Join Date: Mar 2010
Location: NE Indiana
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Blow off valve?
I don't know much about these trucks. I have exhaust from the manifold downpipe and back with nothing but a small muffler. I have an afe air box/filter. H&S minimax on the mild tune.
2008 F350 4x4 Crewcab dually.
While pulling my 34 ft bumper pull with two rigs and a truck camper when I'm pulling a grade and the motor kind of bogs down(like you should've made the trans downshift)? it will build pyro. When it gets up to about 1000 to 1200 degrees when you let off of it there is a noise that sounds like a blow off valve or something...not sure but sound like its coming from the area of the air box.
I didn't own this truck long before i deleted the exhaust and added the airbox and tuner so I don't know if this sound was there before, I never heard it on my all stock F450.
All systems seem to be working properly and its been deleted for 2500 miles.
mac 'hope its normal' gyvr
2008 F350 Lariat 6.4 dieselcrew cab dually 4x4 4.10s 135k
DPF/Cat/Muffler delete, AFE air box, H&S minimax, B&W goose, Tinted Windows, air bags, procomp traction bars
"Fight socialism buy a FORD"