Mailbag: Tuning Tips for a Modified Chevy 350
Q: I have a 1973 Nova with a GM 350 crate engine. The engine has Trick Flow 23° cylinder heads, a Lunati cam, Edelbrock Performer intake, an Edelbrock Performer 600 cfm carb, and an MSD HEI distributor. The car also has a Turbo 350 transmission with a 2,500 stall lockup converter, Richmond 3.73 gears in
Mailbag: Troubleshooting 440 Engine Detonation at High Altitudes
Q: I own a 1983 Dodge Ramcharger with a 1970 440 engine. The engine is bored .040 inch over, has a forged crank, flat top pistons, and ‘452’ cast heads—the original ‘906’ cast heads were eaten up by unleaded fuel. It also has a Weiand Action Plus intake, a Holley 750 vacuum secondary carb, a
Mailbag: Breathing Life Into a Wheelchair-Friendly 5.0L-Powered Ford E-150 Econoline
Q: Back in the day, my buddies and I used to rule the local dragstrips. The memories! Today, I’ve got gray hair and I’m mostly stuck in a wheelchair, but I still want my ride to have plenty of get-up-and-go. My wheelchair van is a 1992 Ford E-150 with a Mark III conversion. It has
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 a lot of mileage on internet forums, and there’s no shortage of speculation on the subject. According to Ford Motor Co. engineers, the 5.0L H.O.
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 a little and have some fun with it—not a speed machine, just a little more zip on the low end. My budget’s around $1,500, so
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 138,000 miles on it. I garage it every winter. There’s nothing wrong with it, save for a minor oil leak. What improvements would you suggest?
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 heads and Hooker Super Comp ceramic headers. Now that I’m assembling the car, I’ve discovered the ports on the head don’t match the headers! Is
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 I need a lower-profile intake. Can I use the intake from a newer Corvette LT1? *** A: Yes, the LT1 intake will bolt up to your
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 lifters require. Is there another lifter option for this engine? A: Yes! You can use Howards Cams retrofit hydraulic roller lifters. They work in both LA
Mailbag: Can I Overbore a 267 to Power My ’65 Chevy Truck?
Q: My father gave me a 267 Chevy small block that came from a Malibu. I’d like to drop it into my 1965 Chevy truck but I don’t think it’s a strong-enough engine. I was planning to overbore it to a 305 and put in a Scat 4340 forged crank and H-beam rods. Then I’m




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