Mailbag: Troubleshooting a Sluggish Small Block Chevy

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 helping a reader sort out trouble with the 350 small block Chevy in his 1978 Corvette. Q. I have a 1978 Chevy Corvette Pace Car with an L-82 350 and a four-speed

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Parts Bin: DiabloSport inTune i3 Programmers

From time to time, OnAllCylinders will provide a peek at some of the newest products and deals that can help get your next project on track for less. Check out what’s in our parts bin this week: DiabloSport’s new inTune i3 Programmers are more than a mere update of an existing product. Its engineers have

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Manual Transmission Gear Ratio Charts for GM/Chevy Vehicles

Because different transmission gear ratios can greatly affect a drivetrain combination, it’s important for anyone performing a transmission swap to know the gear ratios of the gearboxes you might be installing in your vehicle. We’ve assembled a variety of manual gear ratio charts for General Motors vehicles that we hope can help you avoid choosing

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Chevy Introduces 2018 COPO Camaro with 302 C.I.D. Engine Option

Chevrolet just pulled the wraps off of the latest Camaro in its COPO race car program. The biggest news surrounding the 2018 COPO Camaro is under the hood, where Chevy can install an optional 302 cubic-inch engine. To Camaro enthusiasts, the number 302 is special—Chevy’s original 302 cubic-inch small-block engine was introduced in 1967 to allow

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UMI Performance Buys PA Racetrack for New Product Testing and Motorsports Events

Philipsburg, PA-based UMI Performance Inc. has acquired CNB Bank Raceway Park in Clearfield, PA where the performance chassis and suspension parts maker plans to open a road-racing and autocross motorsports facility in 2018. Terms of the deal were not disclosed. The renamed UMI Motorsports Park will be largely dedicated to UMI Performance product testing, company

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3 Steps to Proper Bellhousing Alignment & Offset Dowel Pin Sizing Chart

Is it Necessary to Align the Bellhousing for a Transmission Swap? Q: I’m installing a new 5-speed transmission and bellhousing in my 1993 Mustang. A friend of mine asked me whether I aligned the bellhousing. All of my parts are new, so is it actually necessary to align the bellhousing? Yes—Bellhousing Alignment is Essential A:

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SEMA Preview: Cherry Bomb Releases New Performance Mufflers

At the upcoming 2017 SEMA show, Cherry Bomb is pulling the wraps off of two new muffler designs in its lineup of Glasspacks and performance exhaust components. Cherry Bomb M-80 mufflers have a single chamber layout with a fully-welded shell and compact body, which creates an aggressive sound and increased exhaust flow. Cherry Bomb‘s new Salute

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SEMA Preview: Martin Tools New Light Weight Dinging Hammer

Martin Tools will unveil its all-new Light Weight Dinging Hammer at the 2017 SEMA show. This hammer is the latest in a long line of quality Martin bodywork tools, and is ideally suited for forming aluminum. Aluminum is becoming more common in modern vehicles as automakers are using it as a steel replacement to reduce

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