Ask Away! with Jeff Smith: How Hard is it to Swap an LS & 4L60E Into a Vintage Chevelle?
I’ve got a ’66 Chevelle with an inline six cylinder and a Powerglide and I want to swap in an LS engine. I’ve been reading about LS swaps but there […]
Ask Away! with Jeff Smith: Advice on Swapping a TH400 for an Overdrive 4L80E in a Full-Size Chevy Dually Work Truck
I have a 1981 Chevy C30 dually truck with a 454 big block and a 3.73:1 rear gear. I’d like to remove the TH400 and replace it with a 4L80E. […]
Ask Away with Jeff Smith: Are Bad Lifters Causing My Excessive Valve Lash? And How Do I Check?
I have a 496ci big block Chevy that I built about five years ago that has been on the street the whole time. I don’t drag race it, but it […]
Block Party: Summit Racing’s SPC Engine Blocks for Small Chevy May be the Best Ever
It’s not quite a Chicken Little moment where the sky is falling, but the disappearance of good Gen I small block Chevy engine blocks is a major concern. If you […]
Ask Away! with Jeff Smith: Tips on Reducing Compression to Avoid Detonation in a 327 Street Motor
I need your thoughts please. I’m installing KB157-060 (0.60 over) pistons in a 327 I’m building for a friend. The pistons have a slight dome and I’m a bit concerned […]
Ask Away! with Jeff Smith: Tips for Initial Fire-Up of a Rebuilt Engine That’s Been in Storage for Several Years
I have a really strong 421ci Pontiac that had been completely rebuilt for me by a professional shop that is now all wrapped in plastic in my garage. It has […]
Ask Away! with Jeff Smith: Fixing a Recurring Front Pump Seal Leak on a 4L60E Behind an LS
We rebuilt a new 5.3L LS engine for our 1954 Chevy truck with a 4L60E automatic behind it. We added a performance cam and had the oil pan off to […]
Ask Away! with Jeff Smith: Thoughts on Running a Mini-Spool in a ’66 Nova (& Eliminating the C-Clips)
I have a 1966 Nova with the 350 small block pushing about 400 horsepower with a 350 Turbo trans with the original 10-bolt rear 8.2 inch gear I was wanting […]
Ask Away! with Jeff Smith: Running Dished or Flat Top Pistons in a 5.3L LS Engine—or Boring it to a 5.7L
I have a 2003 Chevy Avalanche 5.3 LS. I want to know if I bore my 5.3L 0.030″ over could I use the same connecting rod on the new pistons? […]
Ask Away! with Jeff Smith: Understanding a Supercharged Engine’s BSFC Number to Choose Fuel Injectors
I’ve noticed that many of your tech questions are about carburetors but I have an EFI question for you. When choosing fuel injector size for a supercharged engine, the BSFC […]