Does this sound like a vacuum problem?

I had the opportunity to test tonight. I tapped into the VCV line under the BUFO. Vacuum moved from 12" down to around 2". If I let off the accelerator, it would move up. Depressing the accelerator would move it down.

I had another BUFO I had grabbed from pic-a-part. I just put it on but did not measure any vacuum. My shift from 1st gear to 2nd gear seems smoother.

My shift from 2nd gear to 3rd gear revs all the way to 4K before shifting. If I let off the accelerator as I get close to 4K, she slips completely out of gear! I have to drop the gear shifter to 2 in order to get her back in gear. Get her to 4th and no problems.

I am bringing my MityVac with me tomorrow to test each of the lines again with the new BUFO.

Thank You for your Insights!

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1988 300 TE - Schnitzel (Daily Driver)
1995 E300 - Betty (Son's Daily Driver)

1987 300 TD - Kraut (Dropped a valve)

1987 300 D - Hans (Need to rebuild engine)