Ask Away! with Jeff Smith: Gearing, Engine & EFI Advice for a 350 SBC in a Pro Street Opel GT
My project is a 1973 Opel GT Pro Street car. The engine is a SBC 350 with 4 bolt mains and the heads will be replaced with older 2.02/1.60 style […]
Six Liters of Turbo LS Fury: Building a Turbocharged LQ4 for a GMC Dually Pickup
Square body GM trucks and LS engines is a combo that’s close to hot rod heaven. Some may say it’s been overdone at this point. However, being a part of […]
Ask Away! with Jeff Smith: Are Vortec Truck Cylinder Heads Really Better Than Stock SBC Heads?
I’ve got a rebuilt 350 long block and I’m looking at different cylinder heads. A couple of friends have told me that the Vortec head is a little better than […]
Stuttgart Meets Detroit: Check Out This LS-Swapped Porsche 944 Built by a Father & Son
Brian Nutter is a Summit Racing tech expert and a regular contributor to OnAllCylinders. He’s also our go-to guy whenever we have questions about engine internals—particularly with the LS platform. […]
Building a 5.3 LS for a Dirt Late Model LS Racing Class: An Interview, Dyno Results & Engine Parts List
It’s no secret that racing a Dirt Late Model has become expensive over the years—which, if we’re being frank, means it has become out of reach for many grassroots racers. […]
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 […]
The LS Triumvirate: 5.3L Trick Flow GenX 220 Cylinder Head Test
Quick, name the three most effective components for improving power (not including power adders)? What did you come up with? Who said displacement? How about carburetion, compression or even headers? […]
Ask Away! with Jeff Smith: Cylinder Head Upgrade Recommendations for a 307 Small Block Chevy
I’m looking at building a 307 small block Chevy. With the cam I want Summit Racing says I have to get the compression up some. I’m currently looking at a […]
Ask Away! with Jeff Smith: Money-Saving Tips for LS Swapping a Chevy II Nova
I have a 1966 Chevy II with a 327 and a four-speed. It’s a great car because it’s light and kinda nimble for a ‘60s car. I’m considering an LS […]
Do Exhaust Headers Add Horsepower?
When it’s time to start upgrading to a performance exhaust system, it’s easy to get enamored with a throaty rumble coming from shiny exhaust tips. But if you’re chasing horsepower, […]