Dec 5, 2010 · I'm interested in hearing from folks that have modified the ECM on their 8.1 Vortec Gas engine. Or possibly those that have added a programming chip. I've heard the stories that …

Apr 12, 2005 · I just bought a 2002 trek with the 8.1 engine. I put in a scan guage ane the temp reads from a low of 198 to as high as 216 when going up a long hill. The owners manual says …

Dec 30, 2013 · I have a 2002 Winnebago Adventurer 35U with a Workhorse W22 chassis and 8.1 Liter Chevy Vortec engine. I am not a very good mechanic but I did think that I knew a spark …

Jul 11, 2009 · Has anyone experienced engine failures with the 8.1 vortec? I have a 2004 Winnebago and have had two engine failures, the first on with 17, 000 miles on it for a ring …

Aug 25, 2015 · I have a 2004 Dolphin MH with the Workhorse 8.1L Vortec engine and have had an on going problem with the engine losing power. It has happened on 3 different trips. At first …

Jan 10, 2011 · And installing new injectors is a small task as well. I appreciate your input on the diesel vs. gas engine, but for what I use the MH for, a gasser makes perfect sense. Maybe …

Apr 14, 2019 · On our 2010 Bounder (F-53, V-10) we typically got around 7 mpg, usually running around 60-62 mph. On our 2007 Beaver (CAT C-13, 525HP, 45 ft length) we typically got 5-6 …

May 16, 2009 · The 3-valve V10 is similar in horsepower to the 8.1L V8, but the V8 runs at lower rpms to produce it. Many people find that lower rpms (less noise) to be less stressful on the …

Dec 31, 2010 · But attempting to keep the heavy Pace in overdrive was a real problem. Normally I like to cruise around 56 to 60. Unfortunately with even the slightest hill, it would downshift. …

Jun 14, 2018 · i just looked up the vortec and richard is correct. they use a 454 block but with a longer stroke. probably different heads but terminology can be 454/496. the 8.1 is a give away …