I’m building an LS engine to put into an early Chevy pickup and I’ve got a fuel delivery system question. I’m running one of those new Holley Sniper aluminum fabricated manifolds and we’re not sure how to use the fuel pressure regulator. The regulator has a small nipple on the top that’s for a vacuum
Returnless fuel systems are becoming more common in new vehicles. As we learned in a recent Jeff Smith Ask Away! column, the increased use is due in part to tightening federal environmental regulations. Does that mean a returnless system is better for your engine than an earlier, return-style setup? It’s an important question to answer, especially
Long-time diesel guys know the benefits of a lift pump. By feeding the injection fuel pump with a steady supply of fuel, a properly operating lift pump assists in maintaining constant fuel pressure even under high loads. That means your engine has all the fuel it needs to make maximum power when you need it the most. In some cases, you can
I have a small block Chevy in a ’66 Chevy II that seems to run pretty good but now I’m not so sure. It’s a 383 small block with a set of no-name aluminum heads, a Lunati hydraulic flat tappet Voodoo cam (227/233 degrees at 0.050 inches with 0.489/0.504-inch lift), a Performer RPM intake, and
There’s really no secret to making horsepower with a nitrous system. Nitrous delivers instant power gains by cooling the intake charge, improving fuel atomization, and giving your engine the ability to burn more fuel. But there are four ways you can optimize your nitrous system to ensure you achieve maximum power with your new nitrous
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