Mailbag: Upgrading Valvetrain for Bottom-End Performance on 1976 Toyota FJ-40 with SBC
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we discuss upgrading valvetrain components on a 1976 Toyota FJ-40 powered by a 350 small block. Q: I have a 1976 Toyota FJ-40 Land Cruiser with a 350 small block from a 1973 Camaro.
NHRA Wrap-Up: J.R. Todd, Torrence, T. Gray & Tonglet Win in Sonoma
J.R. Todd powered to his first career Funny Car victory Sunday at the 30th annual Toyota NHRA Sonoma Nationals at Sonoma Raceway in California. Steve Torrence in Top Fuel, Tanner Gray in Pro Stock, and LE Tonglet in Pro Stock Motorcycle, were also winners in their respective categories at the 15th of 24 events on
Beware of Premature Camshaft Failure From Using the Wrong Diesel Oil for Breaking in Gas Engines
Some engine builders like to use API CJ-4 diesel motor oil as a break-in lubricant for new engines. That’s because it contains plenty of zinc (ZDDP) to protect flat-tappet camshafts. Apparently this oil is being replaced with a new formulation, API CK-4 and CK-4/SN (SN means the oil meets current year API standards). And just
A Closer Look at Holley’s LS Tunnel Ram Modular Intake Manifold
Tunnel ram manifolds made their debut in the early 1960s. The first ones were actually small block Chevy jobs patterned off a Rochester mechanical fuel injection intake manifold (drag racer Carroll Caudle should be credited for the invention). Soon after, a company owned by Ralph Ridgeway cast a commercial example, followed shortly thereafter by other
The Hottest Rides and Gearhead Photos from Instagram (#Mustang) – July 2017
On the heels of the news saying the 2018 Ford Mustang GT will feature a “Drag Strip mode” that will make it the fastest 0-60 pony car of all time, we felt like it was time for a new Mustang gallery. Instagram is a great tool for capturing life and sharing it with the world.
Video: New QA1 Ford Mustang K-Member Offers Major Advantages Over Factory Parts
Listen to QA1’s Dave Kass demonstrate how QA1’s new K-Member for Fox-Body and SN95 Ford Mustangs (model years 1979-2004) provide enormous performance advantages and project flexibility over the factory K-Members. The new QA1 Mustang K-Members are constructed from high-strength, low-alloy steel, and weigh half as much as the factory K-Members and take up much less
Ford Adds ‘Drag Strip Mode’ to 2018 Mustang, Making it Fastest Pony Car Ever
The 2018 Ford Mustang will be the fastest pony car ever with the 5.0 model boasting a 0-to-60 time under 4 seconds thanks to its new “Drag Strip mode.” Ford Motor Co. has given both the 5.0 V8 and four-cylinder 2.3-liter EcoBoost Mustangs bigger performance numbers over the 2017 versions. The 2018 Ford Mustang V8
Mailbag: Adjusting a TH-350 Transmission From Race Setup to Street Use
Q: I recently replaced the 305 engine and TH-200 transmission in my 1985 Monte Carlo for a 350 with a mild cam and a TH-350 transmission. My question is about the tranny. It was in a friend’s strip car, and had about 15 passes on it before I got it. The transmission has some kind
NHRA Wrap-Up: Hight, Brown, Skillman & Krawiec Win at Thunder Mountain
Robert Hight won Funny Car victory Sunday at the 38th annual Mopar Mile-High NHRA Nationals at Bandimere Speedway in Morrison, CO. Antron Brown in Top Fuel, Drew Skillman in Pro Stock, and Eddie Krawiec in Pro Stock Motorcycle were also winners in their respective categories at the 14th of 24 events on the 2017 NHRA
Ask Away! with Jeff Smith: Choosing the Largest Camshaft Isn’t Always a Good Idea
I have a 496 Chevy and I want to go with a tunnel ram. What is the largest cam I can go with? It is going in a rat rod gasser. R.F. Jeff Smith: This is like asking “How high is up?” Generally, we like to answer questions that are a bit more focused, but




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