Flow test each port. The hex screws on the bottom are so each chamber flow can be adjusted individually so you can ensure equal fuel flow going to each injector. That is something I think is possible to DIY, but without a true flow bench, it's gonna take a lot of time and adjustment taking it on and off the car...

First step now though before that is to cross my fingers and hope I can get the 5.1bar pressure instead of the 2.3 before.

2.3 makes sense though....if the barrel was not aligned, there would be simply a buildup within the barrel and a leakage into the lower chamber, instead of the pressure going directly from the barrel to the lower chamber. Much more direct.

I was looking at the Porsche documents for rebuilds, but the difference is that the "metering hole" for them is between the two bases instead of the barrel like these. I think this is the reason for much confusion and mystery.

We will see this weekend. If this works, I'm taking apart my rust-clogged distributor to take a look at the micron filter in that one. I have a brand new CIS Flow Tech distributor ready to go, but I'd much rather put a donkey on first.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k