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Valvetrain Tech: If Light Weight And Low Reciprocating Mass Matter So Much, Do Stiffer Valve Springs Cost Horsepower?

Jun 26, 2021Chad Reynolds1320 Engine Tech, 1320 Tech Story, Apex Engine Tech, Apex Tech Stories, Apex Video, ENGINE, ENGINES, TECH, Tech Stories, Videos, XL Engine Tech, XL Tech Stories

Roller rockers, roller lifters, beehive valve springs, lightweight valves, lightweight locks and retainers, and the list goes on. These are all things designed to aid in controlling valvetrain at high rpm and under extreme power levels, and they do this by reducing the load required to move and control these components. So it would make sense that lighter valve springs would also be good for that. After all, anyone that has built an engine before knows that spinning the engine over by hand is very easy when it is just a short block and gets harder as you add components. If you have an engine with no spark plugs in it, and no rocker arms, then it is still really easy to spin by hand. But when you also have to turn the valvetrain, it becomes much more difficult.

So if you had an engine that didn’t “require” heavier valve springs, because it wasn’t going to be run at high rpm or didn’t have a camshaft that needed the extra valve control that heavy springs provide, would it make more horsepower with lighter weight springs that the others? Logic says yes. Or at least it seems like it does. But what does the dyno say?

Luckily for us, Richard Holdener knows because he’s done this very test and here it is so you can see for yourself.

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Low Buck ’56 Chevy LS Swap Part 2: Doing The Most With The Least And Still Ending Up With A Great Cruiser

Boost Makes Better: This Build and Dyno Test Of An 8-71 Blown 427ci LS3 Is Awesome – Airboat Engine!

Apr 27, 2021Brian Lohnes1320 Engine Tech, 1320 Tech Story, 1320 Videos, Apex Engine Tech, Apex Tech Stories, Apex Video, BangShift 1320, BangShift APEX, BangShift News, BangShift XL, ENGINES, MISC, Videos, XL Engine Tech, XL Tech Stories, XL Videos

If you are going to build a kick ass airboat engine, you need a few things. The first is obviously some horsepower, the second is a deep reservoir of torque, and the third is reliability so you are not gator food out there somewhere in the wilderness. This video is a comprehensive and awesome look at the build of just such an engine. In the typical fashion of the channel, Jeff at Horsepower Monster takes us through the build from the block on up to the end results of dyno testing. Starting with a Dart LS-Next block and stuffing the whole thing full of the best parts in the aftermarket, the engine is a 427ci power maker topped with Prestige Motorsports (the engine builder here) own design LS3 11-degree cylinder heads. Breaking news: they work.

After all is said and done, the engine sits more than 6ft tall on the dyno cart all hooked up. The height will not be a problem in an airboat where literally the sky is the limit. There are two sets of dyno pulls made, one with the supercharger basically at 1:1 with the engine and the second with a little bit of overdrive. Both pulls are made on 93-octane gas and the engine is only pulled to 6,000 RPM which is the max it will see in an airboat.

The power is impressive for both pulls and we agree with Jeff that with some higher octane gas, a little more OD, and some more RPM, they could be way bigger! This is a great video and an awesome engine.

Press play below to see this big-inch LS3 get an 8-71 huffer and make awesome power –

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Goodwood Fun: Here’s 10 Wild, Weird, and Bodacious Touring Cars From Goodwood Over The Years That You Forgot About
This Is What Happens When You Go Looking For Parts In A Place With Whole Cars – Finnegan’s Garage

Awesomely Weird: This 1970s Chevrolet Parts Film Stars Evel Knievel And Literally Makes No Sense

Apr 24, 2021Brian LohnesApex Video, BangShift APEX, BangShift News, FUNNY STUFF, HISTORIC, MISC, Videos

We’re guessing someone lost their job for this one. You are going to watch this 1970s Chevrolet parts film which stars Evel Knivel and makes literally no sense at all. The theme of the film is “conflict” and it is illustrated by a series of scenes where animals eat other animals, black and white movies are shown, and Evel Knievel jumps stuff on his motorcycle, sometimes crashing, sometimes not. Throw in a dose of 1970s Anchoman-level hilarity with a bikini-clad woman, and you have yourself one of the most singular odd things we have ever seen.

