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Power Strokes
7.3 Aftermarket
Piston Bowl De-lipping
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[QUOTE="Countrycar, post: 1546051, member: 11769"] Just wondering guys if any of you know of, or have experience here to share about the de-lipping of the Piston Bowls. Basically I understand the process of de-lipping is done to keep the pistons from cracking under extreme heat and pressures. But my question is more to the de-lipping of the piston bowls causing idle haze as well as haze and or smoke under light throttle conditions. I have what to me is a little more idle haze and throttle tip in smoke than I'd like see. From reading and some research I've read where some builds run very clean, and others seem to run just as mine does, so I'm trying to gain some knowledge and understanding as to what is causing these problems. I've checked the compression and all are 410-420. I've done extensive visual checks for leaks in the system and it looks tight thru-out. I'm going to do a boost leak test next weekend when I get a bit more time to do so, but the system being tight and with no leaks, would the piston bowl de-lipping cause these issues. I was currently watching a guy named Brandon (The 7.3 Garage) from the Florida area who recently did a rebuild on his engine and he's basically running my same build. I don't know just yet if he did the piston bowl de-lipping but his truck runs very clean compared to mine. I also currently watched an interview of another guy on Youtube that upon doing a second build on his truck, he mentions not doing the piston bowl de-lipping as it tends to cause idle haze as well as throttle tip in haze etc. So this is the only info I've managed to pull together in my effort to find out if the de-lipping can cause this problem. Thank you to anyone that can provide some info on this. The following is my build. 300/200, BTS twins, HV-lpop, sxe 472 trubo, pistons bowls are de-lipped w valve reliefs cut in and ceramic coated, & dry film piston skirts and bearings, PP heads, Fass fuel system. [/QUOTE]
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