[portfolio_slideshow id=12055] For owners of Ford 4.6L and 5.4L Two-Valve modular V8s, the wait for a true performance cylinder head ended in 2009. That’s when Trick Flow Specialties introduced the Twisted Wedge 185 aluminum cylinder heads. They were the first true aftermarket performance heads for the Two-Valvers. There are gazillions of Two-Valve engines available for
Thinking about an LS swap? Then you owe it to yourself to check out MSD’s new Atomic LS EFI Fuel Injection System. We did when we were at the SEMA Show, where the Atomic LS earned MSD a SEMA New Product award. Basically, the Atomic LS eliminates the wiring headaches that can be involved with
In the first two installments of our Head Games video series, we covered the importance of combustion chamber size and intake runner configuration when choosing cylinder heads. In this video, you’ll learn how valve sizing factors into selecting the right cylinder heads. Plus, you’ll find out what other key pieces of information you need to narrow
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering carry-over parts from a stock 305 to a Chevrolet Performance 350. M.B. • East Haven, CT Q: I have a 1986 Monte Carlo SS running the original 305 and 200-R4 tranny. I plan on dropping in a Chevrolet Performance
In Head Games (Part 1), we covered the importance of cylinder head intake runner size and design. Now we’re going to look at another key factor in choosing the right cylinder heads: combustion chamber design. Specifically, we’ll cover the importance of combustion chamber design, size, and manufacturing process and how it all affects cylinder head
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re swapping IROC-Z components into an ’86 Monte Carlo SS. H.M. • Milton, FL Q: I’m restoring a 1986 Monte Carlo SS and using a 1988 Camaro IROC-Z as a donor car. I really want to improve the
[portfolio_slideshow id=11176] In our Top Class 565 (part two), we showcased cylinder head and valvetrain assembly for Trick Flow’s 565-cubic-inch big block Chevy. This time around, we’re gonna find out what this conglomeration of parts is worth on the dyno. Without giving up the results in the first paragraph, let’s just say those parts are
When Summit Racing chose to a build a Sixties-style Cobra roadster, focusing solely on the past was not an option. This project not only captures the sound and fury of a classic muscle car, but also benefits from decades of development in automotive technology. Everything on the chassis, from the frame rails to the custom
[portfolio_slideshow id=11097] Good thing: Kickin’ audio system with megawatt amps, big subs, zillions of speakers, crossovers, and enough wire to hook up your average city. Bad thing: Melted, smoking, fried vehicle electrical system ’cause you didn’t have a big enough alternator. The fact is, not having enough amps to properly feed your vehicle’s electrical accessories
In the first part of our multi-part video series on how to select the right cylinder heads, you’ll learn how runner size and shape factor into choosing the right cylinder heads for your application. Using the ever-popular first-generation small block Chevy as an example, this video will help you identify runners that will keep air
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