Today’s import-performance engines are generating more power per cylinder than ever before. On the street or at the track, it is not uncommon for these engines to be modified to generate four to six times the original horsepower output. There are now four-cylinder engines generating over 1,500 horsepower while six-cylinder […]
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Quick Tech | RB26 Cylinder Head and Valvetrain Survival Guide: Part 1
While the recent influx of RB-powered GT-Rs has caused a flood of RB engine builds, DSPORT has been developing the RB26 engine for the past 20 years. While others are relying upon an abundance of misinformation on the internet, we know what works and what doesn’t and we’ve been the […]
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Engine Tech | Supertech’s S54 Cylinder Head Spit Shim Solution
Of all the common engine configurations, the inline-six-cylinder design outshines all others in terms of strength and reliability. The reasons are simple. Each and every connecting rod has its dedicated rod journal (no sharing like V6 and V8s), and a total of seven main caps hold the crankshaft in place […]
Read More![OS Giken: Behind the Scenes [VIDEO]](https://dsportmag.com/wp-content/uploads/115-Tour-OSGiken-000-Lead.jpg)
OS Giken: Behind the Scenes [VIDEO]
In a quiet neighborhood of Okayama Prefecture, Japan, a legendary engine tuner and manufacturer humbly conducts business. OS Giken (which stands for Okazaki Speed Technical Research), known worldwide for its high-performance engine and driveline components, is the lifelong project of performance fanatic Okazaki-san. DSPORT made the trek to Okayama, Japan […]
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How To: Five Ways to Build a Bulletproof Engine Block
What is bulletproofing? In terms of high-performance engines, bulletproofing refers to increasing the power handling capacity of an engine beyond the desired power level. Depending on the design of the engine and the magnitude of the power handling increase desired, the bulletproofing process will vary. The parts and processes needed […]
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Quick Tech: Using Dry Ice When Inserting Cylinder Sleeves
Over in our machine shop, we show you the benefit of using the dry ice to fit in your cylinder sleeves more easily. • Insert cylinder sleeves into cooler of dry ice and heat engine block to 250 ºF . • Remove engine block after 30 minutes of heating. • […]
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Cylinder Head 101: Getting the Chambers and Ports In Shape
Like the cylinder block, the cylinder head is also responsible for holding a number of other components, namely the valvetrain. The valve guides, valve seats, valves, valve springs, valve retainers, valve locks, buckets, followers, lash caps and camshafts are all fitted to the cylinder head. In addition to this responsibility, […]
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