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Forged vs Billet Crankshafts — what’s really different, and which one’s right for your build? At Spool Imports, we’ve designed and tested both types across LS, RB, and Barra platforms to handl...

Toyota’s 1JZ and 2JZ engines are two of the most iconic inline-sixes ever built. Found in Supras, Soarers, Aristos and Chasers, they’ve become the go-to platform for tuners and racers chasing big ...

A full-counterweight LS crank needs to be chosen with the block and machining plan, not just the desired engine capacity. Spool's 4.000-inch billet crank requires stock-block clearancing, so allow...

Choose the ring-gap specification before you start filing. The right gap belongs to the rings and engine you are assembling, not just the bore diameter or the word “turbo” on a calculator. Start ...

Find the Right LS Pistons in Seconds with Our New Piston Finder Building or refreshing an LS? Our new LS Piston Finder makes it simple to zero-in on the pistons that match your combo. Set yo...

Haltech iC-7 vs uC-10: Which Dash is Right for Your Build? Haltech’s digital dashes have quickly become the gold standard for performance enthusiasts who want crystal-clear, customisable data dis...

The Evolution of GM LS Engines: From LS1 to LS7 and Beyond | Spool Imports The Evolution of GM LS Engines: From LS1 to LS7 and Beyond The GM LS engine family has become a legend in the per...

Haltech Elite ECUs Explained: 550 vs 750 vs 1500 vs 2500 Haltech’s Elite ECU range has become one of the most popular choices for tuners around the world. With models to suit everything from a fo...

The Legendary Ford Barra: Australia’s Turbocharged Hero (and How to Build It Right) Published: 31 July 2025 Few engines shout “Aussie performance” like the Ford Barra 4.0...

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...