Reply To: 1956 RD-18 Johnson High Speed jets

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July 20, 2022 at 4:49 pm #263304
Dan Deitz
Participant

    US Member

    Thank you for your help.  Two follow up questions, if you will.  First how did you know what numbers the old number super ed to. Is there a resource or finding out? Second question is, is there something that compresses against the package? Typically there is cup shaped harder surfaces that can compress the packing.