Search results for "fitech"

Q: I am installing a new set of headers, and I’m trying decide on which hardware to use. Would you typically recommend header bolts, or should I step up to a […]

The L98 is a 6.0L, Gen. 4, small block aluminum engine used in GM’s Australian Holden vehicles between 2006 and 2010. The L98 is a slightly modified version of the […]

Q: I’m swapping a low-mileage 5.3L LS engine from a 2011 GMC truck into a Cutlass drag car. The engine will be upgraded with a Trick Flow® 455 HP GenX® […]

When Chevrolet introduced its new “Advance Design” truck back in 1947, the “advance” part wasn’t just clever advertising hyperbole—the truck itself was a quantum leap in refinement and capability over […]

Editor’s Note: This L92 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 […]

Q: I have a street/strip 1969 Camaro with a 427 big block that puts out about 475 horsepower at 6,000 rpm. The engine has an 800 cfm Holley fed by a […]

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’re troubleshooting a sluggish, rich-running Chevy L-82 350 […]

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 […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting drivetrain vibration. Q: I have two questions about my truck. It’s a 1994 […]

Q: I have a 455-cubic-inch Pontiac with a pair of cylinder heads from a 400. The compression ratio is estimated at 9.3:1. The engine was completely rebuilt by a professional engine […]