Welcome to JD Fanatics @Bessie9. Sounds frustrating. Unfortunately above my experience level to help. This is probably a good one for @truck21, @Kster526 or @johndeereelfman.
K321 Compression Issue
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Update:
Recently talked with a guy (in person, in his shop) who has been in the mower repair business 30 years, works on a lot of 20 year+ old units, and his suggestion is my issue is related to fuel supply, so I'm doing what he has done to a K321, replacing the old mechanical pump with a B&S vacuum pump. This is step 1, creating the engine plate for connection from crankcase to pump, for vacuum. Photos below are descriptive of the process.
Question - The straight connector is seeded damn tight and won't turn any more into the plate. Is there any need for it to protrude through the plate into the crankcase?
Attachments
Thanks, It was a tapered reamer but with only about 1/8" of material, it was the best that could be achieved. Sealed it with J-B Weld Cold Weld on the exterior face of the plate, so it's likely a good seal now
I agree with ckjakline that as long as you've tapped all the way through the 1/8 plate and your tube is good and tight in place it should seal fine. You would'nt gain any by tapping through deeper since pipes do seal on the threads unless perhaps you wanted to also put sealer around a short protrusion of the pipe on the inside of the plate also. Your JB Weld should seal it well around the outside of the pipe though so you should be fine.Thanks, It was a tapered reamer but with only about 1/8" of material, it was the best that could be achieved. Sealed it with J-B Weld Cold Weld on the exterior face of the plate, so it's likely a good seal now
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