Mailbag: Troubleshooting Drivetrain Vibration
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we explore possible causes for drivetrain vibration: R.M. Sandusky, OH Q: I have a vibration problem with my 1979 Chevy Caprice two-door. I replaced the 305 engine with a 355 that has a mild street cam, a Holley 750 with




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