Turbo boost
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Logistics Pro
Joined: Jul 2014
Posts: 4,673
Likes: 532
From: Houston, Texas
Turbo boost
Hey, anyone know how much boost I should be getting from my 08 E450 6.0L? It's running fine, but I happened to check the boost with TorquePro while driving and it's rarely more than 5-6psi. But, that was cruising on the highway pulling a trailer. So, I gave it pedal, downshifted, and got the RPMs up to about 3000, still didn't see anything over 12psi. I know Eseries are down-tuned - is that how Ford does it, by limiting boost? The bus struggles at 17,000lbs GVW when it's rated at 20,000. Can't find a boost spec anywhere. Any diesel vans out there who can tell me what they're getting?
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Logistics Pro
Joined: Jul 2014
Posts: 4,673
Likes: 532
From: Houston, Texas
Dang, going down the rabbit hole on this and can't find anything. Lots of references in the diagnostic procedures to low and high boost, but nothing to says what either number is. Lotsa threads in the various forums about low boost, some talk about numbers, but not on the Eseries.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
You might try posting this same question in one of the diesel engine sub-forums here on FTE. Alternatively there's a site dealing with E-Series with the 6.0, look for "sportsmobileforums com", remove the spaces.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Related to your boost question the F-Series and E-Series shouldn't be too drastically different---I could be wrong as frankly I'm not familiar with anything diesel at all. The site I recommended deals with these issues quite frequently---the majority of owners there have E-Series and by necessity have become very knowledgeable about the 6.0 and its operation.
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