In 1999, Ford introduced the DOHC 4-valve 5.4 L in the Lincoln Navigator under the InTech moniker, making it the second engine to use this name. Ford later used versions of the DOHC …

Jul 31, 2010 · Modular V8 (4.6L, 5.4L) - BEST YEAR FOR 5.4 DOHC MOTORS - What year or years is best for the 5.4 dohc lincoln navi motors? Also wondering what the trq/hp numbers …

Mar 30, 2025 · The DOHC design enhances the engine’s performance by improving airflow and increasing power output. The engine has a displacement of 5.4 liters, or 330 cubic inches, …

Oct 18, 2010 · I've replaced Sullivans with ported stock intakes on both single turbo and twin turbo combos, all have made more power under 6200 and all spool the turbos quicker (gaisn of …

Aug 24, 2010 · A stock 5.4L DOHC may not be that much different than a 4.6 when it comes to fuel economy. Here are some figures on the subject, but keep in mind these are SUV's and …

Feb 15, 2014 · Finally FINISHED, My 5.4 DOHC swap. After 3 LONG years of scrimping and saving every spare penny, looking for every deal on parts, and countless hours of research. …

Oct 6, 2006 · At the heart of the GT is an all-aluminum 32-valve dual-overhead-cam (DOHC) engine that's topped with a twin-screw supercharger. Because of the short deadline to …

Oct 23, 2011 · 1997 - 2003 Ford F150 - 5.4 dohc swap - I've been looking into a lot of threads about the 5.4 dohc swap and I can't seem to find a straight forward thread on what to use. I'm …

Feb 14, 2016 · I put together this simple guide on the parts and steps I used to get the old sohc engine out and the 5.4 dohc into the car. All the information I needed to complete this swap …

Dec 2, 2005 · The 5.4 dohc only came with an aluminum block in the GT or directly from Ford. Any stock 4.6 dohc and 3.73 to 4.30 gears would make your truck fun and reliable. Keep us …