When it comes to building a 4.840″ bore space engine for drag racing, the class is limited on deck height and limited on bore space, but anything else pretty much goes. Pat Musi of Pat Musi Racing Engines recently finished development on his state-of-the-art 4.840 engine platform, and this 731 cid nitrous combo is freaking awesome!
No complex EFI conversions here, Holley has announced their new Sniper 2 EFI! Get your vehicle up and running in as little as four wires – battery, switched ignition, and RPM. Sniper is an ecosystem and is designed to support the needs of your build The only thing easier than the installation is the setup.
No one can overstate the fact that EFI timing control has radically changed the ability for anyone to fully, and correctly, optimize an ignition timing curve, assuming they are interested in investing the time.
It doesn’t get much cooler than a bright red 1967 Chevy Nova… that is until you add a Hilborn stack-injected intake manifold onto a 421 cubic inch small block Chevy engine and stuff it between the frame rails! Built by David Senderhauf and Knowlton Thunderheads & Racing Engines and tuned by Starr Performance Tuning, Joshua Norris’ Nova is certified badass. Check it out.
Choosing the best strategy for your application will ensure that the correct fueling and spark event is applied to the engine.
EFI systems can employ numerous sensors to perform many tasks, including data acquisition, but this article will concentrate on only the required sensors.
When David Pearson of Little Evil Racing shows up at the track with his Pro 275 Foxbody Mustang, people fear him, and for good reason. David has set numerous 275 drag radial world records, and with a Vortech supercharged 572 cid big block Chevy in this Mustang, another record may fall!
Closed-loop control can be programmed to either add or subtract up to a certain percentage of fuel in order for the engine to reach the target air/fuel ratio.
As part of our small block Ford build, we decided to use Holley’s Terminator X EFI system for plug and play Ford V8 engine control. Chris Wright of Pro Car Associates and Greg Jones of Engine Builder review all that the Terminator X offers and why Holley has been a leader in this product category.
Holley Dominator EFI kits are available for variety of popular applications, such as LS kits with and without drive-by-wire and transmission control and several universal kits for conventional pushrod Ford and Chevrolet engines. These Dominator EFI base kits provide nearly limitless room for growth and expandability. They feature options such as integrated electronic transmission control,
The Hilborn EFI-R injector manifold kits combine the technology of electronic fuel injection with the racing-born performance and aggressive looks of individual runner engine induction. The engine valley covers are sold separate to allow the customer to choose the correct valley cover kit based on the engine deck height Features: Hilborn high-quality heat-treated aluminum valley
Holley EFI Smart Coils are a bolt-in ignition upgrade for your late-model Ford Coyote or Mopar Gen III Hemi engine. Compared to a stock coil, they produce more spark energy while consuming less power without sacrificing voltage output. This means you get a hotter spark at the plug to burn the maximum amount of fuel