Make no mistake, Knievel would never turn down a gig, especially one with Chevrolet that likely was a great payday for reading some cue-cards. The company definitely did not hire him for his suave acting ability because this dude is straight up stiff while narrating the action. By action, we mean the bizarre things we are shown on screen.

Oddly, while Chevrolet parts are mentioned a handful of times there’s barely (if ever) a Chevrolet car shown as a prop in the film. This whole thing is some weirdo theater of the mind that was likely schemed up by an executive’s kid. “Hey Johnson, get my son a job in the media department and let him run wild!”

Obviously, Knievel was majorly famous at this point and his star only grew bigger. Note that he mentions that someday, “I’ll jump a mile….” we all know how that quest ended.

You have to see this one to believe it.

Press play to see the weirdest Chevrolet Parts video ever made, starring Evel Knievel!

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A Dakota By Any Other Name: The 1998 Dodge Durango Got Chrysler Into The SUV Game On Solid Footing

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Horsepower On The Waves: This Film Showing The 1956 Gold Cup Hydroplane Race Is Awesome – Aircraft Engines Galore

Feb 03, 2021Brian LohnesApex Video, BangShift APEX, BangShift News, HISTORIC, MISC, RACING & ACTION, Videos

Boat racing has always been the realm of big money and when we say “always” we mean ALWAYS. Think about the days of Gar Wood hammering international competition in the 1920s and then the evolution from there to where we are even today. Off-shore and hydroplane racing are huge money endeavors which are a fantastic spectacle. Hell, even drag boat racing will sink a decent wallet in no time flat but the allure of competition on the water has drawn and continues to draw the passion, the money, and the horsepower, to liquid race tracks all over the world.

So the Gold Cup was THE race to win in hydroplane racing during the era when this video was made. The boats themselves are amazing hot rods. Made of wood and powered by huge aircraft engines, they are violent and blazingly fast. You’ll see a Rolls-Royce mill, Allisons for days, and they all have this just killer look that make them some of the most visually stunning racing machines of their era.

While we have seen some of these old hydros sitting in museums and stuff, maybe occasionally idled around in the water, we had never seen them actually racing hull to hull before this video. How these drivers saw anything or didn’t have their guts shaken out of their throats over the course of the race is stunning. Watch the boats bounce, heave, and generally pulverize themselves on the water. This is wild!

Great horsepower, great history, and some of the coolest boats ever built.

Press play below to see this amazing account of the 1956 Gold Cup race in Seattle –

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Wheelstand And Deliver: Watch Craig Sullivan and Jerico Balduf Go Wheels Up While Hammer Down In Bradenton
Big Boy: Watch The Build Of A Massive 460ci Small Block Ford – All The Cubes, None Of The Girth

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Rebeldryver Walks Us Through Another Massive Wrecking Yard Full Of Classic Iron In Nebraska

Nov 29, 2020Chad Reynolds1320 Videos, Apex Video, MISC, Videos, XL Videos

Scott Liggett, aka Rebeldryver, is a longtime BANGshifter from way way way back, and a guy that always has a line on some cool car or another. He’s a resident of the wonderful state of Nebraska and knows where every salvage or wrecking yard is, along with every dilapidated car lot that still has something of interest parked on it. Nobody I know spends more time wandering through wrecking yards, and that means he is always coming home with great parts. I can tell you first hand that I have a few boxes in my garage full of much needed parts that came from Scott’s hunting, and I love him for it. A few months ago he started posting up a few videos of some of his adventures and this week he’s visited Andersen’s Self Service Wrecking in Kearney Nebraska to show us some of the bitchin stuff they’ve got hiding in the lot.

Before you get all fired up to head out with the trailer, ready to buy some of these cool rides, know that NONE of them are for sale whole. These are available for parts only. ONLY PARTS, and while that is disappointing on the one hand, it is also kinda cool because the parts from these abandoned hulks can save dozens of cool projects each, and that is what matters.

This is part one of two from this trip, so check it out and let us know what you think. Also, give a LIKE to the video and subscribe to Scott’s channel if you want to see more of this. We sure do!

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How Do I Know How Big My Fuel Injectors Need To Be? Richard Holdener Gives You The Simple Math Lesson So You Can Figure It Out Yourself!
12th Annual Fall Footbrake Frenzy Bracket Racing Action LIVE From Piedmont Dragway

Classic YouTube: Watch As This VW Golf Monsters Hillclimbs At Full Chat!

