Here at Golen Engine we offer full line of High Performance LSx Engine Builds using all American Made components from trusted brands such as GM, Callies, Mahle and Comp Cams just to name a few. We also offer custom made pistons from both Wiseco and JE and custom ground street and race cams from both Bullet Racing and Competition Cams!

We have a full modern day machine shop in house featuring equipment such as the new Sunnen SV-15 cylinder hone for the straightest and roundest cylinders to ensure a perfect ring seal. All engine balancing is done in house on our Hines Dynamic Balancer for super smooth engine operation!

We have two in house Super Flow Engine Dynamometers that allow us to break the engine in and properly seat the piston rings as well as tune all modern day aftermarket EFI systems for both street and race use. Our dynos can handle up to 1500hp so big boost is always welcome and we are fully equipped for external dry sump oiling systems as well.

Is a 383 Stroker Good for Daily Driving? Real-World Pros and Cons

Is a 383 Stroker Good for Daily Driving? Real-World Pros and Cons

Key Takeaways: A properly built 383 stroker engine can be reliable and comfortable for daily driving when matched with the right cam, compression, and cooling components. Smart build choices—such as moderate hydraulic roller cams, pump-gas-friendly compression, and modern EFI—help achieve good drivability, manageable fuel economy, and low maintenance requirements. Golen Engine Service offers expert guidance …

Jeep JK Engine Swap: The Ultimate Guide for Off-Road Performance

Jeep JK Engine Swap: The Ultimate Guide for Off-Road Performance

Key Takeaways: Choosing the right engine—whether a V8 or a 4.6L stroker—is critical for balancing off-road power, reliability, and ease of integration in your Jeep JK. Proper planning for drivetrain compatibility, wiring, emissions compliance, and budgeting hidden costs is essential to avoid costly delays and ensure a successful swap. Expert support and quality components, like …

LT1 Engine Performance Guide: Unlocking Power for Racers

LT1 Engine Performance Guide: Unlocking Power for Racers

Key Takeaways: Building a competitive LT1 engine starts with defining your racing goals, fuel strategy, and selecting the right foundational upgrades for durability and performance. Addressing known LT1 reliability issues before they become failures is critical for consistent race-day power and longevity. Expert tuning, precision machining, and matched components are essential to unlocking the full …

Best Jeep Engine: Top Choices for Off-Road Performance

Best Jeep Engine: Top Choices for Off-Road Performance

Key Takeaways: A 4.6L stroker engine delivers the ideal balance of low-end torque, reliability, and bolt-in compatibility for most Jeep Wrangler off-road builds, outperforming stock 4.0L engines and simplifying installation compared to complex V8 swaps. Precision-built aftermarket engines, like those from Golen Engine Service, offer significant advantages over factory options—including blueprinted assemblies, forged internals, and …

LS7 Crate Engines Valve Issues: Causes, Symptoms, and Solutions

LS7 Crate Engines Valve Issues: Causes, Symptoms, and Solutions

Key Takeaways: Premature valve guide wear, often due to factory machining defects, is the leading cause of LS7 crate engine valve failures and can occur even in low-mileage engines. Early detection through systematic diagnostics is critical to preventing catastrophic engine damage. Upgrading to precision-machined cylinder heads with quality valve guides and disciplined maintenance practices significantly …

Understanding the Jeep 4.0L Stroker Torque Curve for Trail Performance

Understanding the Jeep 4.0L Stroker Torque Curve for Trail Performance

Key Takeaways: A Jeep 4.0 stroker engine delivers a broader, flatter torque curve, providing significantly more low-end power and throttle control for technical off-road terrain. Proper component selection and expert dyno tuning ensure that stroker builds maintain 88-95% of peak torque from as low as 1,800 rpm, reducing the need for frequent gear changes and …

What’s the Difference Between LT1 and LT4 Crate Engines?

What’s the Difference Between LT1 and LT4 Crate Engines?

Key Takeaways: LT1 and LT4 crate engines share a Gen V 6.2L foundation but differ dramatically in power delivery: the LT1 offers naturally aspirated, linear response ideal for street and balanced track use, while the LT4 delivers instant, supercharged torque for high-output builds. The LT4’s factory-forged internals, integrated supercharger, and enhanced cooling make it the …

LSX Engine: The Ultimate Guide for Street Performance Builds

LSX Engine: The Ultimate Guide for Street Performance Builds

Key Takeaways: The LSX engine block provides exceptional strength and durability, making it ideal for high-horsepower street builds that demand both reliability and performance. Compared to standard LS blocks, the LSX offers significantly higher power ceilings and operational headroom, ensuring cooler, more relaxed operation even in daily-driven vehicles. Golen Engine Service specializes in custom LSX …

Is the Jeep 4.0 Inline 6 a Good Engine? All The Answers You Need

Is the Jeep 4.0 Inline 6 a Good Engine? All The Answers You Need

Key Takeaways: The Jeep 4.0 inline-six engine is renowned for its exceptional reliability and longevity, often exceeding 200,000–300,000 miles with basic maintenance. Common issues are well-documented and easily addressed with straightforward repairs or upgrades. Upgrading to a 4.6L stroker crate engine from Golen Engine Service offers a significant boost in torque and power. Ask any …

Understanding Jeep 4.0 Stroker Dyno Results

Understanding Jeep 4.0 Stroker Dyno Results

Key Takeaways: Stroker builds deliver 80+ more horsepower and 60+ lb-ft more torque than stock, with the biggest gains in the 1,500-4,000 rpm range where you actually drive. The broad, flat torque curve matters more than peak numbers—it’s what reduces downshifts and improves throttle response on trails. Professional dyno break-in validates power output and ensures …