Ask Away! with Jeff Smith: Calculating Valve Spring Clearance for Existing Cam
I bought a set of TFS valve springs (PN 16918-16) for my Summit 8702 cam for an LS engine and I realized these springs are only good up to a […]
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Ask Away! with Jeff Smith: Cost-Effective Ways to Increase Low-End Torque
I’ve been reading you for years at various magazines like PHR, Hot Rod, and Car Craft. I’ve been curious about the lower end of the torque curve. Looking at various […]
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Ask Away! with Jeff Smith: Tips for Maxxing MPG with Fuel Mixing
I have a 2012 F-250 Ford built to use flex fuel. What is the best way to maximize miles per gallon? Is there any advantage to running 1/2 tank of 93 […]
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Ask Away! with Jeff Smith: Cam Swap Tech for 5.3L LS/Vortec Engines
I’ve seen in a 4.8L LS engine story where you used a COMP short duration hydraulic roller cam and the engine made really good power. That cam, if I recall […]
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Ask Away! with Jeff Smith: Curing Engine Stumble in a Big Block Chevy 454
I just bought a big-block Chevy pickup from my neighbor who has had the truck for years. He’s been tinkering with it but has finally decided it’s smarter than he […]
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Ask Away! with Jeff Smith: How to Set Up an Advance Curve Without a Distributor Machine
I’m in the process of tuning up the HEI distributor in my 350 small-block Chevy. The engine has a mild cam. My understanding is that to re-curve my distributor it […]
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Ask Away! with Jeff Smith: What Those Nitrous Bottle Codes Mean & Why They Matter
What does this code on my nitrous bottle signify? — M.A. Jeff Smith: The stamp on your bottle represents the date it was certified—in your case December 2017. Each nitrous […]
Tech Articles
Ask Away! with Jeff Smith: Troubleshooting a Locked-Up Torque Converter
What would cause a torque converter to stay locked on a 700R4 causing the engine to stall? I just replaced the torque converter after replacing the pump in the transmission. […]
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Ask Away! with Jeff Smith: Diagnosing Steering Box Lock-Up Problems
I recently decided to upgrade my steering box in my S-10 pickup. I’ve read that the S-10 uses a very similar front suspension as the G-body cars from that same […]
Tech Articles
Ask Away! with Jeff Smith: Camshaft and Cylinder Heads Recommendations for a Ford Windsor 302
I have a 302 Windsor V8 EFI engine that I converted to a 600 cfm carburetor with a Street Warrior intake manifold. It runs smooth but seems lazy. I’m now […]
