Chevy's W-series 348 and later the 409 became legends on the street. Recently, the 348s and 409s have enjoyed a high-performance renaissance and many speed manufacturers are making heads, blocks, and virtually every part for these engines.Late-model (1987a1996) Vettes require Compa#39;s special narrow-body, self- aligning rockers. The narrow ... Aftermarket Valves Aftermarket valves improve an enginea#39;s breathing, provide a more reliable component and even decrease the weight of the valvetrain. One of ... With exhaust temperatures ranging from 900 to 1500 degrees F, separate stainless blends for intake and exhaust valves are common.
|Title||:||How to Rebuild & Modify Chevy 348/409 Engines|
|Publisher||:||CarTech Inc - 2012|