Can Ford’s gargantuan new 7.3L overhead valve (OHV) gas engine nestled under the hood of the 2020 Ford F-250/350 Super Duty become king of the monster motors? We think it […]
I’ve got a direct-drive ski boat with a worn out 350 c.i.d. small-block Chevy. I’m thinking about building a new engine with modest goals. It’s a family boat, but I […]
Everyone who enjoys or has participated in the Ford vs. Chevrolet rivalry for the past 108 years can appreciate the implications of the Horsepower Wars folks revisiting an engine-building contest […]
The LZ1 is a 6.0L, Gen. 4 small block engine used in GM hybrid trucks and SUVs between 2010 and 2013, replacing the LFA (2008-09) as the LS engine family’s […]
[Editor’s Note: This LH8 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing at OnAllCylinders. […]
Q: I have a 1973 454 big block Chevy. It has a 8.5:1 compression, stock oval port cylinder heads, a Crane PowerMax camshaft, and Edelbrock Performer intake, and a Holley […]
This is an engine specification guide for General Motors’ fifth-generation supercharged LT4 engine that launched in 2015. GM has built two different engines designated as the LT4: 1996–1997 LT4 – Gen II, 5.7L, […]
I have a question. I am building a 427 cubic inch Dart motor with LS3 heads and a Kenne Bell 4.2L blower. I am looking for maximum horsepower out of […]
Variable Valve Timing (VVT) is a system that automatically adjusts valve timing. GM used VVT on the following engines within the LS family. (Summit Racing’s Paul Spurlock and Brian Nutter contributed […]
Q: : I have a 1967 Pontiac GTO with a 400-cubic-inch engine that originally came from a 1968 Grand Prix. The 10.75:1 compression engine is rated at 340 horsepower. The […]
