Category Archive: 1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex Tech Stories, ENGINE, ENGINES, TECH, Tech Stories, Videos

Polishing Turds: Episode #8 Porting Cylinder Heads For More Flow And More POWER!!!

In this new episode of the Polishing Turds series from HED you are going to see the ins and outs of porting cylinder heads. We aren’t talking CNC porting here, we’re talking Peter Harrell...

WHICH FACTORY BBC HEAD MAKES THE MOST POWER? PEANUT PORT vs PORTED 049 OVAL vs REC PORT vs AFR 265!

Which cylinder heads should I run on my big block!?!? This is a question that has been asked by roughly a jillion people because not everyone is building a full-tilt race engine which means that not...

Polishing Turds Episode #7: What’s A Valve Job, And What’s The Big Deal? How Much Power Is A Good Valve Job Worth?

In this latest episode of the Polishing Turds series from HED you are going to see the process for doing a complete valve job, along with some good explanation as to why the valve job is so important...

347 FORD STROKER-WHAT MAKES MORE POWER? BOLT ONS OR BOOST? WHAT HAPPENS WHEN YOU UPGRADE WITH BOTH?

Bolt-ons or boost? It’s the age-old question when building horsepower. Or should you just jump right into doing both? Luckily for us Richard Holdener is the king of dyno testing and can show...

Polishing Turds Episode #6: Cylinder Honing! All These Things Add Up To An Engine That Actually Makes Power

In this latest episode of the Polishing Turds series from HED you are going to see the process for honing cylinders, along with some good explanation as to why the hone is so important for actually...

WHAT HAPPENS IF YOU ADD DISPLACEMENT USING STOCK HEADS, CAM AND INTAKE? 4.8L VS 5.3L, 5.0L VS 347

There is no replacement for displacement! We’ve been told that forever. And bigger is always better, I’m sure I’ve heard that before when talking about camshafts and engines, and...

DOES BIG BLOCK CHEVROLET HEAD FLOW MATTER UNDER BOOST? AFR 315 VS 345-ALL MOTOR 496 & 8-71 BLOWN 496!

Cylinder heads determine power potential of an engine. The camshaft controls the rpm range and power curve, but the overall power potential has to do with how much air and fuel you can get into the...

FORD VS CHEVY VS DODGE-WHAT AMERICAN V8 MADE THE LEAST AMOUNT OF POWER? 5.0L VS 350 VS 360-WHO LOST?

Videos from the dyno are usually all about making the most power you can with a given combo, but not this one. Today’s video is all about finding the engine that makes the LEAST amount of...

Watch And Listen To This NASCAR Engine Get Spintron Tested To 9,000 RPM – Wild Stuff!

The Spintron machine is one of the greatest tools ever devised for race engine builders, valvetrain manufacturers, and people who make their living making horsepower on the highest levels. This is a...

HOW TO BUILD BETTER BBC BOOST-VORTECH 454 VS VORTECH 496-HOW TO MAKE MORE POWER WITH LESS BOOST!

Big blocks with blowthrough carburetors and superchargers makes for big power and lots of fun. Check out these two combos, one a 454 and one a 496. How to make more power with less boost! Video...

IS THE BEST 4.8L MOD GEARS AND CONVERTER? HERE IS WHY YOU PROBABLY NEED THEM ON A CAMMED 4.8L!

Power is great, but physics is what controls how quick your 4.8L LS powered machine will accelerate and sometimes that isn’t just about adding more power. In fact, there might be other things...

Q-JET VS THE WORLD!! PONTIAC 400 CARB SHOOTOUT 2-BARREL VS Q-JET VS QUICK FUEL 750 (THE OTHER GUYS!)

GM cars and trucks came with Quadrajet carburetors for decades, and they came on every GM makes engines at some point or another. They were considered to be a performance 4-barrel carburetor that...

5.0L FORD-CARB VS FUEL INJECTION-WHICH ONE WORKS BEST? EDEL RPM & 750 VS GT-40 & 65MM THROTTLE BODY

Carb vs EFI, it’s a battle that has been the topic of discussion since the inception of electronic fuel injection, and one that isn’t going to stop anytime soon. And the truth is that...

FORD 5.0L INTAKE SHOOT OUT-GT-40 vs 93 COBRA R vs SN95 COBRA vs EXPLORER-WHICH ONE MAKES MORE POWER?

The GT-40 intake manifold is one of the most talked about and revered intake manifolds in small-block Ford history. And because it is so good, Ford enthusiasts were always looking for intakes that...