Mailbag: Choosing a Ring-and-Pinion for a Fox-Body Mustang
Q: I have a 1991 Ford Mustang LX couple with a bone-stock 302. I’ve always thought about getting an 8.8-inch ring and pinion set for my Ford, but I’m having […]
Mailbag: Optimizing Gear Ratio for RPM at Cruising Speeds
Q: My 1974 Chevy Nova has 4.11 gears, but I’m interested in changing them. I’ll be taking a long trip soon and I’d like to cruise at around 2,000 rpm […]
Mailbag: Upgrading the Rear-End in a Vintage Chevy II SS
Q: I am in the process of upgrading a vintage Chevrolet Chevy II SS. The car is equipped with an 8.2-inch, 10-bolt rear-end with 28-spline axles and a 3.08 ring […]
Mailbag: EFI and Rear-Axle Swap Recommendations for a 500 C.I.D. Caddy-Powered ’84 Bonneville
Q: My car is a 1984 Pontiac Bonneville with a 500 cubic-inch Cadillac engine. The engine is bored .030″ over and uses flattop pistons and Cadillac 425 heads for a […]
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 […]
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 […]
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. […]
Video: What to Look for When Selecting a New Clutch for Your Vehicle
There’s much to consider when replacing or upgrading a clutch in your car or truck. Today’s video is going to clarify anything you might be confused about, and help you […]
Ask Away! with Jeff Smith: Transmission Recommendations for a ’64 Chevelle
I have a 1964 Chevelle convertible. Several years ago I put a 700-R4 in it, which has never shifted correctly. It slips, doesn’t work right with the carburetor, etc. I […]
Mailbag: Improving ET and 60 ft. Times in a 455-Powered 1967 Pontiac GTO
Q: My 1967 GTO has a 455 Pontiac powerplant with Edelbrock 87cc heads, .030 over Ross pistons, Total Seal rings, Eagle rods, a Crower cam (int./exh. duration 248°/252° @ .050″, […]