(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 […]


Mailbag: Can I Safely Rev My 383-Powered ’79 Z28 Camaro Above 5,000 RPM With a Cast Crank?

Q: My daily driver is a 1979 Z28 Camaro. It has a 383 engine (3.75-inch stroke crank, 5.7-inch rods) and is externally balanced with a 400 balancer and flexplate. It […]

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 […]


Mailbag: Tuning Tips for a Modified Chevy 350

Q: I have a 1973 Nova with a GM 350 crate engine. The engine has Trick Flow 23° cylinder heads, a Lunati cam, Edelbrock Performer intake, an Edelbrock Performer 600 […]

(Image/Steve's Nova Site)

Ask Away! with Jeff Smith: Can I Put a Blower on a 383 with 10:1 Compression?

Can I put a blower on my balanced and blueprinted 383 c.i.d. stocker motor that has 10:1 compression? I just want it for looks, not to race. – G.H. … […]

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 […]


Mailbag: Troubleshooting 440 Engine Detonation at High Altitudes

Q: I own a 1983 Dodge Ramcharger with a 1970 440 engine. The engine is bored .040 inch over, has a forged crank, flat top pistons, and ‘452’ cast heads—the […]

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/David Classic Cars)

Mailbag: Breathing Life Into a Wheelchair-Friendly 5.0L-Powered Ford E-150 Econoline

Q: Back in the day, my buddies and I used to rule the local dragstrips. The memories! Today, I’ve got gray hair and I’m mostly stuck in a wheelchair, but […]