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JSeery · 07-18-2016, 02:14 PM

You can buy the restrictor fitting but not positive about the thread size on them, might require an adapter. The restrictor size should be .060

The Eaton/Weatherhead catalog still shows a similar replacement part available under catalog number 1215. The 1951-1953 Ford engines and the 1949-1953 Mercury engines incorporated the restrictor into a “T” fitting that also mounted the oil pressure sending unit. The part numbers are 8CM-6073 for the Mercury and 1BA-6073 for the Ford ."

http://cheapturbo.com/store/image/ca...01-500x500.jpg

Oil inlet restrictor for T series 1/8" NPT. Oil inlet restrictor for all T3, T3/T4, T04, T72 etc. turbos (also larger ball bearing turbos such as GT4088R, GT4094R, GT4294R, GT4202R). Restrictor diameter of .065 hole size. Installed at the oil inlet on turbo to reduce max oil pressure going into the turbo to prevent oil leakage into end housings due to excessive pressure. Input is 1/8" NPT male and output is 1/8 NPT female.

Another approach is to fill a normal fitting and then drill with a #53 or 1/16 drill bit.

07-18-2016, 02:14 PM	#2
JSeery Member Emeritus Join Date: Nov 2012 Location: Wichita KS Posts: 16,132	Re: Help with finding oilo fitting You can buy the restrictor fitting but not positive about the thread size on them, might require an adapter. The restrictor size should be .060 The Eaton/Weatherhead catalog still shows a similar replacement part available under catalog number 1215. The 1951-1953 Ford engines and the 1949-1953 Mercury engines incorporated the restrictor into a “T” fitting that also mounted the oil pressure sending unit. The part numbers are 8CM-6073 for the Mercury and 1BA-6073 for the Ford ." http://cheapturbo.com/store/image/ca...01-500x500.jpg Oil inlet restrictor for T series 1/8" NPT. Oil inlet restrictor for all T3, T3/T4, T04, T72 etc. turbos (also larger ball bearing turbos such as GT4088R, GT4094R, GT4294R, GT4202R). Restrictor diameter of .065 hole size. Installed at the oil inlet on turbo to reduce max oil pressure going into the turbo to prevent oil leakage into end housings due to excessive pressure. Input is 1/8" NPT male and output is 1/8 NPT female. Another approach is to fill a normal fitting and then drill with a #53 or 1/16 drill bit. Last edited by JSeery; 07-18-2016 at 02:32 PM.