A certain amount of leeway is built into almost every factory part. Take Project Rust Bucket's turbocharger for example, which is now producing 37 pounds of boost instead of less than 20. Or the ...

The one universal law for any engine whether or not a cylinder head bolt can be reused is what condition is it in. Head bolts removed from an engine running with a blown head gasket can be rusty. If a ...

Many don't give a second thought to cylinder head bolts once they're taken out of an engine, thinking of them as just another set of fasteners. But they have a much bigger role, maintaining a ...