Does look a bit weird the range of figures. Sump now off, what looks to be gasket sealant clogging part of the strainer so i will clean that out, check theres a pickup pipe gasket and go from there. In response to cooling issues; Engine standard so no air to oil cooler just the boggo heat exchanger. The rad is the biggest i can fit under a Westie bonnet (which aint huge) and the intercooler is off an Integrale! No room to swing a cat in there! Challenging it most certainly has been!