Posted by Todd Somers [172.69.62.61] on Thursday, February 07, 2019 at 19:00:56 :
Today I dug out of my PW parts "cold storage department" a WM-300 oil pressure gauge flexible line. This line runs from the forward 1/8" NPTF oil pressure port of the 251 CU IN block and thence to the oil pressure gauge in the center dash mounted gauge cluster. The pressure line is 60.75" long and has fittings at each end as follows: The fitting on the engine end has a short inverted female flare tube with a captive nut and the gauge end also has a short tube with the special nut and ferrule that connects to the oil pressure gauge. Printed on the hose itself is the following information: 3R1U-SAE 30R3-72. I surmise the "72" refers to the length of the line. I will post some pictures to my t137.com web pages and post a link for it when I get my email program fixed. Have been having trouble with sending/receiving email.
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