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Choosing the Right Turbo Size: A Beginners Guide So, you’re ready to turbo your ride or upgrade that old unit? Choosing the right turbo isn’t just about bolting on the biggest snail you can fin...

Build Any RB Your Way — With Spool-Engineered Strength Whether you're building a high-revving RB20 for the track, a tough RB25 street motor, or a full-send RB34 drag weapon, one thing’s for sur...

Building an Extreme Boosted LS V8 Engine If you’re chasing serious horsepower from your LS build – think 1,500hp, 2,000hp, or even more – it all starts with the right foundation. At Spool Imp...

Building the Ultimate Nissan RB34 Stroker Engine | Spool Imports Building the Ultimate Nissan RB34 Stroker Engine If you’re serious about squeezing maximum capacity fro...

300M vs 4340 Steel in Conrods: What’s the Difference? If you’re building a serious performance engine, choosing the right material for your conrods is critical. Both 4340 and 300M are high-stre...

How 6Boost Manifolds Are Made – And Why They’re the Best in the Game If you’re chasing big boost and serious horsepower, the name 6Boost needs no introduction. At Spool Imports, we’ve been ...

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Why Getting Your Piston-to-Bore Clearance Right Matters – Especially with Forged Pistons By Spool Imports When you're building a performance engine, especially with forged pistons, one of the mo...

Balancing Compression Ratio and Boost for Maximum Power Balancing Compression Ratio and Boost for Maximum Power If you're chasing power, you've probably heard the debate about ...

How to Choose the Right Haltech ECU for Your Build How to Choose the Right Haltech ECU for Your Build If you're serious about tuning and getting the most out of your engine build, a high-q...