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Mystery Motor Development Engineer Bill Howell Tells All

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Our first story on Chevrolet’s legendary mystery motor generated a lot of new questions and a few sour comments by desktop experts still insisting it was a revised 409 W-motor. So we decided to solicit more facts straight from the horses’ mouth. We consulted an old...
427 mystery motor

Chevrolet 427 Mystery Motor

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Most of the testing and development was done with 409ci versions. Development engineers were able to generate the required power at that displacement, but in October of ‘62 negotiations with NASCAR resulted in approval to enlarge it to 427ci to gain parity with Ford. A mad rush ensued to design longer 3.65-inch...

663hp 434ci Small-Block Street Engine

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When tasked to build a 650hp+ street engine with lots of restrictions, Mike Petralia's Hardcore Horsepower, LLC in Franklin, TN crafted this 434ci beast ...

Recognizing the Protection of Motorsports Act of 2016 (RPM Act)

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Why Johnson Hydraulic Roller Lifters Belong in Your Engine

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Johnson Lifters wants to be your valve lifter source.  A primary supplier with  top tier manufacturing capabilities, the 90 year old company functions seamlessly within the high stress, low tolerance OEM environment where quality control inspections are mandatory and frequent. An essential part of Johnson Lifter's quality control program is identifying and solving common lifter issues. In particular, hydraulic valve lifters have long suffered the notion that they are no good for performance use, but that is far from accurate.   Johnson puts a check mark on that fallacy and points to the success of Chevrolet's ultra high performance COPO [...]

1969 Z/28 Canted Valve 302

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An in depth look at a one-off all aluminum canted valve, crossram inducted Chevrolet small block evaluated for the '69 Z/28. A glimpse of something so unique and bad ass for its day...
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Smokin’ the Speed Demon

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George Poteet's Speed Demon streamliner is the fastest piston powered car in the world with Duttweiler horsepower and here's a look at the new wind tunnel test designed to find the perfect ride height and aerodynamic balance for record setting...
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Ford Debuts 2016 Mustang Cobra Jet Drag Package

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The new 2016 Cobra Jet Mustang sports a blown Coyote 5.0L V8 engine with a refined Whipple 2.9L supercharger pumping up the power. The supercharged 5.0L Coyote engine has proved to be remarkably reliable when operating at maximum capacity which is said to approach if not exceed 1000 horsepower...

Art Chrisman Receives Petersen Lifetime Achievement Award

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Art Chrisman continues to serve as an inspiration to racers and automotive engineers worldwide. The Petersen Automotive Museum was proud to honor him with the 2015 Robert E. Petersen Lifetime Achievement Award at the annual Specialty Equipment Market Association (SEMA) Awards Breakfast...

Factory 409 Fuel Injection: No Really!

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Factory 348ci and 409ci Chevrolet engines were never equipped with OEM fuel injection, but that doesn't mean it never existed. In a bid to improve power and economy, GM did extensive research on fuel injection for W-motored cars and trucks back in the day. This research was conducted in the late fifties as you will note...

Fifty Years with Valley Head Service

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Fifty years ago this month Larry Ofria began porting cylinder heads in a run-down old chicken coup at the family property on Sherman Way in Reseda, California. Larry and the engine savvy crew at Valley Head Service are recognized far and wide for their contributions to the advancement of high performance engine...
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Why You Want ARP Bolts for Your Engine

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ARP is the first thing you think of when you need fasteners for your race engine. Need some head bolts? Call ARP. Need a complete fastener kit? Call ARP...

Factory Fuel Injected 409?

