Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...
To resist exhaust valve seat recession, many late-model cylinder heads have induction-hardened exhaust seats and high-quality valves. For most engines, compression ratio can be significantly lowered ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results