Now that the ignition spark timing advance curves are optimized for the blend of reformulated and/or oxygenated gasoline your customers are using we will now show you how we use tools such as a 5-gas exhaust analyzer and wideband Lambda air/fuel (A/F) meter to tune the mixture.
The Air/Fuel Mixture
Further fueling your fuelie knowledge
Imagine for a minute that the amazing, over-caffeinated meatbag you call your body actually isn’t so amazing. That every energy-expending action you make—from the tiniest facial expression to a full-on sprint—requires instantaneous and precise fuel intake. Aside from holding really
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Here are the latest products to help you swap an LS motor into your vintage Chevy.
Back in 2009 when LS swaps were gaining ground, we had Mike Copeland write an in-depth story on the things you need to consider when swapping in an LS
Our garage-built 383 gets its final parts installations, making this stroked LS1 ready to run!
Step By Step
Jesel offers a specific version of its J2K Shaft Rocker System for just about any
Building Upon The Completed Short-Block Of Our Home-Grown, Stroked LS1
Step By Step
While builders of overhead-cam engines simply bolt their bumpsticks atop cylinder heads, GM’s decision to stick with a single-cam valvetrain on the Gen III V-8 means
If you’ve been following the buildup of GMHTP’s project 2001 Trans Am WS6, you know that we’ve been hinting at an imminent displacement increase. While bolt-ons like our full exhaust, big intake, and direct-port nitrous system have gotten excellent power increases out of this Pontiac’s internally stock engine, there’s nothing
The first generation small block was revised to create the second generation LT1/LT4 that was used for some applications from ’92 to ’97, but the results didn’t satisfy the people at GM Powertrain, so they started all over in ’91 and designed a brand new small block.
It’s officially called
Upgrading to Gen III LS-Series PCM: Electric Fan Guide
Gen III PCMs are powerful control modules but they are of little use without tuning software to change engine (and transmission) operating parameters. Before getting too far into a discussion of electric fans and PCM calibrations, it is important to first
LS Engine Rebuilds: Pre-Assembly Guide
Let’s be honest: at this point, you’re probably getting a bit tired of reading each chapter introduction. Each one contains parent-like nagging of the importance of the material therein, and threatens you with grave consequences for not paying attention to detail. However, attention to
Flash-Based Factory PCMs – Tech – In A Flash
In 1984, while we all marveled at the news of General Motors’ stunning new Tuned Port Injection debuting on ’85 Vettes, a far more important automotive technological breakthrough was taking place at Toshiba. Okay, so it wasn’t exclusively or intentionally
The General Motors engine family commonly called the LS series debuted in the then-new1997 model year C5 Corvette as the all aluminum LS1 V8. General Motors called it the Gen III small-block V8 and a year later (the 1998 model year), the LS1 replaced the LT1 small-block in
It’s 4.8 vs 5.3 in a battle of smaller small-blocks
Let’s face it: The little guys never get the love. Case in point, the 4.8L LR-4 or LY2. Everyone wants a 7.0L, 6.2L or at least 6.0L LS engine powering their trucks and muscle
With Smart Parts Choices And A Little Elbow Grease, Putting Together An LS Stroker Can Be Easy On The Wallet–And Result In Dynamite Dyno Numbers
Like getting what you want while spending a lot less than you thought? Sure you do. And let’s face it,
Buttoning Up Our Garage-Built LS Stroker And Heading To The Dyno With Hopes Of Unleashing 600+ Horsepower
Tough times have forced many to pinch pennies, and enthusiasts have not been immune. But a new awareness of the value of a dollar doesn’t dictate a death