Category Archive: 1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex Tech Stories, ENGINE, ENGINES, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories
MILD CAM ADDS 85 HP! JUNKYARD LS STREET CAM BATTLE-3 ELGIN STICKS DO BATTLE WITH A BTR DYNAMIC DUO!
LS Cam tests are popular as hell and for good reason. Everyone wants to know what kind of power increase they can see with certain cam specs, and Richard Holdener has possibly done more cam testing...
WHAT MAKES MORE HP ON A JUNKYARD 4.8L LS? CARBS OR EFI? EDELBROCK PERFORMER RPM & 750 v TRUCK EFI
Ah, the age old Carb vs EFI story, but this time it is the 4.8 LS Carb vs EFI and both are great options. There are a lot of ways to get air and fuel into an LS engine with all the aftermarket parts,...
These Twin 110mm Turbos Are Putting In Work On Steve Morris’ Latest In The Wagon!
Steve Morris had some incredibly disintegrating connecting rods inside his famed wagon’s engine not too long ago but like any good racer he decided to take the rebuild period and turn it into...
JUNKYARD LS TUNING SECRETS! A/F TEST-10:1 v 11:1 v 12:1 v 13:1. TIMING TEST-17, 20, 24, 29 DEGREES!
Air Fuel Ratio is the ratio of air to fuel that is going into the chambers of your engine. It is measured in the exhaust, after the combustion has happened, by measuring how much oxygen is left over...
HOW MUCH POWER IS CAM LIFT WORTH? BTR TRUCK NORRIS VS TRUCK NORRIS NSR LOW LIFT. DOES LIFT MAKE HP?
Camshafts, regardless of the engine platform, have three measurements that define them. Lift, or the amount the camshaft will open the valves, duration which is the amount of time the camshaft will...
Safety How To: Measure For A Simpson Hybrid Frontal Head Restraint
Frontal head and neck restraint systems are crucial for drivers in today’s race cars. Whether going down the dragstrip, around corners on the road course, or doing land speed racing events,...
Too much boost?? Too much RPM?? Understanding Starting Line Tuning With Peter Harrell.
Let’s take a look at what causes traction issues on the starting line in turbo cars. Tuning cars for maximum power takes skill but tuning a car to leave the starting line with full power takes...
JUNKYARD LS PLUG GAP TEST. DOES MORE GAP EQUAL MORE POWER? HOW MUCH SHOULD I RUN? .010 VS .100 GAP
Spark plug gap is one of those things that some folks SWEAR makes a huge difference in power. It goes right along with the guys that think that indexing plugs is a big performance trick, but...
CHEAP, JUNKYARD 5.3L CAM TEST. BTR CAMSHAFT FAMILY FEUD-TRUCK NORRIS VS HOT ROD VS SS2? WHO WINS?
Who will reign supreme? It’s a battle of cheap 5.3 LS camshafts from Brian Tooley Racing. I can tell you which one I’d pick, but I’m going to let you watch and decide for yourself....
CHEAP, BROKEN, JUNKYARD 4.8L-WILL IT RUN? WITH SO MANY ISSUES, CAN THE DAMAGED LS COME BACK TO LIFE?
So you find a cheap 4.8 or 5.3 for sale on Facebook Marketplace, and take it home to clean up and put into your project car or truck, only to find that it has a bunch of issues you weren’t...
Mike Murillo LaFawnduh Fire Aftermath Pt. 1: The Tear Down, What Went Wrong, And Future Plans
Last week we shared the scary fire video from Mike Murillo Racing, where his famed LaFawnduh Mustang burned very badly. Luckily Mike was wearing safety gear and was able to get out of the car without...
Peter Harrell, Of Harrell Engine And Dyno, Shows What It Was Like Tuning Cleetus McFarland’s Mullet To A Whole New Level
While Cleetus McFarland has certainly enjoyed some success behind the wheel of his cars, and does a great job tuning most of them, when the new engine went into the El Camino they call Mullett, he...
Polishing Turds: Part 12, Final Assembly Before Dynoing This Thing!
In this new episode of the Polishing Turds series from HED you are going to see the final assembly of the engine finally completed! Can you guess how much power it is going to make on the dyno? Pete...
