Q&A

Mailbag: Why Did Ford Change the Firing Order on the 5.0L 302 H.O. Engine?
Q&A

Mailbag: Why Did Ford Change the Firing Order on the 5.0L 302 H.O. Engine?

Q: I’m building a Ford 302 engine, and I’m looking at camshafts. I’m curious—why did Ford change the firing order on the 5.0L (302) HO engine? A: This question gets […]

This is an image we pulled off MSD’s video on rotor phasing to show how an excessive rotor gap can make the spark jump too far. This will show up as all kinds of problems that can be easily fixed with an adjustable rotor. (Image/MSD Performance)
Q&A

Ask Away! with Jeff Smith: What’s the Best Rotor Tip and Terminal Spacing for my Ignition System?

I have a question about the optimum distributor rotor tip and terminal gap. Modern replacement parts for our classics are all over the place, either in terms of length, cap […]

(Image/Mecum)
Q&A

Mailbag: Budget Performance 351W Upgrades for a 1969 Ford Mustang Mach 1

Q: I have a 1969 Mustang Mach 1 that I’ve owned for 25 years. It has a 351 Windsor engine and a four-speed transmission. I’d like to build it up […]

(Image/Mecum)
Q&A

Mailbag: Basic Upgrades for a 1980s-Era El Camino SS

Q: I have a 1986 Chevy El Camino SS with a Chevy 350, a single exhaust, and power steering and brakes. I’ve had it for 10 years and it has […]

(Image/Super Chevy)
Q&A

Mailbag: Header Adapters for a 350 Chevy-Equipped First-Gen Camaro?

Q: My 1969 Camaro has a 350 small block Chevy engine, Turbo 400 transmission, and a 12-bolt rear end. I’ve purchased many parts over the years, including Dart Sportsman II cylinder […]

Setting idle mixture appears easy but the reality is that achieving an ideal mixture will require patience and attention to detail to truly get it correct.
Q&A

Ask Away! with Jeff Smith: How Camshafts Relate to Exhaust Smell

I have a ’68 383 Road Runner, I bought it as a non-running car and it had a considerable cam in it when I got it—I think it is the […]

(Image/Lingenfelter.com)
Q&A

Mailbag: LT1 Corvette Intake Upgrade for a GM L83 LT Engine

Q: I have a Gen. Five, LT-series 5.3L L83 engine that’s going into my 1975 Chevy Monza. The factory intake manifold is too tall to clear the stock hood, so […]

The disassembled fuel pressure regulator illustrates its simplicity. The spring can be adjusted externally with a screw and lock nut. Note the small nipple connection on the dome on both the small red version and the larger black Aeromotive regulator. (Image/Jeff Smith)
Q&A

Ask Away! with Jeff Smith: How to Install a Bypass Fuel Pressure Regulator on an EFI System

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 […]

(Image/MagnumSwap.com)
Q&A

Mailbag: What Lifters Should I Use For My 360 Dodge Magnum Cam Swap?

Q: I’m building a 360 Dodge Magnum engine, and want to install a performance hydraulic roller camshaft. I can’t find the replacement OEM lifter alignment bars that the stock roller […]

If this API ‘donut’ appears on a bottle of oil, inspect the label as this means the oil is a current spec API legal oil with an SL, SM, or SN rating. This means it contains roughly an 800 ppm concentration of ZDDP and is probably not a good choice for a flat tappet camshaft engine unless the valvetrain is completely stock—and even then this might be taking chances with lifter/cam durability. (Image/Jeff Smith)
Q&A

Ask Away! with Jeff Smith: Can I Mix Zinc Additive with Off-the-Shelf Motor Oil to Save Money?

Why can’t I just add a bottle of zinc additive to my oil and then just use regular off-the-shelf oil? Won’t that work just as well as those more expensive […]