Mailbag: Getting Into the 12s with a Chevy Camaro and a 454
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re building a combo that will hopefully get a big block-equipped Camaro into 12-second ETs. Q: I’m in the process of building a street/strip 1968 Chevy Camaro. My goal is to run high 12s
Mailbag: Solving Fuel Starvation in Cool Temperatures for Fuel-Injected 2.5L Camaro
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting problems with a fuel-injected 2.5-liter Iron Duke Camaro engine that’s experiencing fuel starvation in cooler temperatures. Q: I have a 1982 Camaro with a 2.5L four-cylinder with throttle body fuel injection.
Mailbag: How to Fix Gas Fouling and Oil Misting on 383-Powered ’55 Chevy
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting problems with gas fouling and oil misting on the passenger side of a 383-powered ’55 Chevy. Q: I have a 1955 Chevy with a 383 motor, a four-speed transmission, and a
Ask Away! with Jeff Smith: Setup Recommendations for a Supercharged EFI & Nitrous Combo
I am building a 355 cubic inch small-block Chevy with AFR 1065 220cc Race Ready AFR heads, an Erson roller cam, and FiTech fuel injection. Can I use a wet nitrous system injected under the fuel injection and then into a Weiand 6-71 blower? D.W. Jeff Smith: From your photo, it looks like a great project.
Mailbag: Pairing an Electric Speedometer with a Cable-Driven Transmission
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing mating an electric speedometer to a cable-driven Turbo 350 transmission. Q: I have a 1990 Chevy S-10 pickup with a 350 engine, a Turbo 350 transmission, a 9-inch ford rear axle
Mailbag: Adding Performance to a Stock 305 in a G-Body Monte Carlo SS
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing removal of emissions controls on, and rebuilding a carburetor for, an ’85 Monte Carlo SS. Q: Two questions: I have a stock 1985 Monte Carlo SS with a 305. I have
Ask Away! with Jeff Smith: How to Measure Accurately for a Shorter Timing Chain
I’m building an iron 6.0L LS engine and just tried installing the timing set and the chain is super loose. I wasn’t sure how old this timing set was so I bought a brand new chain and it’s just as bad as the original. The machine shop align honed the block but I didn’t think
Mailbag: Troubleshooting Detonation Problems After New Carb Installation
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting detonation problems that appeared after a new carburetor was installed on a stock Chevy 350. Q: I just bought a 1979 GMC Jimmy with a bone-stock Chevy 350. The first thing
Mailbag: How to Get 400+HP from a Pontiac 400 Engine
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re recommending a parts combo to get 400+ horsepower from a Pontiac 400 engine in a 1968 Firebird. Q: I want to build a Pontiac 400 engine for my 1968 Firebird. What parts
Ask Away! with Jeff Smith: Troubleshooting Idling Problems in a 429 Ford
I have a 429 Ford in a Torino I bought about five months ago. The previous owner told me it has a flat tappet hydraulic performance cam but he didn’t know the specs or much of anything else about the engine. Just recently, the engine started making a ticking noise that is the same as




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