Post Tagged with: "Jeff Smith"

Q&A

Ask Away! with Jeff Smith: Understanding Carburetor Power Valve Channel Restrictors

I’ve read your article on carb tuning about 5 times. I have a 650 cfm SS-AN annular discharge Quick Fuel carburetor with the changeable jets behind the power valve. Are […]

Q&A

Ask Away! with Jeff Smith: Troubleshooting a Chevy 454 with a Bad Vibration at 2,100 RPM

I recently had a 1970s 454 Chevy big block rebuilt and assembled by my local machine shop for my 1971 Monte Carlo. The engine was assembled with new pistons, rings, […]

Q&A

Ask Away! with Jeff Smith: Getting an Aftermarket Tach to Work in an LS-Swapped 1969 Chevy Nova

I have completed a 5.3L LS truck engine swap into my ’69 Nova with a TH350 trans behind it for now. We decided to use the factory ECU and an […]

Q&A

Ask Away! with Jeff Smith: Solving a Shaking, Hiccupping 383 Small Block Chevy in a 1971 Camaro

I have a problem that hopefully you can help. We just finished dropping my brand new 383 small block Chevy into my ’71 Camaro. I had a professional shop build […]

Videos & Galleries

Video: Jeff Smith Shows How to Use a Summit Racing LS Engine Harmonic Balancer Installation & Puller Tool

If you’ve ever tried to remove the stock harmonic balancer on a GM LS engine, you know that a standard harmonic balancer removal tool isn’t going to work. Thanks to […]

Q&A

Ask Away! with Jeff Smith: Diagnosing a Chevy 454 That’s Getting Water in its Oil

I have a 454 big block Chevy that I purchased from a guy online. It looked good, we pulled the valve covers and it had a hydraulic roller cam and […]

Q&A

Ask Away! with Jeff Smith: Upgrading Fuel Injectors for Better Performance in an LT1-Equipped Chevy Camaro

What would be the best injector for my 1995 Camaro? The idea is to get higher performance. Would I have to change fuel pump also? Thanks. P.B. It’s a common […]

Q&A

Ask Away! with Jeff Smith: Proper Rocker Arm Torque & Tightening

I just discovered a rocker arm on my small block that loosened up and popped off the stud. It kinda mangled the threads on the stud, so I’m going to […]

Q&A

Ask Away! with Jeff Smith: Using E85 or Octane Boosters in a High-Compression 283 SBC with a Cruising-Speed Stumble

I am an old school pepper tree mechanic, and not quite in tune with 12:1 compression ratio small block Chevys. I have a 1962 Rambler Classic with a 283 with 12:1 […]

Q&A

Ask Away! with Jeff Smith: What Does “Inches of Mercury” Mean & How Does It Measure Vacuum?

Can you give me a short explanation of what inches of mercury is and how it is measures manifold vacuum? I just don’t understand it. Thanks! J.J. This can sometimes […]