EngineLabs

EngineLabs EngineLabs is the leading online resource for performance engine technology.

We go far beyond covering just the “hardware” used by this fast-paced community, because there’s much more to engine technology than new parts. We go far beyond covering just the “hardware” used by this fast-paced community because there’s much more to engine technology than new parts. EngineLabs will explore the tactics, rationale, and strategy that guide the creative minds who are obsessed with

making horsepower. We will explain the “whys” and “hows” of the engine more than the “what” and “where.”

The science of horsepower is distilled into magazine form at EngineLabs, which provides the sort of in-depth engine tech found nowhere else on the internet.

Let’s face it, no one will ever definitively win the carb-vs.-EFI argument, if for no other reason than the fact that pe...
09/08/2025

Let’s face it, no one will ever definitively win the carb-vs.-EFI argument, if for no other reason than the fact that personal opinions come into play. Until recently, the carburetor camp has always had the same reasoning as to why carburetors were better: the location and manner of fuel introduction with a carburetor lends itself to reduced intake charge temps because of the efficient atomization of the fuel.

That is until companies started releasing carburetor-style throttle bodies with injectors nestled in the fuel bowls. Then, the argument was, “carbs are simpler. Just bolt one on and go.” But, that has been countered by extremely simple-to-operate EFI systems becoming prevalant.

With all of the empirical benefits the carburetor has traditionally enjoyed, matched, the only metric left is whether or not the carburetor makes more power. So, Ben Strader put both to the test on the engine dyno, and well... the results between the two don't settle the debate, because the numbers are so close to one another. Like, the same number. So, a tie might actually be a win or a loss, depending on how you're looking at it. Check out the full article on EngineLabs.

Interesting... Thoughts on these rods?
09/07/2025

Interesting... Thoughts on these rods?

Let's take a quick step away from LS Vs. Coyote for a second, and talk about another overhead cam debate...
09/07/2025

Let's take a quick step away from LS Vs. Coyote for a second, and talk about another overhead cam debate...

Which one of our more recent project engines has been your favorite?Project LS5.0Project Retro 5.0Project Boring Four-Va...
09/06/2025

Which one of our more recent project engines has been your favorite?

Project LS5.0
Project Retro 5.0
Project Boring Four-Valve
Project SuperBad
Project LA Thumper

In order to measure an irregular shape, we have to go back more than 2,200 years, to the days of the mathematician Archi...
09/05/2025

In order to measure an irregular shape, we have to go back more than 2,200 years, to the days of the mathematician Archimedes. While he is credited with discovering a large number of principles we still use today, the one that applies here is the principle of displacement. That states that an object’s volume can be measured by the amount of water displaced when submerged.

Conversely, we can extrapolate that by measuring how much water it takes to completely fill a void, we can know the volume of that void. In our case, that void is the combustion chamber, in an otherwise flat cylinder head deck. So, by measuring the amount of water it takes to fill our combustion chamber, we know its volume; simple.

However, in order to do this accurately, we need some specialty equipment. We need a way to seal the chamber while still allowing us to fill it. We need a way to accurately measure the amount of fluid we’re pouring into the sealed chamber, and we need a fluid to fill the chamber with.

For the full story on how to CC your combustion chambers, head over to EngineLabs.

09/04/2025

LS vs Coyote 3 Episode 2: Reviewing the Rules & Build Plans

Do the rules favor the Coyote TOO much?

In Episode 2, we take a closer look at the rules for Horsepower Wars LS vs Coyote 3, presented by Summit Racing. We also introduce the builders, Fast Forward Race Engines and Late Model Engines, that are putting together the Gen 3 Coyote and Gen V LT engines.

When it comes to installing head gaskets, it seems like a lot of people have their own ritual in order to get things to ...
09/04/2025

When it comes to installing head gaskets, it seems like a lot of people have their own ritual in order to get things to seal. We asked the team at Cometic for their input on the proper way to ensure a leak-free install every time.

-Gasket mating requires being smooth, with a surface finish of 50 Ra or finer, and full flat-deck surfaces serving as a bare minimum.

- ALWAYS install head gaskets dry with no sealants whatsoever.

- Follow those manufacturer torque specifications or prepare to suffer the consequences.

- Aftermarket head bolts and studs are highly recommended for all the obvious reasons.

Did you know that you can run an external oil pump, even in a wet-sump application? We dive into the latest and greatest...
09/03/2025

Did you know that you can run an external oil pump, even in a wet-sump application? We dive into the latest and greatest tech in the oil pump world in our latest tech article on EngineLabs.

09/02/2025

Do you label your toolbox drawers? If so, how?

Which one do you need most for your tool chest? We tested them all for EngineLabs Tool of the Month.🧰 Summit Racing Dial...
09/01/2025

Which one do you need most for your tool chest? We tested them all for EngineLabs Tool of the Month.

🧰 Summit Racing Dial Bore Gauge
🧰 Total Seal Cylinder Profilometer
🧰 ARP Rod Bolt Stretch Gauge
🧰 Rimac Valvespring Tester
🧰 Koul Tools Lapping Tool
🧰 Summit Racing Mobile Parts Washer

Word on the street is that there is a completely new aftermarket V10 engine platform coming out at the PRI Show this yea...
09/01/2025

Word on the street is that there is a completely new aftermarket V10 engine platform coming out at the PRI Show this year. What else might we see?

With the cost of machine work and complaints of cubic-inch limits on the Coyote, why do you think the Werewolf block nev...
08/30/2025

With the cost of machine work and complaints of cubic-inch limits on the Coyote, why do you think the Werewolf block never took off? You can get up to 5.6L of displacement.

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