volvo XC90 V8, the front...

read more
Mercedes-Benz M264/M260 1.5/2.0L Engine

Mercedes-Benz M264/M260 1.5/2.0L Engine

We’ve previously looked in depth at the M270/274 and M276 engines. What about their replacements? What’s new about this engine plus service tips and hints. Also an introduction to the M254 engine. Replacing the M27x-series engines, the M260/264 engines have already...

read more

3 Comments

  1. rleavy

    Thank you very much!!

  2. rleavy

    Thanks for an excellent article! I recently purchased a media tumbler and trying to polish a set of springs. I am using the walnut shells but I am curious as to what polishing agent you use and what the blend ratio would be.
    Thanks, Randy

    • Performance Technician

      Hi Randy,

      Thanks for your comment. We spoke with our technical editor, Greg, and here’s what he has to say:

      I use Dillon brass polishing compound, about a half bottle at a time (a lot more than they recommend) and I tumble for 24 hours….
      Dillon is a big reloader company for ammunition…http://www.dillonprecision.com
      Dillon Rapid Polish 290

      Hope that helps.

Submit a Comment