Join Date: Jul 2006
Location: Northfield, Illinois
You will probably run into more difficulty with "new" butterfly plates. There are 2 basic variants, 78 degrees, and probably on your 32's, 79 degrees, 30 minutes. These DO NOT INTERCHANGE! Further, the aluminum throat bores are now worn-in from the old plates. Installing new, correct angle plates, would not seal worn bores.
This is the big reason why removal and replacement of plates and bearings is not a good idea unless you are very good at resetting plates so leakage is the same on BOTH bores of any DCOE. I reset a LOT of plates, on worn bore Webers needing new butterfly bars or with a questionable bearing. I've done this for 50+ years, and still, getting some correct, one bore to match another, with worn bores, can take a very long time, as well as requiring a large supply of used plates.
If they are incorrect now, new correct angle plates will still require some skill to correct the balance problems between worn throats in a DCOE body, and new plates may make the leakage (balance) actually worse.
There is no simple or easy solution.
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