Three days ago I removed my intake manifold to replace knock sensors and took the opportunity to take pictures of the intake ports. I ran full e85 for about 8 months out of the year since my port injection was installed (~4 months of pump gas during winter and early spring). PI was installed early Sept 2017 so this makes 1 year and ~14k miles. N54 engine
Cyl 1 looked similar to all the others, darkness is due to poor lighting. All cylinders needed post editing for the deposits to even show up, unedited pics are just one big black hole for each port.
PCV setup is BMS OCC / plugged head ports / Mishimoto OCC
Cyl 1 looked similar to all the others, darkness is due to poor lighting. All cylinders needed post editing for the deposits to even show up, unedited pics are just one big black hole for each port.
PCV setup is BMS OCC / plugged head ports / Mishimoto OCC
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