Speartech vs. Street \u0026 Performance ECM Comparison

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Speartech 6.6L L8T Standalone Swap Harness Run Test

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Speartech LT5 / 10L Swapped 1969 Chevy C10

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Speartech LT4 / 10L90 Swap Harness Preview

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Speartech Gen 5 V8 LT4 8L90 Standalone Swap Harness Preview

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Speartech LT4 / 8L90 into '69 Chevy C10 - Time Lapse

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V8 Swapped Miata vs Ford Mustang GT Drag Race \u0026 Roll Race

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Battle of the @Kibbetech Builds! 1250hp Twin Turbo V8 Raptor vs Ranger Edge in Dirt Drag Racing

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Daily Driver Drag Duel! 1000hp Chevy Trailblazer races 900hp Dodge Hellcat

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World's first 10spd Swapped Chevy SS Sedan Review. How does it drive?

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Exhaust Back Pressure Myth DEBUNKED!

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The M4 vs M7 Sig Spear NGSW [feat. GBRS Group]

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Busting 25 Shadow X Sonic Generations Myths

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Standalone LS Swap Harness: If I Can Do It, You Can Do It

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4 Turbos but who will hook? 1200hp Mustang Drag Races 1500hp Nissan R35 GT-R

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What No One Tells You About Engine Swaps! Best Engine To Pick?

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Speartech LS9 Supercharged Camaro

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Speartech Gen 5 V8 LT1 Standalone Swap Harness Preview

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Speartech's 91 Z28 LS9 Supercharged Drag Racing

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Speartech's 91 Z28 LS9 Supercharged Drag Racing #2

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Speartech's 91 Z28 LS9 Supercharged Drag Racing #3

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Speartech Gen 5 LT1 Harness \u0026 ECM First Run Video C7 LT1 Sting Ray Corvette

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Speartech 91 Camaro Z28 LS9 Supercharged Drag Racing

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Speartech 6L80 \u0026 6L90 Tap Shift Gauge Package

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Speartech's 91 Z28 LS9 Supercharged Drag Racing #2

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Speartech's 91 Z28 LS9 SC Dyno 610RWHP!!!

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LS Swap Wiring Harness – Plug-n-Play vs. DIY Harnesses

(4:44)

Speartech's 91 Z28 LS9 SC on the Dyno!

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Speartech's 91 Z28 LS9 Supercharged Drag Racing #3

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Speartech 6L80 / 6L90 Gear Indicator

(2:31)