North American Turbocoupe Organization

Oil return sizes and material
tr_guy79 Offline
Senior Member
In the process of replacing my exh. man. gasket, I managed to crack my oil return line. With some putty, tape, and zip ties I managed to get it home (with zero leakage actually...)

I have had an oil return flange for some time, and figure I should put it on. It is female thread, so I plan to take it to the store with me to find a barbed nipple for it, but I dont know what size the fitting off of the 45* adapter on the block is.

Also, I have my doubts that a std. rubber line will be sufficient with how close it is to the bottom of the manifold. The gorilla tape I used in the temp fix shows signs of melting in the very light throttle (avg'd 35 mpg) trip home...

Has anyone else gone this route? What material did you use to connect the two ends?
3rd Annual Philly Tri-State NATO Meet -

'87 - Range Roller 4* adv / 50 trim t04e / Ported E6 / Gutted Knifed intake / Stinger 3->2.5" / Adj. Cam Pulley / Warlboro 255

To Do: PIMP/MS2, FMIC, Bigger Inj

natmac3 Offline
i've seen the flexible [metal] gas lines in the hot water heater section used with success

Joe F Offline
Posting Freak
IMHO rubber is a no-no. Think about how hot the turbo gets Angry and how the oil cools it as well as lubricates it.

I'm sure rubber has been used successfully in the past by someone, but I sure wouldn't do it!
JR's Place - My '87 Turbocoupe

TurboBoost88 Offline
How about getting a return line from stinger ?
88 TurboCoupe,Midnight Metallic Blue on Blue cloth, 140 m.p.h. speedo, 96,000 miles, 5spd. Gills valve, many new parts waiting to be installed..88 TC, Silver, 5spd, My first car, wish I still had that one! Built for customers: 67 Ford Fairlane,69 Mach I,70 Mach I Clone,95 Ranger 2.3/5.0 EFI Conversion,99 Cobra Procharger SC-1 Install/Tune,Factory Five Racing Mark III Cobra #4114,1955 Black on Black Thunderbird for local Ford Dealer owner's wife.

natmac3 Offline
TurboBoost88 Wrote:How about getting a return line from stinger ?

that's what's on 2 of mine! Smile

OU812MACH1 Offline
Senior Member
That's what I attention to the instructions
o4 mach-1,white,4at 1 of 169 ,MAC air filter and x-pipe, SCT tune / o9 BMW 328 M-SPORT, white, 6at/ 87 Turbocoupe ,white,4at,KIRBAN afr,GILLIS boost valve,Garrett/SVO T3,cold air,3" STINGER down pipe and tail pipe, DYNOMAX ultra flow stainless muffler, Walbro 255L fuel pump,cleaned and flowed injectors,STINGER BOV, built A4LD trans w/all
4x4 Explorer guts, K245/F57FA torque converter.

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