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Author Topic: Oil drain tube  (Read 3274 times)

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Offline Shimy87

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Oil drain tube
« on: August 10 2022, 05:49:43 PM »
This thing has always leaked a bit so got ambitious and decided to put a new gasket in it. Leaks worse now! Going to remove whole thing and see if its cracked....... oil shows up on top of gasket that sticks out a little so don't think its cracked. Maybe its warped a little???  Pain in the ass to get to!!
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87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Steve Wood

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Re: Oil drain tube
« Reply #1 on: August 10 2022, 06:05:29 PM »
Turbo drain line?  They often crack and a factory style tube is much better than the steel braided hose aftermarket junk.

Be sure the fitting going into the block is tight.
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Steve Wood

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A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline Just a Six?

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Re: Oil drain tube
« Reply #2 on: August 11 2022, 11:14:15 AM »
File it down if it's not flat.
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David
87 LTD. Purchased May 88
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Offline gnonyx

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Re: Oil drain tube
« Reply #3 on: August 11 2022, 12:44:25 PM »
My Throttle Body was leaking a bit and when I checked it it looked like it was slightly wrapped so I place emerald sand paper on top of a piece of glass and the Throttle Body surface came out smooth and level.
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87 GN T-Top, ScanMaster, hot-wire kit, Full Throttle chips w/ matching 60# injectors, adj. fuel pump, and triple pod gauges w/ AEM A/F gauge, oil pressure gauge, vac/boost gauge, Kenne Belle rear seat brace, upgraded tranny w/ Art Carr pan cover, and a pre-lube oil system.

Offline Shimy87

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Re: Oil drain tube
« Reply #4 on: August 11 2022, 09:22:33 PM »
Well disconnected from turbo and checked with a straight edge and seemed good, made a new gasket and used some orange hi temp silicone on each side. Put back together, didn't tighten up real tight, let it cure overnight and final tightened it today. Cleaned everything real good with degreaser and water spray.......st ill has a small drip hanging off the lower bolt head. No cracks in pipe.. Looks like I'm going to have to do the sandpaper method to ensure flatness. I can't believe with a gasket and silicone this thing still leaks!!!
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87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Steve Wood

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Re: Oil drain tube
« Reply #5 on: August 11 2022, 10:47:00 PM »
I have better luck without silicone.  If I use anything it would be the NASTY permatex aviation 
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Steve Wood

http://www.vortexbuicks-etc.com

A lot of broken parts does not make you a racer; it makes you a slow learner.

Offline phil_long

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Re: Oil drain tube
« Reply #6 on: August 12 2022, 12:26:44 AM »
I don't care for the oil drain tube at all Lol
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