Mailbag: Explaining Automotive Electric Relays
Q: What are the different types of electric relays? … A: An electric relay is a high amperage switch controlled with a small electrical input. Normally, the small input controls an electromagnetic […]
Mailbag: What is a Battery BCI Number?
A battery BCI number indicates the physical size dimensions of the battery rather than its Amp Hours (AH) rating. The BCI group numbers are used to categorize automotive batteries by […]
Ask Away! with Jeff Smith: Adjusting Vacuum, Timing & Advance Springs to Cure Engine Misfire
I’ve been reading your posts/blogs/articles on tuning with a vacuum advance and it’s been very helpful. My combo is a 355 small-block Chevy, 10.7:1 compression, 23-degree Brodix 10x heads that […]
Mailbag: Choosing an Engine Management System for an LS-Swapped Olds Cutlass
Q: I’m swapping a low-mileage 5.3L LS engine from a 2011 GMC truck into a Cutlass drag car. The engine will be upgraded with a Trick Flow® 455 HP GenX® […]
Project Firebolt: The LSX Turbo Tacoma (Part 11): Wiring Up and Cooling Off
In this update we’re starting on our big wiring job and keeping that turbocharged tornado frosty with a front mount intercooler and methanol injection kit. LS-based engine swaps are popular […]
Video: Installing a Summit Electric Fuel Pump in a ’79 Cherokee
A while back, I got my 1979 Jeep Cherokee back on the road after swapping in some full width ¾-ton axles, 63-inch Chevy leaf springs with a shackle flip in […]
Mailbag: Curing Misfire in a 396-Powered ’68 Camaro
Q: I have a 1968 Camaro with a 396 engine that’s .030″ over and has a port-matched Edelbrock Air-Gap intake manifold, 750 cfm carburetor, and an MSD 6AL ignition control, […]
Ask Away! with Jeff Smith: How to Set Up an Advance Curve Without a Distributor Machine
I’m in the process of tuning up the HEI distributor in my 350 small-block Chevy. The engine has a mild cam. My understanding is that to re-curve my distributor it […]
Mailbag: Solving an Inconsistent Starter Motor in a 3rd-Gen. Chevy Camaro with a 305 SBC V8
Q: I have a Chevy Camaro Z28 with a 305 TPI engine and a 700R4 transmission. The car occasionally has some serious problems when starting up. Once in a while, […]
Mailbag: Preventing Electrical Damage in a 1995 Ford F-350 Pickup
Q: I was driving my 1995 F-350 when the truck suddenly went completely dead. I coasted to a stop, opened the hood, and saw that the alternator charge wire was […]