Fuel Duel: Race Gas vs. E85—Which Makes More Power?
Gasoline or E85 ethanol-blended fuel? David Freiburger and Steve Dulcich at Engine Masters wanted to find out which makes more power and by how much. So they grabbed a 489-cubic-inch, 13.5:1 compression big block Chevy, teamed up with our partners at Summit Racing for a couple of key parts, and started playing. To ensure a level playing
NHRA Wrap-Up: Pro Stock Champ Butner, Funny Car’s Hagan & Top Fuel’s Kalitta Win Pomona
Pro Stocker Bo Butner wasted little time proving to racing fans that last year’s championship was no fluke when he captured his sixth career win Sunday at the season-opening Lucas Oil NHRA Winternationals at Auto Club Raceway at Pomona in Pomona, CA. Top Fuel’s Doug Kalitta and Funny Car’s Matt Hagan were also winners Sunday
Parts Bin: Hella ValueFit Northern Lights LED Lighting
From time to time, OnAllCylinders will provide a peek at some of the newest products and deals that can help get your next project on track for less. Check out what’s in our parts bin this week: Wouldn’t it be cool if you could control the color of your vehicle’s LED lighting via your smartphone?
LT1 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
This is an engine specification guide for General Motors’ fifth-generation LT1 engine that launched in 2014. GM has built three engines designated as the LT1: 1970-72 – Gen. I, 5.7L, small block (technically, the first-gen. was written as “LT-1”) 1991-97 – Gen. II, 5.7L, small block 2014-present – Gen. V, 6.2L, small block The new LT1 is the Gen.
Video: How to Apply Threadlocker
A good threadlocker can prevent your fasteners from loosening. But a thread-locking compound must be applied properly to ensure the best possible results and, more importantly, threadlocker application techniques vary depending on the type and location of your fastener—blind holes vs. through holes, for example. The fine folks at Permatex put together this quick tech
Mailbag: Camshaft, Torque Converter & Gear Ratio Recommendations for an ’86 Mustang Race Car
You’ve got questions. We’ve got answers. We work with the Summit Racing tech department to tackle your automotive-related conundrums. This week, we’re recommending a camshaft, torque converter, and rear-axle gear ratio for a race-only ’86 Ford Mustang. Q: I have a 1986 Mustang project car with a 351 Cleveland engine. The four-bolt main block has been
LQ9 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. These motors are
LQ4 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. These motors are
Video: New Corvette ZR1 Sets Lap Record at Virginia International Raceway
Chevrolet said its new 2019 Corvette ZR1 was pretty fast, boasting 755 horsepower and 715 pound-feet of torque from its supercharged 6.2L LT5 engine. Now, there’s a lap record to back it up. The new ZR1 covered the 4.1-mile Grand Course circuit at Virginia International Raceway in a blistering 2:37.25—a production-car lap record. Aside from
NHRA Adds Virginia Nationals to Schedule Following Englishtown’s Closure
When it was announced that Englishtown, New Jersey’s Old Bridge Township Raceway Park Dragstrip was closing, drag race fans began wondering what would happen to the NHRA’s Summer Nationals event scheduled to be held there this year. The NHRA just answered. There will be a new event added to the NHRA Mello Yello Drag Racing Series calendar,




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