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Here's something you don't see every day; a Rochester fuel injected 409 Chevy on the dyno. Fuel injected Chevy small blocks were a popular factory option on 283ci and 327ci production engines in the late fifties and early sixties. But no one's ever seen a Chevy W-motor with factory mechanical fuel injection, or have they?
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Top Pro Street Engines from the Car Craft Street Machine Nationals

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Hot Pro Street engines were in plentiful supply at the 2014 Car Craft Street Machine Nationals this past weekend in DuQuoin, Illinois. Participants and spectators were treated to a dazzling display of top quality cars and engines...
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2015 Dodge Challenger SRT Hellcat Boasts 707 HP

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Dodge outpowers GM and Ford! They now claim the highest horsepower and torque figures offered by any domestic performance car from the factory. The 2015 Dodge Challenger delivers over 700 horsepower and 650 foot pounds of torque...
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100+ Awesome Hot Rod Engines from the LA Roadster Show

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Hot Rods and cool engines filled the Pomona, California fairgrounds for the 50th annual father's day LA Roadster Show. Engine lovers were treated to a phenomenal display of racing and high performance engines that would take a lifetime to see if they were not assembled in one convenient spot...
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540ci All Motor Pump Gas Brute

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The new AFR cylinder heads are the central component of this remarkable piece; a real world engine designed to deliver off the hook performance without expensive power adders and in the face of fluctuating fuel quality...

622 HP Blown Street Small Block

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Sometimes a simple straightforward combination is best for a particular application. No tricks, no overly exotic hardware; just regular hardcore speed equipment built around a standard Gen 1 small block for a traditional street rod or street machine. These are the bread and butter engines that any...

Meaux Racing Heads tests 2101 HP Mud Truck Engine

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This C&S Performance Engines bad boy made made 2,101 HP on a very easy nitrous squeeze, 1,611 HP w/2-4's N.A. and 1,572 HP w/1-4 barrel N.A. Take a good look at the torque curve on this monster and just imagine how its going to tear up those offroad AMRA dirt tracks..
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Hardcore Horsepower’s 692 HP 406ci Chevy

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A 406 cubic inch small block is one of the most popular choices for Chevy powered sportsman drag racers seeking strong reliable power at reasonable cost. Careful planning and the right mix of parts can push the power close to 700 HP without exotic or costly components. Variations include the option to take the motor to 415ci, 421ci or even 434 cubic inches if so desired...
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Sonny’s 1,005ci Billet V8 Cranks 2150 HP

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Sonny's Racing Engines is now offering the first V8 racing engine to top 1000 cubic inches. The new SRE V8 is one serious piece with a price tag approaching $110,000, but its easy to see how cost escalates quickly with a billet block and crank, billet cylinder heads, special sheet metal intake...

304ci Y-block, 147 MPH…’62 Ford Pickup

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Y-Block powered Ford pickup busts a move at 2013 Bonneville Nationals with a 147 MPH pass that served notice that the ol' Y-block is still in the game. Check out Tim and Kathy McMaster's 7000 rpm '62 Ford Y-block hauler and learn how Tim turned an aging Ford Y-block into a 7000 rpm screamer that...
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Watch the Doomsday Impala Buildup, then Ride Along on an 8.69 Pass!

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Hey fellas, All you drag racing fans will probably enjoy watching these videos of our Doomsday Impala friends from the UK building their awesome "three years in the making" doomsday Impala.The car has been upgraded to a new 496ci engine and has cracked into the 8.60s at 152 MPH. If you like these videos, give Dave and Andy a shout out on youtube and let them know you appreciate their efforts...
World Products Warhawk block sporting Arias heads

Hemi Head Chevy Big Blocks

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Mitech Racing Engines in Placentia, California sports a lengthy list of record setting engines, particularly in land speed record racing. They also specialize in custom engines for racing and street applications; among them some radical Chevy big blocks equipped with Arias...
427 sideoiler

1/8 Scale Ford 427 Sideoiler

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One of those models is this Ford FE V8 427 sideoiler engine with Weber carbs; the engine that Carroll Shelby chose for his semi-competition Cobras. Since I had already built one of those I figured it would be nice to have the engine as a stand alone Since I had already built one of those I figured it would be nice to have the engine as a stand alone model beside it. So I bought the virtual...