engine knock

I recently bought a really awesome street Camaro with a 355ci small-block, a Super T-10 4-speed, and a 12-bolt with 4.10 gears. The engine runs really great and pulls hard all the way to 6,500 rpm but it has this really bad knock when the engine’s cold. When I first took the car on a

Got questions? We’ve got the answers when the Summit Racing tech department tackles your automotive-related conundrums. This week, we help eliminate an engine knock problem. L.P. Roseburg, OR Q: I just put a new 9.7:1 compression 383 small block engine in my 1978 Chevy 4 x 4 pickup. It has less than 100 miles on