Ask Away! with Jeff Smith: The Science Behind Low-Compression Engines
I’ve seen a couple of posts where the discussion is about how much compression to run and still use a supercharger. There were lots of ideas kicked around but it […]
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Ask Away! with Jeff Smith: Troubleshooting Valve Train on Small Block Chevy 355
I have a 355 c.i.d. small-block Chevy with a big cam, decent compression, and production iron heads. The cam is an Isky 268/272 at 0.050 with 0.640-inch lift. It has […]
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Ask Away! with Jeff Smith: Fixing Spongy Brake Pedal Feel After Transmission Swap
I have a brake bleeding question. We installed a Wilwood four-wheel disc brake system in my ’68 Nova about 15 years ago, and for a couple of years of driving […]
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Ask Away! with Jeff Smith: Optimizing Compression in SBC Corvette Boat Engine
I’m rebuilding a Corvette small block Chevy engine for my cruiser boat in Australia. It’s a mid-range torque engine. I’m using Scat forged, floating pin rods, and a mild Isky […]
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Ask Away! with Jeff Smith: How 2618 vs. 4032 Alloys Affect Forged Piston Noise
I am building an LSA supercharged 6.2L motor. I would prefer to run a 4032 forged piston with a 12cc dish to create the proper compression ratio. I recently watched […]
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Ask Away! with Jeff Smith: A Brief History of the Airflow-Restricting Chevy 305
How did Chevrolet build the 305 cubic inch small-block? Is it a mash-up of 283 and 350 parts? Or is it just slightly larger than a 302 Chevy engine? — […]
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Ask Away: Explaining Mysterious Rod Bearing Failure
Could I get your opinion on an engine problem? I spun a rod bearing in my supercharged big-block Chevy. The engine makes big power and has run my ’55 Chevy […]
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Ask Away! with Jeff Smith: Matching Fuel Pumps, Lines & Injectors for Max Power
I need help understanding EFI high pressure fuel systems. I have researched all over but the answer eludes me. What determines line size? I’m trying to build a Whipple Supercharged […]
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Ask Away! with Jeff Smith: Comparing Pedal Effort with Hydraulic vs. Mechanical Clutch Systems
Does a hydraulic system make the clutch pedal effort easier than a mechanical linkage? A friend of mine says the effort will be the same because all the force is […]
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Ask Away! with Jeff Smith: Pro Tips for Mating a 2002 Chevy Trans to a 1999 Engine
Will a 2002 Chevy transmission work behind a ‘99 Chevy motor? Is wiring or computer an issue? I work at a junkyard and the interchange says one year only. This […]
