Learn how your carburetor’s power circuit affects your vehicle’s acceleration, as well as how the power valve works and how to find the perfect tune, by watching this 16-minute video. Before tackling your power circuit adjustments, you may want to check out the preceding videos in this series on How to Tune Your Holley-Style Carburetor:
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taking on electrical gremlins and traction problems. K.M. • Danvers, MA Q: I own a 1972 Chevelle with a moderately built 350 and a four-speed. Recently, I installed a MSD Billet distributor, 6A ignition box, and coil. When I try
[portfolio_slideshow id=18052] Here’s a scenario to ponder: You hand picked the best components for an engine build, had those bits meticulously machined and assembled, and ended up with a stout engine that made 850 horsepower on the dyno. The engine runs perfectly on a cool spring day when temperatures and humidity are close to the
We reached out to the guys in Summit Racing’s renowned tech department—the largest full-time staff in the industry—to identify and answer the five common tech questions they hear on a consistent basis. With help from Summit Racing’s tech advisors and other industry experts, we’ll answer those questions here at OnAllCylinders. Today’s topic: fuel pumps. When
Watch this Summit Racing Quick Flicks video and learn the basics of cutting braided hose lines and adding AN fittings to the ends. [important] Tools You Will Need: Braided Stainless Steel Hose Cutter, Bench Vise, AN Hose, AN Hose End Fittings [/important]
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re bolting on an easy 100 horsepower to a later model Mustang . R.J. • Lubbock, TX Q: I’m new to the hobby and have a 1994 Mustang GT convertible that drives like it’s been tamed. I’ve thought about replacing the
An improperly adjusted electric choke on a Holley four-barrel carburetor can keep your engine from idling properly during cold starts. Starting a cold engine requires a richer air/fuel mixture as cold fuel vaporizes slowly. Therefore, the choke provides a richer mixture by slightly closing off the carburetor’s air supply. When the choke isn’t properly adjusted,
Tire sizing doesn’t have to be complicated. And thanks to the gang at ITP Tires, you’ll never again have to do any head scratching while scoping out the tire walls on your quad or side by side. There are a bunch of numbers and letters. They all mean something, whether you’re shopping for traditional- or metric-sized
In this final installment of Summit Racing‘s automotive paint video series, you will hear a few important paint safety and clean-up tips that will help you wrap up your painting project like a pro. Learn how to clean up your paint gun and prep equipment like the experts, safely and efficiently. Be Sure to
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring possible causes for leak downs in Quadrajet carburetors. S.O. • Round O, SC Q: I have seen numerous Rochester Quadrajet carburetors that have a leak down problem when the car sits idle for a day or more.
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