Join Date: Nov 2011
Location: West By God Virginia
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Why ebp? Whats a good or bad range ?
EBP will be higher than boost almost all the time. With a high enough EBP, you can float a vavle. In reality, boost gives you an indirect look at your HP and the more HP, the more chance you have at blowing a HG and up pipes (maybe pistons), but with a 6.4 with the normal mods, you are more likely hurt your engine with higher EBPs than boost. Of course, EBP is major factor in how much boost you are running (along with vanes on the VGT turbo). On a stock valvetrain, I wouldn't want to see over 70. Depending on how conservative you want to be (in other words how much risk you are willing to take of hurting the engine), you might want to try to keep it below 60 (that is a very conservative number). Dont worry about your boost to EBP ratio when you are just taking off, but if you are at WOT, a 1: to 1.5:1 ratio would be desired. Also keep in mind with EBP, the H&S monitor gives you the actual value but with Spartan (a DD made by Drew Industries) the reading is absolute so with Spartan, you have to subtract roughly 14.7 from the value you see for EBP depending on the barometric pressure where you are at.
The other thing I would recommend monitoring from time to time would be ICP. That is your RP. If you are running your truck at WOT, your RP should be around the mid-20k range (depending on the tune). If you find your desired RP is a few thousand higher than your actual RP, you are having some kind of issue on the fuel side of things....the most common problem would be your HPFP is getting weak.
2008 F350 ZF6 daily driver
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