Make up turbocharger cooling exit to volume line. Cut, bent, flared AN6 aluminum tubing to run from the turbo bearing case to an AN6 male to male adapter. Adapter taped at center with a 1/8" NPT threaded theromostat switch at instrument tap. Mounted line parallel to oil line, supported with [sz?] cushion clamp attached to AN4 braided tube running from oil filter to turbo bearing case.