NHRA Wrap-Up: Hagan, Torrence & McGaha Win in Epping
Matt Hagan remains on a tear as one of NHRA’s hottest drivers, as he won his second straight event of the season at the NHRA New England Nationals in Epping, NH. Steve Torrence in Top Fuel, and Chris McGaha in Pro Stock were also winners in their respective categories at the 13th of 24 events
Video: How to Avoid Coolant Contamination
Contaminated coolant is a leading cause of premature water pump failure and poor cooling efficiency. Contaminated coolant can contain particles/debris (including chunks of excess gasket material) that will clog coolant passages and wear the water pump impeller. It can also accelerate a process called “electrolytic metal erosion,” which happens any time you’ve got dissimilar metals
Mailbag: Finding Low-End Power in a Sluggish 350-Powered 1981 Firebird
Q: I have a 1981 Pontiac Firebird with a Chevy 350 in serious need of some more low-end power! It has a Holley Dominator manifold and a 750 cfm car, 305 heads, a .480”-lift cam, Hedman Hedders into a 3” Flowmaster exhaust, a Powertrax limited-slip differential with 3.73 gears, and a TH-350 tranny with 2,200-2,500
L77 6.0L 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: How to Use a Multimeter to Measure Electrical Current
Current is a critical component of any electrical system. In basic terms, current is the flow of electricity. It is quantified in amperage, with “amps” being the unit of measure. It’s important to note that current isn’t the same thing as voltage, so don’t make the mistake of using those terms interchangeably. The proper voltage
Mailbag: Curing Unwanted Vibration in a 5.0L-Powered ’66 F-100 Pickup
Q: Help! I have a 1966 Ford F-100 pickup with a transplanted 5.0L from a 1991 Mustang and the following mods: Ford Performance cam (220° duration/.498″ lift), Airflow Research CNC-ported 185 cylinder heads, Edelbrock Performer intake manifold, Holley 600 cfm carb, B&M flexplate with a 50 oz. balance, TCI C-4 Street Fighter transmission, and a TCI
NHRA Wrap-Up: Alexander Becomes 1st-Time Top Fuel Winner; Hagan, Gray & Krawiec Also Win
Blake Alexander became the 105th different Top Fuel winner in NHRA history Sunday afternoon at the Summit Racing Equipment NHRA Nationals at Summit Motorsports Park in Norwalk, OH. Matt Hagan in Funny Car, Tanner Gray in Pro Stock, and Eddie Krawiec in Pro Stock Motorcycle were also winners Sunday at the 12th of 24 events
Sprint Car Driver Jason Johnson Dies Following Crash in Wisconsin Race
Jason Johnson succumbed to injuries he sustained in a crash on Saturday during a sprint car race at Beaver Dam Raceway in Beaver Dam, WI. Johnson, 41, and a Eunice, LA native, raced in the World of Outlaws sprint car series. The crash occured on lap 18, just after a restart, according to the Milwaukee Journal
The Blazer is Back: Chevy Revives Famous Nameplate
Chevrolet just revealed that it is bringing the Blazer name back to its lineup. It is expected that this new vehicle will slot in between the compact Equinox and midsize Traverse. The new Blazer, which Chevy is calling a “contemporary midsize SUV,” will have five-passenger seating and be powered by either a standard 193-horsepower 2.5L
Horsepower Wars: Upgrading the Mustang to Level the Playing Field
The folks over at Horsepower Wars are pitting a 2017 Ford Mustang GT against a 2017 Chevy Camaro 2SS in a series of competitive tests that they’re calling the “Pony Wars.” The goal is to see which car has the edge in stock form, and during progressive stages of performance upgrades. Want to see the




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