Category Archive: Apex Engine Tech, Apex Project Cars, Apex Spotlight, Apex Tech Stories, DRIVETRAIN, ENGINE, ENGINES, Metal Fabrication, OTHER, Project Cars, TECH, Tech Stories, Videos
The Alfarrari Project: The Engine And Trans Fit, Now They Just Need Mounts To Hold Them All In Place!
Nov 06, 2022Chad ReynoldsComments Off on The Alfarrari Project: The Engine And Trans Fit, Now They Just Need Mounts To Hold Them All In Place!
Now that the engine and trans have been test fitted, and actually fit inside this little car, it’s time to make permanent mounts for them. One of the videos below will be all about building...
LS ENGINE TECH: DAVID VS (LITTLE) GOLIATH. 4.8L VS 5.3L, WHICH JUNKYARD LS DOES BOOST BEST?
Nov 05, 2022Chad ReynoldsComments Off on LS ENGINE TECH: DAVID VS (LITTLE) GOLIATH. 4.8L VS 5.3L, WHICH JUNKYARD LS DOES BOOST BEST?
If you are considering a junkyard LS build then do it. Because if you are considering it there is a reason. It’s probably because the rest of your project is already over budget or because you...
Rebeldryver’s Ford 428 FE Project Part 1: Prepping The Block For Assembly With Freezeplugs And Paint
Nov 05, 2022Chad Reynolds1
Rebeldryver Scott is back with Project Mud Bomber, who’s 428 has been getting machined and prepped for a full rebuild. Because parts were scarce and the machine shop a bit slow, this one has...
MILD CAM ADDS 85 HP! JUNKYARD LS STREET CAM BATTLE-3 ELGIN STICKS DO BATTLE WITH A BTR DYNAMIC DUO!
Nov 04, 2022Chad Reynolds1
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
Nov 03, 2022Chad ReynoldsComments Off on 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,...
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!
Nov 01, 2022Chad ReynoldsComments Off on 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...
The Alfarrari Project: The Engine Is Getting More Love And Test Fitting The Engine And Gearbox!
Oct 30, 2022Chad ReynoldsComments Off on The Alfarrari Project: The Engine Is Getting More Love And Test Fitting The Engine And Gearbox!
It’s time for the engine to start getting ready to go in! More engine adapter work, then doing some stuff with the intake so it will fit, and then actually test fitting this bad boy! If this...
HOW MUCH POWER IS CAM LIFT WORTH? BTR TRUCK NORRIS VS TRUCK NORRIS NSR LOW LIFT. DOES LIFT MAKE HP?
Oct 30, 2022Chad ReynoldsComments Off on 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...
JUNKYARD LS PLUG GAP TEST. DOES MORE GAP EQUAL MORE POWER? HOW MUCH SHOULD I RUN? .010 VS .100 GAP
Oct 27, 2022Chad Reynolds4
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?
Oct 25, 2022Chad ReynoldsComments Off on 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....
Piston Tech Talk: Mahle Motorsport Talks About Their Power Pak Piston For The Toyota Supra B58 Engine
Oct 23, 2022Brian LohnesComments Off on Piston Tech Talk: Mahle Motorsport Talks About Their Power Pak Piston For The Toyota Supra B58 Engine
As internal combustion engines become more highly refined and engineered (as they have been doing for 100+ years), the technology involved in hot rodding them continues to do the same. MAHLE...
CHEAP, BROKEN, JUNKYARD 4.8L-WILL IT RUN? WITH SO MANY ISSUES, CAN THE DAMAGED LS COME BACK TO LIFE?
Oct 20, 2022Chad ReynoldsComments Off on 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...
Polishing Turds: Part 12, Final Assembly Before Dynoing This Thing!
Oct 13, 2022Chad ReynoldsComments Off on 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...
HOW TO MAKE SUPERCHARGED 5.0L FORD POWER. WHAT HAPPENS IF YOU ADD HEADS, CAM, INTAKE AND BOOST?
Oct 06, 2022Chad ReynoldsComments Off on HOW TO MAKE SUPERCHARGED 5.0L FORD POWER. WHAT HAPPENS IF YOU ADD HEADS, CAM, INTAKE AND BOOST?
If you have a 5.0 Ford, aka a 302, and you want to add power to that bad boy, there are tons of options available. After all there are a lot of camshafts, intakes, superchargers, cylinder heads, and...






