Gearing and Converter Options for Camaro and Corvette (Part 1 – Manual Cars)
Introduction: You don’t need to browse social media or a technical forum for very long to find a thread about “which gear (and converter –
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Introducing our Brand New High Compression Dome Piston and Rods Kit for the LS3!
https://youtu.be/tXBVzeCQxwo As GPI customers and GPI builds have become a force to reckon with in the naturally aspirated racing scene, we could not help but
Remote Tuning for LS & LT Engines: Getting Started, Reading & Flashing Tunes, and Data Logging!
Remote Tuning for LS & LT Engines: Step by Step Guide Building a LS or LT powered vehicle and need tuning? From bolt ons, camshaft
The Ultimate LS3 Intake Manifold Dyno Shootout!
We get a lot of questions about intake manifolds, and because our recommendations vary depending on use and application – we thought it would be
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Recent Reviews
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The folks at GPI are both professional and very knowledgeable. I was treated fairly. All my questions were answered to my satisfaction. They will treat your baby as if it was their own. I was briefed every step of the way. It is apparent the fine men there are dedicated to satisfying the customer.
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GPI FTW simple as that. The customer service is the best. You can't go wrong with buying from these guys.
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These guys tuned my 2016 Sierra and after having it for about two days now, I absolutely love how it changed this truck. Better fuel economy, none of that sluggish GM shift points. 10/10 in my books and A+ customer service, I would trust these guys with any performance work that you need.
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Bought their ported/rod modded intake manifold for my 2010 Camaro SS L99 and holy crap, it's amazing! The porting looked well done and I am very impressed!
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Great customer service. Been bothering Dan for 3 days asking many questions, some over and over again, and he answered all of them like an expert. Bought 3.91 gears from them yesterday and will be going back shortly for a cam. Appreciate it fellas!
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Great people and great service.
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