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, XL Tech Stories
JUNKYARD 4.8L M90 LS HEADER, HEAD & CAM TEST. 1 3/4 v 1 7/8, 706 v 799 HEADS, TRUCK NORRIS v HOT ROD
Richard is doing more boosted LS testing and this time it’s the M90 Supercharger again with more mods to the 4.8 in an effort to see just how much power this little blower can support. Check...
CHEAP JUNKYAD M90 BLOWER AIR FUEL DISTRIBUTION! DOES A ROOTS BLOWER FAVOR THE FRONT FOUR CYLINDERS?
This little M90 Supercharger, the one that came on supercharged 3800 V6 GM engines, has been the talk of the town lately as it can actually support some real power on a junkyard LS engine that...
CHEAP $89 JUNKYARD M90 SUPERCHARGER MAKES 537 HP! HOW TO RUN A CHEAP V6 SUPERCHARGER ON A 4.8L V8!
Less than $90 for a supercharger that bolts onto your LS engine? Sounds too good to be true, and of course there is more to it than that, but yeah it actual works! Without the blower on it, this LS...
Small-Blocks Aren’t Dead: HOW TO MAKE MORE 383 STROKER POWER. HOW MUCH POWER ARE PORTED HEADS, CAMS OR INTAKES WORTH? RESULTS
We know that everyone is always hot and bothered by the LS and LT engine platforms, along with Coyote and Gen 3 HEMI platforms, but that doesn’t mean that all those great small and big block...
Engine 101: How to assemble an LS top end, including heads, valvetrain, intake, and valve covers!
Putting an engine together can be a pretty intense and difficult task depending on the engine and on the tools that you may or may not have. But, luckily, an LS engine is one of the easier ones to...
Same Blower, Different Engines: 3.8L V6 VS 4.8L V8 CHEAP M90 BLOWER TEST. WHAT HAPPENS WHEN YOU RUN THE SAME BLOWER ON BOTH MOTORS?
Richard has been turning the internet on its ear recently with his M90 Supercharger tests. He’s built an adapter plate to run one on a 4.8 LS and has obviously been testing them on the 3.8...
Daniel and the Crew at Powell Machine Show How To Rebuild Gen 3 HEMI Heads The Right Way. Valve Job, Surfacing, And Removing Broken Bolts
Powell Machine Inc. is known for building some pretty impressive engines, and for being experts in valve train and lifter technology, particularly in those classes of racing that require a flat...
FLYWHEEL VS FLEXPLATE-DOES A LIGHTWEIGHT FLYWHEEL ADD ANY POWER? 45 POUNDS VS 16 POUNDS-WHO WINS?
In a lot of racing, folks are real big on the weight of their flywheels because it effects how the engine accelerates. But on a lot of occasions I’ve seen folks go with the lightest flywheel...
DIY Engine Tech: How To Replace Valve Springs and Do A Budget Refresh On An LS Head At Home.
I know a lot of folks who get a junkyard LS and then start doing upgrades and are intimidated by the thought of replacing their own valve springs or cleaning up their own cylinder heads in general....
CHEAP, HIGH-RPM, 7000-RPM JUNKYARD 4.8L WITH STOCK SPRINGS! STOCK TRUCK INTAKE VS HOLLEY HI RAM TEST
No Springs Required. These are the magic words for so many folks interested in upgrading the camshaft in their LS engine. Cams aren’t cheap, and either are springs, plus most folks don’t...
Tearing Down The Blown Up K24 Swapped StanceWorks Ferrari After A Bad Day Of Racing That Threw The Rods Out Of It.
I’ve only blown up a couple of engines in my day, but when you do there is always the disappointment of tearing stuff up, but then once you get over that there is the desire to tear it apart...
HOW MUCH POWER DO ACCESSORIES ROB FROM YOUR 4.8L LS MOTOR? STOCK ACCESSORIES v ELECTRIC WATER PUMP!
So how much power does it really take to spin the accessories on your LS engine? Is an electric water pump actually giving you real horsepower gains? How about that alternator and power steering? Or...
DIRT CHEAP, $100 4.8L LS BOOST! JUNKYARD V6 M90 BLOWER TO THE RESCUE! IT FINALLY WORKS ON THE 4.8L!
$100 Supercharger for your LS engine? Wait, what? Has Richard lost his mind? Or will this actually work? The answer might surprise you. Sure it is going to take a little bit of work, but if you are...
Derek Got A Holed Of This Beast At An ESTATE SALE! Cadillac EFI V8-6-4 – Will it RUN AND DRIVE 500 miles after sitting for 12 years?
My dad worked as a Service Advisor at a Cadillac dealership in the late 1970’s and 1980’s and I remember the 4-6-8 Caddy engines. They sucked. The mechanics and service guys all bitched...