Mailbag: Tracking Down the Source of Engine Knock
Q: I built a 350 engine using parts from Summit Racing. At about 3,000 miles the engine would make a clacking noise at startup, but only when the engine hadn’t been run in a while. When the oil pressure came up (60-70 pounds), the noise stopped in a second or two. At about 3,500-3,800 miles, I
Mailbag: Building Streetable Power at High Altitudes
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping an El Camino breathe in high altitude. P.M. Carson City, NV Q: I have a 1968 El Camino with a .030-inch over 350 engine and a TH-400 transmission. I’m also running a Summit Racing cam and the cylinder
Mailbag: Taking a Mildly Modified Chevrolet 350 to the Next Level
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we help a Chevrolet 350-powered 1972 Camaro go to the next level with some street/strip upgrades. J.C. Alda, NE Q: I’m the proud owner of a 1972 Chevy Camaro. It’s motivated by a mostly stock 350 engine with
Top 10 Engines of All Time (#1): Small Block Chevrolet (Gen 1) 350
Editor’s Note: This series counts down the Top 10 engines of all time—see how the voting was done by reading our initial post. The small block Chevrolet changed the hot rodding world forever. It was the small block Chevrolet 265 that started the revolution back in 1955, but the Chevrolet 350 is the standard-bearer for this
Mailbag: Chevrolet 350 Rebuild Recipe
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping to rebuild a 6,500 rpm Chevrolet small block 350. R.B. • Las Vegas, NV Q: I am building a Chevy 350 using a four-bolt main block, a 400 crank, and 5.7-inch rods. The crank has knife-edged counterweights with




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