Axle ID: A Quick Guide to Identifying Common Rear Axles
Seasoned car guys can often identify cars at first sight. But how many of us can easily ID a vehicle’s rear axle? It’s a handy skill to have for sure — especially when you’re scouring a junkyard for a replacement axle or evaluating a potential project vehicle. We’ve put together this visual guide to help you hone
Quick Tech: Tips for Choosing and Installing an Alternator
There are many factors to consider when purchasing an alternator. Things like amperage, voltage, pulley ratio, and wiring all come into play. We’ve covered some of these topics in this earlier post; however, we still receive many questions about alternators from readers. So we teamed up with the tech experts at Summit Racing to get answers for some of
Mailbag: Building a 12-Second ’68 Camaro
Q: I’m in the process of building a street/strip Camaro. My goal is to run high 12s in the quarter, with a few restrictions. I am going to use a 454 engine with oval port heads and 9:1 compression pistons, a stock TH-400, and 3.73 rear axle gears. What carb/intake combo, camshaft (preferably solid), headers, and
Carb Loading: Load up on Holley Carburetor Tuning Tips and Tricks
Carb tuning has been a popular topic for us and our readers. Over the past few years, we’ve done several posts on the topic. The process itself can be a little tricky and very trying — especially for novice wrench-turners — so we thought we’d take the work out of finding good information. That’s why we’ve taken our
Ask Away! with Jeff Smith: Rectangle vs. Cathedral Port Heads – Which is Right for Your LS?
Everything I read says that the big rectangle ports for LS engines flow better than the cathedral ports. But then I know some pretty quick street cars running cathedral port heads. So for a 6.0L LS street engine, what would you recommend? My engine will be backed by a T-56 six-speed and 3.42:1 gears in
Carbureted vs. EFI: Fuelab Examines How Fuel Line Size Relates to Fuel Pressure Drop (and Why it Matters)!
Does size really matter when it comes to fuel lines? According to the fuel delivery system experts at Fuelab, it does. It’s because fuel line size and length have a direct effect on the amount of fuel pressure drop your fuel system will experience. Too much pressure drop can inhibit the performance of both carbureted and EFI systems
Mailbag: Choosing Between Even and Split-Duration Camshafts
Q: I’m building a 440 for a Ramcharger. The engine will have to pull about 9,000 pounds GCW so I want a lot of low to midrange power. The engine is bored .040 inches over, will have 9.3:1 to 9.5:1 compression ratio, and has mildly ported open chamber heads with 2.08 inch intake/1.74 inch exhaust
Saving Silverado (Part 6): Replacing the Knock Sensor on LS-Powered GM Trucks
Search the Internet about it and you’ll quickly find that failing knock sensors in LS-powered GM trucks are a common occurrence. Replacing a knock sensor may seem like a daunting task once you find out that you have to remove the intake manifold. Thankfully, intake manifold removal is much easier on an LS engine than a Gen I small
Trans-Brake Tell-All: What a Trans-Brake Does & How to Use It
[portfolio_slideshow id=50283] Before the advent of the trans-brake, racers using automatic transmissions were at the mercy of the foot brakes installed in their respective cars. The stick shift guys had a big advantage, because they just had to engage the line lock (Roll Control) to leave consistently at an engine rpm where the car worked the best. Then
Quick Tech: High-Volume Oil Pumps and When You Might Need One
Most people know Jason Line for his on-track accomplishments. But Line and teammate Greg Anderson are hands-on gearheads. Both spend countless hours wrenching on their Pro Stock engines as well as their personal project vehicles. The guys are currently up to their ears with fuel-injection testing and tuning on their new Pro Stock powerplants, but Line recently worked




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