Ask Away! with Jeff Smith: Curing Engine Stumble in a Big Block Chevy 454
I just bought a big-block Chevy pickup from my neighbor who has had the truck for years. He’s been tinkering with it but has finally decided it’s smarter than he […]
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: Rejuvenating an Old 454 Big Block Chevy
Q: I have a 1973 454 big block Chevy. It has a 8.5:1 compression, stock oval port cylinder heads, a Crane PowerMax camshaft, and Edelbrock Performer intake, and a Holley […]
Ask Away! with Jeff Smith: Optimizing Gear Ratio for Overdrive at Cruising Speeds
I have an early 70s Chevelle and I am planning for either a 700R4 or maybe a 4L60E. The car right now has a mild big-block 454 and I’m looking […]
Video: Upgrading Valve Springs to Accommodate Cam Swap
When the gang at COMP Cams decided to swap the camshaft in a 454-cubic-inch V8 L29 L.4-liter Gen. VI motor with an aggressive profile, they were also forced to upgrade […]