Engine & Exhaust

Vortec cylinder head castings first hit the high performance scene in 1996 and provided GM owners a healthy, budget-friendly option for boosting horsepower. According to Summit Racing, Vortec heads still […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking single- vs. dual-stage nitrous. D.T. • Frackville, PA Q: My daughter and […]

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 […]

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 […]

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, […]

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. • […]

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 […]

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 a 1980s Monte Carlo. Q: I’m restoring a […]

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 […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week we take on premature camshaft and distributor gear wear..                              T.H. • Loveland, CO Q: […]