Tech

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re recommending a parts combo to get 400+ horsepower from a Pontiac 400 engine in a 1968 Firebird. Q: I want to build a Pontiac 400 engine for my 1968 Firebird. What parts

I have a 429 Ford in a Torino I bought about five months ago. The previous owner told me it has a flat tappet hydraulic performance cam but he didn’t know the specs or much of anything else about the engine. Just recently, the engine started making a ticking noise that is the same as

Similar to what we discussed in our Automatic Transmission Fluid 101 post, selecting the right gear oil for your manual transmission isn’t as easy as it might seem. There are dozens of different types of gear oils, each with its own special designation and use, so we created this handy primer (oil pun!) to help

Fuses are an essential part of any electrical system. They are designed to fail automatically in the event of an electrical overload or short—sacrificing themselves to save your wiring harness. Given the nature of how fuses work, it’s critical that you use the proper amp rating for the circuit. Too low a value and your

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re helping a reader troubleshoot spark plug, carb-jetting, and timing issues in a small block Chevy 350. Q: I have a .030 overbored, balanced and blueprinted Chevy 350. It has a 9.5:1 TRW

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re helping a reader sort out trouble with the 350 small block Chevy in his 1978 Corvette. Q. I have a 1978 Chevy Corvette Pace Car with an L-82 350 and a four-speed

Because different transmission gear ratios can greatly affect a drivetrain combination, it’s important for anyone performing a transmission swap to know the gear ratios of the gearboxes you might be installing in your vehicle. We’ve assembled a variety of manual gear ratio charts for General Motors vehicles that we hope can help you avoid choosing

I just bought a cool ’70 Camaro with a 396 motor in it. The guy I bought it from said it had a “hot rod” camshaft in it. It idles like it has a big cam but it also ticks like there are one or two valves that might be loose. I don’t even know

Is it Necessary to Align the Bellhousing for a Transmission Swap? Q: I’m installing a new 5-speed transmission and bellhousing in my 1993 Mustang. A friend of mine asked me whether I aligned the bellhousing. All of my parts are new, so is it actually necessary to align the bellhousing? Yes—Bellhousing Alignment is Essential A:

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing high-volume vs. standard-volume oil pump use on a mildly modified Ford 302 engine. Q: I am rebuilding a 302 Ford small block engine. I’m going to warm it up a bit—small