Nov 07, 2020Bryan McTaggartApex Video, BangShift APEX, RACING & ACTION, Videos

If there is one truth to racing, it’s that you never half-ass anything you do. If you can’t be bothered to give it your all, don’t bother showing up. That goes for any form of racing out there. But what does 100% look like? Full-on maximum attack, where you wonder if insanity has overridden the survival instinct, that’s what. It’s the difference between pedaling out of a bad situation on the strip versus hanging the hell on and crossing the stripe a tenth faster. It’s moderating a trail versus flying over every fourth little incline to keep up momentum in a rally. And in a hillclimb…well, here’s your lesson’s subject of the day. The driver is Daniel Wittwer, and his early VW Golf is the car. The Golf is only pushing out about 25o horsepower from a 16V 2.0L four, but you’d swear that there’s more the way that Wittwer is pushing this little VW. We are pretty sure that he used the Armco barrier as a ricochet device, bouncing the car back onto the asphalt. We’re almost proof-positive that at one point he was two tires off on the shoulder besides one glaringly obvious moment. We are pretty sure that the rear tires are worn a quarter less than the fronts, given how much hang time they got in corners. And the cover photo speaks for itself, doesn’t it? Maybe not as much as Wittwer’s celebration after the run…we’d be happy to be alive, too, after a hell ride like that!

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(Courtesy: Car Throttle)

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EPIC Huge Air From Stadium Super Trucks On The Streets Of Australia!

How It’s Made Video: Follow A Cam From Core Selection To Finish Product At The COMP Cams Factory!

This is an awesome video that shows us some amazing stuff about one of the aftermarket industry’s truly important names. Yes, we are going inside the COMP Cams factory in Tennessee to see how a camshaft is made from the selection of the core to the machining and even to the micro finishing processes that COMP offers on their products as well. Things have come a long way since guys like Ed Iskendarian started grinding their own camshafts far more than a half century ago.

From the materials to the processes, accuracy, and quality, this is as good as it gets in the industry. COMP has been making camshafts for street guys, NASCAR teams, NHRA drag racing teams, sports car teams, open wheel racing competitors, monster truck racers, and anything else you can think of for longer than many of you reading this have been alive. Along the way they have taken every piece of acquired knowledge and plowed it back into their company to make products better. They continue to do that today.

The fascinating thing about this process to us is that it’s still very human. It is not just some massive automative factory with no people in it. There’s human talent at every step of this trip and we think you’ll appreciate that as well. The mix of cutting edge equipment and practices with the skilled hands of true machinists is a really fun intersection to watch.

Enjoy this amazing look behind the scenes at COMP Cams and the truly cool birth of a camshaft!

Press play to see this awesome video that shows the process of making a cam at COMP –

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Old Man Cruiser: This 1972 Impala Is The Perfect Example Of What Old People Bought When Nixon Was President

May 19, 2020Brian LohnesApex Video, BangShift APEX, BangShift News, eBay Find

Old people in massive, slow cars. That was a trope used in all forms and facets of advertising and comedy from the 1950s right up until not that long ago. As the size of cars continues to shrink, this once common sight is less and less or a normal thing to see. That being said, it WAS a thing and this car is proof. This 1972 Impala is the perfect example of what old people bought when Richard Nixon was the president. The car is incredibly well preserved and as the leasing says, it was operated by elderly people.

This 1972 Impala is pretty light on options but it does have AC and a six-way power bench seat. The car is powered by a 2bbl topped 350 engine and backed by a Powerglide. This is the lowest horsepower and lowest performing mechanical setup that you could get in this car circa 1972. It reeks of an old guy haggling on price and options. You can almost hear him saying, “Nahh, nahhh, I don’t need all that…” when it comes to stuff like, ohhh, A THREE SPEED TRANSMISSION.

The car is astonishingly persevered. It has 69,000 original miles on it, little if no rust, the interior looks like no one has ever sat in it before, and we just cannot believe how clean it is. The green paint with the green roof and the green interior is awful but it’s awfully cool because of the 1970s flavor of the whole program.

We’d not have the hear to jack with this car if we bought it. We’d be the people doing 10-under the speed limit with a line of traffic a mile behind us and loving every mile we traveled.