L86 6.2L EcoTec3 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
The L86 is a Gen. 5, 6.2L, small-block engine powering 2014-present GM trucks and SUVs. They are known as the EcoTec3 6.2L engines. These engines use a longer intake runner than its cousin, the LT1. This helped the L86 produce peak torque 500 rpm sooner than the car version of the 6.2L engine. However, it falls about 35 horsepower behind
Photo Gallery: Milwaukee World of Wheels 2018
The 2018 ISCA Summit Racing Equipment Show Car Series rolls on, with the most recent stop last weekend in Milwaukee, WI. From Herbie the Love Bug to Pro Street muscle cars, there was a mix of vehicles to appeal to seemingly every niche of auto enthusiasts. Take a stroll through these pics, and see if there’s anything
Track Reconstruction at Norwalk’s Summit Motorsports Park on Schedule
Summit Motorsports Park’s $1.6 million track reconstruction project remains on schedule to be finished in time for the April 28-29 Spring Warm-Up—the first of several major racing events at the Norwalk, OH dragstrip. The track reconstruction project will make the racing surface entirely concrete from the starting line through the finish line, which will improve
Video: What are Subframe Connectors and Why Do You Need Them?
Before we get into the importance of subframe connectors, let’s first talk about what vehicle subframes are. What is a Subframe? A subframe is a discrete structural component in vehicles. That’s a fancy way of saying that a subframe is separate from the vehicle frame (in a body-on-frame configuration), or separate from a vehicle’s body shell
Mailbag: Troubleshooting Timing Problems on a Pontiac 400 Engine
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 troubleshooting timing issues on a 400 c.i.d. engine swapped into a 1980 Firebird. Q: I have a 1980 Pontiac Firebird with a 400-cubic-inch engine out of a 1978 Trans Am. The engine was built
NHRA Wrap-Up: McGaha, Force & Torrence Win in Phoenix
The 2018 NHRA Mello Yello Drag Racing Series season is off and rolling. In the second event of the season, the 34th annual NHRA Arizona Nationals in Phoenix, AZ, Pro Stock driver Chris McGaha, Funny Car driver Courtney Force, and Top Fuel driver Steve Torrence all hoisted Wally trophies as winners in their respective classes.
Parts Bin: Aeromotive Phantom Returnless Fuel Pumps
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: Many OE automotive manufacturers are switching to returnless fuel systems because they eliminate the complexity of running a
Ask Away! with Jeff Smith: How to Build a Custom Fuel Line for EFI
I’m building an in-tank fuel pump for a fuel injection conversion in a ’69 Nova with a small-block. I have no experience running lines for relatively high pressure injection stuff. What’s the most painless and economical fuel supply line to build? Is the braided line (PTFE?) with -6 AN fittings the way to go? I
Pontiac Prizefight: Restoring a 1969 Firebird (Part 1)
If you’re into cars, then there’s a good chance that at some point you have wanted a muscle car. Unfortunately, the days of picking up a popular model on the cheap and driving away with it are long gone. Still, the lure of rolling down the road in muscle-car coolness is a powerful motivator. What
Top Fan Ride of January: Heath’s 1978 Ford F-350 Monster Truck
The story of Heath’s journey to monster truck nirvana started out as you would expect. He grew up in a family of 4×4 enthusiasts and never missed a chance to watch the legendary BIGFOOT® monster truck on TV. Heath was also a Ford guy through-and-through, and his first truck (a gift from his dad) was




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