North American Turbocoupe Organization



Low oil level sensor thread size
Beau Offline
Member
#1
does anyone know what thread size the low oil level sensor is? i would like to use the hole in the oil pan for my oil temp gauge. this would save having to braze a new bung in the pan and removing the pan, something i really dont want to do. any help would be appreciated.
Beau
-1988 Turbo coupe, 5 speed, Homemade boost controller, K&N cold air kit, By-pass-valve
-1988 mercury Cougar XR-7, 5.0
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Jeff K Offline
Administrator
#2
I dont know the thread size, but be aware that with the engine running, there ia a quart or so flowing thru the engine, meaning that the oil level sensor location is NOT submerged in oil, but is just exposed to air / oil mist / draining oil in the pan.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Beau Offline
Member
#3
ok, so do you or anyone else have a good location to put an oil temperature sender? i would like to avoid removing and drilling the oil pan.
Beau
-1988 Turbo coupe, 5 speed, Homemade boost controller, K&N cold air kit, By-pass-valve
-1988 mercury Cougar XR-7, 5.0
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Martin Offline
Senior Member
#4
Beau, if your oil line to the turbo is in reasonable conditon. I mean to remove and install, you can braze in a stand off fitting there, just have to measure the sender as it would be tightened in the braze on fittling and make certain that the tip is mid stream of the pipe.
Martin
Stock 87, no mods, Black with the grey interior.
Boost High, Fly Low
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Jeff K Offline
Administrator
#5
I just put a hole in the lower area of the pan on both my Tbirds for the EOT sensor. If done carefully (grease the tap so no shavings, etc get into the pan) you will be fine.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
Reply

Beau Offline
Member
#6
Thanks for the insight, would there be any problem with restriction in the oil line to the turbo having a sending unit stuck in there? Or are you talking about putting it in the return line.

Jeff, when the tapping the pan, how do you avoid shavings from getting into pan from the first hole you have to drill (before you actually tap it)???
Beau
-1988 Turbo coupe, 5 speed, Homemade boost controller, K&N cold air kit, By-pass-valve
-1988 mercury Cougar XR-7, 5.0
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Jeff K Offline
Administrator
#7
Here is how I did it: I took a 1/2" drill and started drilling the pan SLOWLY. I waited until the tip of the drill was JUST about to break thru, and stopped drilling. I then took a tapered punch with a sharp tip and hammered it thru to open up the hole. I continued to hammer the punch thru until I got the hole the correct size. This method also gives the tap a little more metal to bite into. There still arent many threads, so to be sure the sender was in good and tight, I cleaned the area well, roughed it up with 40 grit, and used JB weld all over the area to be sure it was tight and to prevent leaks. I have had a sensor in the pan of my 86 Tbird for about 15 years, and one in the TC for about 6 years with zero problems and zero leaks using this method.
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
11 Crown Vic Interceptor
14 Toyota Camry (wifes car)
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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