Jeep 4.6 Cooling System

We have had quite a few customers ask about what keep this engine cool and here is a list of what you will need: Areas of the country where there is not extreme heat Stock Radiator will work in most cases (makes sure yours is in good shape) Stock Clutch Fan Stock 190 Degree Thermostat …

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LS1 Vs. LSx Engines: What Is The Difference?

If you’re shopping for a crate engine to drop in your classic car or street rod, an LS is often an excellent choice. A problem you may face though, thanks to the naming convention used for GM engines, is this: Do you want an LS1 or what engine builders like us refer to as an …

What Makes LS Engines So Great?

When it’s time for an engine swap, the LS is a popular choice. It fits just about any vehicle and can generate lots of horsepower. Whether you’re upgrading an older GM vehicle or building something special, an LS engine might be just what you need. Here, we’ll share some information about the LS, explain what …

Morel Hydraulic Roller Lifter Adjustment Procedure

Street Performance: The Street Performance hydraulic lifters are made from a cold formed body with a clipped axle and have a 6500 rpm capability. These lifters have .120″ plunger travel and have an 80% fill rate with the test oil. The lifter wheels in this series are .700″ diameter. Recommended Spring Pressure: 100-180lbs Seat Pressure …

Jeep driving through sand
Keeping your Jeep Engine Running Cool

We have quite a few customers calling and asking about the best way to keep their Jeep engine cool when running in hotter regions of the country. Here is New England we do not seem to have a problem with this since the weather never gets too hot, in fact my 2006 Rubicon runs 210 …

Hydraulic Camshaft Break In Procedure

Hydraulic Cam & Lifter Break-In: Updated Procedure For Hydraulic Roller & Flat Tappet Camshaft Break-In While many think break-in procedures are just for flat-tappet cams, testing has shown that today’s close-tolerance hydraulic lifters greatly benefit from a dedicated break-in procedure. A recent two-year study of valve train break-in procedures has discovered a new direction in proper …

red Jeep Wrangler driving through desert
Why You Should Get A Custom Crate Engine For Your Jeep

No engine lasts forever. No matter how much you baby your pride-and-joy, the day will come when you realize the motor isn’t up to the job. Perhaps it starts burning oil, or maybe you’re tired of being passed by cars with more horsepower and torque. Whatever the trigger, sooner or later you realize something must …

LS engine
Your Comprehensive Guide To The LS Engine Family

It was 1955 when Chevy engineers unveiled the “small block” V8. Clearly, they knew what they were doing because it’s still going strong. Of course, there have been some changes over the years, and Chevy’s parent, GM, defines these by “generation.” Thus, there’s a Gen I, a Gen II and so on, up to the …

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Welcome to Golen Engine

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 …