Q: I plan on installing a supercharger in the near future and I’m not sure what carburetor to use. Do I need to upgrade from my current carburetor to a larger carb to get the most from the blower? Are there any special tuning measures I need to take? A: Much depends on the intended use of your vehicle. If your blown
Q: I have a 1985 Camaro Z/28 with the 305 TPI in it. When I was just cruising around, I glanced at my oil pressure gauge. One minute it was normal, the next it registered zero! As I was driving home, I noticed the gauge would register 5 psi at around 3,500 rpm, so I knew
Old guy up in Canada scratching his head and wondering: A: Is the oxygen in ethanol as hard on aluminum parts as the information available on the web says it is? B: Can the corrosive effects be managed by adding materials to the aluminum or the fuel to offset the damage? C: Or am I
Q: I am in the process of rebuilding a Chevy 350 small block as a 383 stroker. I am going to put the engine in a 1967 Camaro SS. I plan on using a dual quad intake and stock cylinder heads. My question is this: Should I run a piston compression ratio around 10:1, or should I
You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the cause of misfiring. Q: I have a 1991 Chevy half-ton truck. It has a 305 TBI motor with underdrive pulleys, ACCEL distributor cap, rotor, and 8.8mm wires, platinum spark plugs, and a JET Stage 1 computer
I just bought my first car, a ’64 Chevelle with a 283 small-block and a Powerglide trans. The engine runs well, but I’m concerned that when I put the engine in gear at idle, the red “Charge” light comes on. What’s the best way to cure this problem? My friend says I should install a
You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the cause of hard starting and gasoline odor. J.S. Doylestown, PA Q: I have a 1988 Firebird with a 305 TPI engine. I installed a Hypertech Thermomaster computer chip and thermostat, plus an MSD ignition box. My
You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the source of gasoline in oil. Q: The 351 Cleveland engine in my 1974 Mercury Cougar is having a power problem. It has an Edelbrock intake manifold with a 600 cfm Holley four-barrel, 2V Cleveland heads, Crane
You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re focusing on connecting rod length and piston wristpin height. Q: I have a 1972 Ford 302, bored .060-inch over. I took a 351W crank and had its main journals machined to 2.2486 inches to fit the 302 block
Do you know of or are you a good source for questions about timing? I’m not talking about the basics. I think I have that figured out. A question I have is why when I set the total mechanical advance on my race car I’m told I want it all in by somewhere close to
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