Category Archive: 1320 Engine Tech, 1320 Spotlight, 1320 Tech Story, Apex Engine Tech, Apex Spotlight, Apex Tech Stories, ENGINE, ENGINES, TECH, Tech Stories, Videos, XL Engine Tech, XL Spotlight
THE ULTIMATE JUNKYARD 5.3L SHOOTOUT. 512-HP 5.3L VS 542-HP 5.3L-WHICH ONE REALLY WORKS BEST?
Dec 02, 2023Chad ReynoldsComments Off on THE ULTIMATE JUNKYARD 5.3L SHOOTOUT. 512-HP 5.3L VS 542-HP 5.3L-WHICH ONE REALLY WORKS BEST?
If all you knew about these two engines was the final peak horsepower number, there isn’t anyone reading who wouldn’t choose the 542 horsepower 5.3 in this stock bottom end NA shootout....
JUNKYARD LS MONSTER MAKEOVER! HOW TO TRANSFORM YOUR JUNKYARD 5.3L INTO A 7,700 RPM, 542-HP DEMON!
Nov 30, 2023Chad ReynoldsComments Off on JUNKYARD LS MONSTER MAKEOVER! HOW TO TRANSFORM YOUR JUNKYARD 5.3L INTO A 7,700 RPM, 542-HP DEMON!
A stock bottom end 5.3 that makes 100 horsepower per liter? Yep, and the recipe is right here for you to check out and duplicate with your own junkyard 5.3. Plus it spins 7,700 RPM! Check out what...
WHAT IS THE BEST LS INTAKE UNDER BOOST? SINGLE PLANE vs DUAL PLANE BLOW-THROUGH DISTRIBUTION TEST!
Nov 26, 2023Chad ReynoldsComments Off on WHAT IS THE BEST LS INTAKE UNDER BOOST? SINGLE PLANE vs DUAL PLANE BLOW-THROUGH DISTRIBUTION TEST!
I’ll never forget the first time I was in a dyno cell while testing an engine with 8 oxygen sensors. Instead of just having one or two, which is the norm on most of what we work on around here,...
SINGLE PLANE VS DUAL PLANE, WHICH INTAKE OFFERS THE BEST AIR FUEL DISTRIBUTION? FULL DYNO RESULTS!
Nov 24, 2023Chad ReynoldsComments Off on SINGLE PLANE VS DUAL PLANE, WHICH INTAKE OFFERS THE BEST AIR FUEL DISTRIBUTION? FULL DYNO RESULTS!
Years ago Freiburger and I spent the day on the dyno at Westech to see how nitrous worked with a single plane vs dual plane intake manifold. To test it we sprayed the same shot on the same engine...
COMPRESSOR MAPS 101!! TURBO COMPRESSOR MAPS MADE EASY! HOW TO READ A TURBO COMPRESSOR MAP. MAP HACKS
Nov 18, 2023Chad ReynoldsComments Off on COMPRESSOR MAPS 101!! TURBO COMPRESSOR MAPS MADE EASY! HOW TO READ A TURBO COMPRESSOR MAP. MAP HACKS
If you are confused by AR, wonder how to know which Compressor Map is right for your future turbo combo, or just don’t understand what everyone is talking about and why you care, this is the...
HOW TO: CHEAP LS AFM/DOD CONVERSION. CHEAP, CHEAPER AND CHEAPEST OPTIONS. CONVERT FOR PERF CAM SWAPS
Nov 16, 2023Chad ReynoldsComments Off on HOW TO: CHEAP LS AFM/DOD CONVERSION. CHEAP, CHEAPER AND CHEAPEST OPTIONS. CONVERT FOR PERF CAM SWAPS
DOD, or Displacement on Demand, and AFM, or Active Fuel Management, is the feature that allows your modern LS/LT to run on just 4 cylinders when going down the freeway so that it gets better mileage....
HOW MUCH ARE AFTER MARKET IRON & ALUMINUM HEADS WORTH ON A BBC? STOCK REC PORT VS SUMMIT VS AFR 290
Nov 15, 2023Chad ReynoldsComments Off on HOW MUCH ARE AFTER MARKET IRON & ALUMINUM HEADS WORTH ON A BBC? STOCK REC PORT VS SUMMIT VS AFR 290
The debate over iron vs aluminum heads has been a long argued one. For years, the old school guys would swear that iron was better for towing and this and that and heat retention and blah blah blah....
