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Under the Hood: Tech Articles
What Is E85 Fuel? Octane Rating, Benefits, And Whether Your Car Can Run It
What is E85 fuel? Learn how it works, its benefits, vehicle compatibility, performance advantages, and key considerations before use.
What Is Nitromethane? How Drag Racing's Most Powerful Fuel Works
Learn what nitromethane is, why racers use it, and how its unique chemistry delivers extreme power in professional motorsports today and in competition use.
Engine Overheating After Switching Fuels? Here's Why
Stalling after switching to methanol points to injector sizing, fuel pump flow, or cold-start tuning. VP Racing walks through the causes and how to fix...
Why Is My Car Stalling After Switching to Methanol Fuel?
Stalling after switching to methanol points to injector sizing, fuel pump flow, or cold-start tuning. VP Racing walks through the causes and how to fix...
Ethanol-Free vs. Ethanol-Blended Fuel for 4-Cycle Engines: What's the Difference?
Ethanol in pump gas damages carburetors, degrades fuel lines, and shortens storage life. VP Racing explains the difference ethanol-free 4-cycle fuel makes.
How to Choose the Right 2-Cycle Oil for Your Motorcycle
Choosing 2-cycle oil for a motorcycle starts with ratings, application type, and base stock. VP Racing breaks down what to look for and why it...
How to Find the Right Oil-to-Fuel Ratio for Your 2-Stroke Engine
A rough-running 2-stroke engine often traces back to the oil mix, oil quality, or carbon fouling. VP Racing walks through the causes and how to...
My 2-Stroke Engine Is Running Rough — Could It Be the Oil?
A rough-running 2-stroke engine often traces back to the oil mix, oil quality, or carbon fouling. VP Racing walks through the causes and how to...
Best Practices for Using Octane Boosters Safely
Get the most from an octane booster without risk. VP Racing covers correct dosage, emissions system compatibility, what to avoid, and how to apply it...