Re: tn27 impeller 375688 now sierra 18-3001 ??

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January 22, 2018 at 9:45 pm #70058
frankr
Participant

    All TN’s are same size. I’m thinking the shaft is 0.437" but could be wrong. Now I gotta go out and measure one. A few years ago, I tooled up to bore those things to sell, but discovered that another club member was already doing it. So I didn’t go into competition with him. Now I don’t remember who it was.