1969Mk3Spitfire Posted August 29, 2020 Report Share Posted August 29, 2020 I've been lying on the floor, under the car in search of an oil leak. I've noticed that I have 1 sump bolt missing. Does anyone know the spec? Thread size, length and material? Source to buy just one? Many thanks Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 29, 2020 Report Share Posted August 29, 2020 there are long and short setscrews especially dont fit a long in the front ally sealing block ,or it will bottom out and strip SETSCREW - 5/16" x24 X 5/8" UNF is the basic setscrew Pete Link to comment Share on other sites More sharing options...
1969Mk3Spitfire Posted August 29, 2020 Author Report Share Posted August 29, 2020 Thanks, Pete. Link to comment Share on other sites More sharing options...
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