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Old 04-18-2003, 08:20 PM   #1
SCOOBER
Scooby Newbie
 
Member#: 223
Join Date: Sep 1999
Location: Ohio
Vehicle:
1999 Impreza 2.5RS-T
Aspen White

Default Oil/Coolant connections for turbo

I have seen a few ways people have done this, but I wanted to see if anyone else has input on the connections for the oil and coolant lines to the turbo on a 2.5 motor. I don't think taking my pan off to tap it is a good idea....I live in Cleveland and the bolts look pretty small and rusty....which could translate into broken bolts in the bottom of my block...not something I have time to deal with at this stage in the game.

Anyway.....show us some pics of the hookups for the turbo cooling and maybe what lines you used / where you got them!!

Thanks,
Doug
Soon to join the RS-T forces!!
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Old 04-19-2003, 01:13 AM   #2
Mancini
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Member#: 20726
Join Date: Jul 2002
Chapter/Region: MAIC
Location: Pittsburgh, PA
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Tapping the pan is probably easiest. I think some other people have tapped a cylinder head. But you might want to try to get the bolts off the pan. I have a 98 and mine came off with very little effort. I think they are only torqued to 10 or 11 lb ft.
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Old 04-19-2003, 09:44 AM   #3
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Chapter/Region: MWSOC
Location: Carol Stream, IL USA
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MY05 PSM GGA !STOCK
MY99 RS-RIP / MY95 MX-5

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Tap the pan, its easy!

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Old 04-19-2003, 12:08 PM   #4
Mancini
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Location: Pittsburgh, PA
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What I did was use a -10 AN bulkhead fitting. Drilled a hole then used a dremel to widen it just enough to get the threads to fit through. I used the dremel to cut off the set of thread on the inside of pan. An I put the nut on the outside of the pan. I used a healthy helping of rtv to ensure no leaks. So far I've had non.

If you don't know what a bulkhead fitting is look here...


http://store.summitracing.com/partde...t=EAR%2D983210

The side with two sets of threads is for the nut and the -10AN return line. The other side is inside the pan with the thread cut off. The plate is on the inside and the nut on the outside hold it together.
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