Tech Articles

This photo illustrates the offset weight found on a flexplate and the harmonic balancer for an externally balanced big-block Chevy 454 as indicated by the arrows. On a flywheel, the offset weight is often a series of drilled holes around the outside of the flywheel instead of a fixed weight. (Image/Jeff Smith)
Tech Articles

Ask Away! with Jeff Smith: Choosing a Flywheel for a Gen VI 454 Chevy Big Block

I am looking for the right flywheel for my Gen VI 454 engine. The date code on the block is K106, and the engine casting number is 12550313. I purchased […]

We recently worked with JCG Restoration and Customs on an alignment story on this Mopar. Their Hunter alignment machine is highly accurate and they can produce an alignment that is more performance friendly. (Image/Jeff Smith)
Tech Articles

Ask Away! with Jeff Smith: Tips for Aligning Your Front Suspension to be Performance Friendly

I am running a ‘61 Comet wagon with Mustang II type front suspension with rack and pinion steering that has replaced the stock OE shock tower suspension and steering box.  […]

Tech Articles

Video: How a 4-Stroke Engine’s Piston Motion & Valve Events Work & Why it Matters for Cam Selection

In previous articles, we’ve talked about the importance of Considering Individual Timing Events When Choosing a Cam to help us determine the duration, lobe separation and advance needed. This is especially important […]

(Image/Super Chevy)
Q&A / Tech Articles

Ask Away! with Jeff Smith: Achieving an Efficient Charging System in a ’70 Camaro

I am looking to change my stock 1970 Camaro alternator with an external regulator to a one-wire internal regulator with 150 amps to run my dual electric fans and other […]

Muncie 4-speed manual transmission. (Image/HotrodHotline)
Tech Articles

Ask Away! with Jeff Smith: Choosing and Installing a Manual Transmision on a GEN IV 454

I hope you can help me. I have a GEN IV 454 engine and I would like to install a manual transmission behind it. The late model overdrive transmissions like […]

Camshaft Secret Weapon: Choose Perfect Cam with New Summit Racing Cam Timing Calculator
Tech Articles

Camshaft Secret Weapon: Choose Perfect Cam with New Summit Racing Cam Timing Calculator

It isn’t always obvious which camshaft we should choose for our engine build. Even when we fully understand the individual timing events and how each of them interact in a […]

This is an aftermarket 12 bolt. The area behind the main caps is solid (instead of hollow) and the caps are massive. Because of this, there is no need for a billet cap or a rear cover girdle. (Image/Wayne Scraba)
Tech Articles

Dana 60 vs. GM 12-Bolt vs. Ford 9”: The Pros & Cons of Popular Rear End Assemblies

You’d think selecting a rear end for a project car would be easy. It’s not. Browse Summit Racing’s website or catalog and you’ll discover there are almost too many choices. […]

(Image/OnAllCylinders - Patrick Hill)
Tech Articles

Ask Away! with Jeff Smith: Does 40% Leakdown Test Results Require New Piston Rings?

I just bought a used 5.3L LS engine out of the junkyard and after we got the engine back to the shop and mounted it on an engine stand, we […]

(Image/ - Josh1892)
Tech Articles

Ask Away! with Jeff Smith: Diagnosing Ticking Noises and White Smoke in a Supercharged ’93 Ford Mustang GT

I’ve been looking online for help to figure out what is happening to my car and I thought your expertise may help. I have a supercharged ‘93 Mustang GT with […]

(Image/Wayne Scraba)
Tech Articles

How to Set-Up and Tune Holley’s Dominator EFI System (Part 1)

It’s no secret that aftermarket electronic fuel injection (EFI) systems are becoming more and more commonplace. It should come as no surprise however, that some of the early systems were […]