BIG BORE VS BIG STROKE-372 VS 383-WHICH SBC STROKER DOES IT BEST? BONUS TEST-302 VS 347 FORD
Nov 14, 2023Chad ReynoldsComments Off on BIG BORE VS BIG STROKE-372 VS 383-WHICH SBC STROKER DOES IT BEST? BONUS TEST-302 VS 347 FORD
Is big bore more important than a big stroke? Or are cubic inches cubic inches? In this video we’re going to see Richard Holdener test a big bore 372 vs a big stroke 383 to see if one is a...
CHEAP, JUNKYARD ALUMINUM 5.3L LH6-WHAT WENT WRONG? COMPLETE TEARDOWN AND INSPECTION…PLANS TO FIX!
Nov 12, 2023Chad ReynoldsComments Off on CHEAP, JUNKYARD ALUMINUM 5.3L LH6-WHAT WENT WRONG? COMPLETE TEARDOWN AND INSPECTION…PLANS TO FIX!
So what happens if you go to the wrecking yard and find that dream aluminum 5.3 L33 or LH6 engine and then you put it into your ride only to find it has low oil pressure? I mean all these junkyard...
CAN YOU RUN REC-PORT LS3-STYLE HEADS ON A SMALL BORE 4.8L/5.3L? WILL REC-PORT HEADS EVEN FIT A 4.8L?
Nov 11, 2023Chad ReynoldsComments Off on CAN YOU RUN REC-PORT LS3-STYLE HEADS ON A SMALL BORE 4.8L/5.3L? WILL REC-PORT HEADS EVEN FIT A 4.8L?
Which cam and which heads are probably the two most asked questions about an LS build, and the amount of info on the web can sometimes be daunting. Lucky for us, we have Richard Holdener who tests...
Polishing Turds Season 2: Part 5 – Boring And Honing Cody’s ProCharged 360 Cubic Inch Small Block To Make Big Power!
Nov 10, 2023Chad ReynoldsComments Off on Polishing Turds Season 2: Part 5 – Boring And Honing Cody’s ProCharged 360 Cubic Inch Small Block To Make Big Power!
In the fifth episode of this new Polishing Turds engine project, Pete is going to be boring and honing the cylinders so this little supercharged small-block will make more power. This is just one...
HOW TO BUILD LS POWER ON THE CHEAP: THE ULTIMATE 510-HP, ALL MOTOR JUNKYARD 5.3L BUILD. STEP BY STEP BUILD & FULL DYNO RESULTS
Nov 09, 2023Chad ReynoldsComments Off on HOW TO BUILD LS POWER ON THE CHEAP: THE ULTIMATE 510-HP, ALL MOTOR JUNKYARD 5.3L BUILD. STEP BY STEP BUILD & FULL DYNO RESULTS
Junkyard 5.3s make real power regardless of how many miles are on them. I mean a 200,000 mile 5.3 will make 350 horsepower on the engine dyno. But what happens with simple bolt ons? And how about...
HOW MUCH HP CAN YOU MAKE WITH 317 LS HEADS? HERE IS A HINT-THE POWER LIMIT IS NOT FROM FLOW!
Nov 08, 2023Chad ReynoldsComments Off on HOW MUCH HP CAN YOU MAKE WITH 317 LS HEADS? HERE IS A HINT-THE POWER LIMIT IS NOT FROM FLOW!
Everyone is always asking which LS heads are best and on the hunt for 243s all the time. But Richard Holdener, and several others, have done all the testing to see if there is much difference and if...
HEADS, CAM OR INTAKE? WHICH LS MODIFICATION SHOULD YOU DO FIRST? WHICH UPGRADE MAKES MORE POWER?
Nov 02, 2023Chad ReynoldsComments Off on HEADS, CAM OR INTAKE? WHICH LS MODIFICATION SHOULD YOU DO FIRST? WHICH UPGRADE MAKES MORE POWER?
This is one of those questions that EVERYONE asks when it comes to the LS engine, and the truth is that it is a valid question. If the engine platform were different, that might not be a very...