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1800E mixture lean over 3000rpm 1800

posted by  someone claiming to be Rick on  Wed Nov 17 18:22 CST 2021 [RELATED]

Sorry, lost track of my posting.

Yes, I received the correct part number, used, MPS (MAP) from Don at P1800.com.

So this replaced the VW MPS, but was not noticeable different after driving. In the meantime read one of the links I think you sent me from a Porsche 914 group which described how to remove the full stop cover screw and adjust the inner screw settings. I did 13 separate adjustments and test drives and found a setting that gives 12:1 at WOT and 14 to 15:1 when cruising around. Even though the idle is still fat at 12:1. It idles well and drivability is good. Also, I had recently installed a 123 dizzy and have this set on a curve that I can use full vacuum advance, which I plumbed from a tee in the MPS hose. So it sees vacuum at part throttle and idle.

So right now pretty happy how this is driving. Thanks again for your help.

Rick






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