Compression Ignition Addict
Join Date: Feb 2008
Location: Covina, Ca.
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In the long run, removing the DPF can help the engine, but it's not a luxury everyone can go with. Whether it's maintaining the warranty, or worries about inspections in your state, or your just unable to perform the conversion yourself.
Several of the tuners Spartan, H&S, Banks offer DPF on tuning options, the cleanest of which is the Banks. All tuners can potentially result in your warranty being voided though if the dealer so wishes. However, Banks is the only one which is receiving CARB approval, which means you won't have to remove it for your yearly inspections.
As for the fuel dilution issue. There are things you can do to limit that as well. During regen, the vehicle injects fuel on both the intake and exhaust strokes. When you place your vehicle in Park or Turn it off, you basically shutoff the regen process. The problem with turning it off though is the fuel remaining in the cylinders will run by the rings when the engine cools off resulting in cylinder wash and oil dilution. To avoid this as much as possible, it's best to let your engine idle for several minutes to let the EGT's come down to normal operating levels and allow the engine to burn off all that excess fuel that is still in the cylinders. It may not stop it completely, especially if your rings don't make a good seal, but it will help allot more then just turning your truck off.
'08 F250 6.4L Lariat 4x4 CC/SRW fully loaded, special ordered
6" Fabtech 2.25 dual shock lift w/18" AR wheels, 35" Toyo AT's
Avic-Z2 Nav/Stereo w/iPod, Bluetooth, XM NavTraffic
(2) Rear headrest mnt DVD entertainment systems
Banks CAI, Dual Exhaust, Six-Gun, Speed Brake & iQ (test vehicle)
Bushwacker Fender Flares
Ravelco Anti Theft Device
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We went into a recession in 2008 because of gasoline prices.