whens this REV-X supposed to kick in??? - Ford Powerstroke Diesel Forum
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Old 12-15-2011, 08:00 PM
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whens this REV-X supposed to kick in???

well i have had the rev-x in for about 250 miles or so and havent really noticed much. i switched to 5w-40 mobil 1 full synthetic oil. i figured just switching oil would do what little i have noticed, i figured rev x plus this synthtic oil would have my 6.0 running great but only thing i have noticed is that cold starts are a little better and the engine sounds quieter but who knows. everyone claimed it did so much but im not happy about spending $70 bux yet
here is a video, i know the temps are different but it got cold quick, truck wasnt plugged in either time
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Old 12-15-2011, 08:07 PM
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mine kicks in right away but I have pretty bad stiction issues and it sounds like my truck has a cam when its cold, that all goes away pretty quick with rev x
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Old 12-15-2011, 08:11 PM
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sounds like you need some batteries
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Old 12-15-2011, 08:14 PM
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Quote:
Originally Posted by kingranch89 View Post
sounds like you need some batteries
My thoughts also, sound a little weak.
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Old 12-15-2011, 08:15 PM
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If you don't have stiction issues, you won't see much of a gain. My injectors are in super good health, and I run two bottles every oil change with 5W-40. I do it just for peace of mind. Overkill? Probably. But my engine loves it!!
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Old 12-15-2011, 08:16 PM
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does sound like weak batteries though, might just be because of the cold though, or they are gettin old
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Old 12-15-2011, 08:26 PM
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Travis, this is my truck at 8am on 11/9/11, out side temp was in the low 40's.
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Old 12-15-2011, 08:45 PM
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My batteries were replaced 3/2010 with motorcraft batteries installed by ford when I had some warranty stuff done. I'm actually going tomorrow to hopefully get them replaced under warranty. I have reciept for the batteries. Anything I should say to them or do u think they will give me a hard time?

My truck does the cammed thing also. I havent had many cold starts to see if it is still is as bad because it just warmed up to 50-60's but it's started to get cold again. Our 04 does crank faster. I just don't want to wipe out another ficm. Just had that replaced less then a year ago. Maybe my truck wasn't running bad. I just compare it to our 04 and it runs so good compared to mine, but it only has 24k on it and mine has 67k miles. Is that why?
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Old 12-16-2011, 01:08 AM
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Travis, I didn't hear any reason to run RevX on the first cold start. Mine will do the same thing during a cold start. Chugs a bit then smooths right out. I'd suggest you look at a Battery Tender Waterproof 800 battery trickle charger. I use one every 2-3 weeks to give the batteries a good charge.
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Old 12-16-2011, 06:55 AM
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FICM strategies, FICM voltage, Glow plugs and controller are all variables between the trucks, Rev X is not a cure all for these things. My 04 will start@less than 20 degrees and run evenly in less than 30seconds with over 110k miles, t6 Rottella, No revX,PHP FICM strategy w/o inductive heating. Weak batteries will probably affect the glow plugs, and FICM as well as the Cranking speed.
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