Uploaded February 2026 | Updated September 2026, 2 weeks ago
If you haven't tested your valve springs, you don't know your valvetrain or what it can handle.
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Upgrading a camshaft is one of the most common ways to increase engine power, but higher lift and longer duration place far greater demands on the valvetrain. To maintain control at high engine speeds, upgraded valve springs are essential, and simply following the supplied installed height specifications is often not enough.
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TIME STAMPS:
0:00 - Why Cam Upgrades Require Upgraded Valve Springs
0:09 - Controlling The Valvetrain At High RPM
0:22 - What A Valve Spring Kit Actually Tells You
0:41 - The Problem With Trusting Installed Height Specs
0:54 - What A Valve Spring Tester Does
1:01 - Finding The Installed Height For Your Target Seat Pressure
1:09 - How To Check Coil Bind Clearance
1:22 - How Valve Springs Lose Tension With Age
1:30 - What To Check During A Freshen Up
1:37 - When It Is Time To Replace Your Springs
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------------------------------------
#highperformanceacademy #buildtunedrive #enginebuilding #valvetrain #valvesprings #camshaft #highrpm #performancetuning
If you haven't tested your valve springs, you don't know your valvetrain or what it can handle.
🔵 Building a fast car? Get $400 OFF the all-inclusive VIP online course package deal: hpcdmy.co/valvip
✊50% OFF your first online engine-building course. Enrol now: hpcdmy.co/buildyourenigne
Upgrading a camshaft is one of the most common ways to increase engine power, but higher lift and longer duration place far greater demands on the valvetrain. To maintain control at high engine speeds, upgraded valve springs are essential, and simply following the supplied installed height specifications is often not enough.
------------------------------------
TIME STAMPS:
0:00 - Why Cam Upgrades Require Upgraded Valve Springs
0:09 - Controlling The Valvetrain At High RPM
0:22 - What A Valve Spring Kit Actually Tells You
0:41 - The Problem With Trusting Installed Height Specs
0:54 - What A Valve Spring Tester Does
1:01 - Finding The Installed Height For Your Target Seat Pressure
1:09 - How To Check Coil Bind Clearance
1:22 - How Valve Springs Lose Tension With Age
1:30 - What To Check During A Freshen Up
1:37 - When It Is Time To Replace Your Springs
------------------------------------
🏆 Win FREE ECUs, engine components, wiring tools, alignment setups and more. Enter now, no purchase required: hpcdmy.co/giveaway
🏎 Free EFI tuning lesson: hpcdmy.co/EFI101y
💻 How to reflash tune your stock ECU: hpcdmy.co/hptly
⚠️ Motorsport wiring introduction: hpcdmy.co/wiringlessonyt
🧑💻 CAD & 3D scanning lesson: hpcdmy.co/learnCADnow
🧰 Performance engine building basic: hpcdmy.co/eby
🔧 DIY align your car for the track or street: hpcdmy.co/aljyt
🛻 Performance diesel engine tuning, 4 free lessons: hpcdmy.co/essential-diesel-knowledge
🕸️ Website and full course range: hpcdmy.co/hpa
🎤 HPA Tuned In podcast: hpcdmy.co/podcast
👙 Merch (HPA tees & hoodies): hpcdmy.co/merchy
------------------------------------
#highperformanceacademy #buildtunedrive #enginebuilding #valvetrain #valvesprings #camshaft #highrpm #performancetuning
