perfect thanks Lars
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I used a step drill that fits the small chuck. The aluminum pan cuts easily. Conversely, drill bits can be turned down. As they are case hardened, you will lose a lot of strength, but, again, the aluminum is easy to drill.
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if you search amazon for "3/8 stub drill bit" there are a bunch that are already really short (under 2") and look to be perfect for what we're trying to do.
like this: |
Shorter may not be better, due to A/C bracket. That's where I rubbed my chuck a little using the short step drill. I think the one I linked to, with the angle drill, would be ideal.
Waiting for Lars' pictures. |
I did not get a chance to take pictures or get measurements last night. I will be home again sometime tomorrow and will get them then.
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Not the best pictures but these should give you an idea. Both cars have AC and PS.
Nb http://mkturbo.com/t3nb/nbdrain01.jpg http://mkturbo.com/t3nb/nbdrain02.jpg http://mkturbo.com/t3nb/nbdrain03.jpg NA http://mkturbo.com/t3nb/nadrain01.jpg http://mkturbo.com/t3nb/nadrain02.jpg Drill and tap. http://mkturbo.com/t3nb/drilltap.jpg |
1 Attachment(s)
Originally Posted by codrus
(Post 1179187)
This is where I did it as well:
https://www.miataturbo.net/attachmen...ine=1416332429 It sits right between the motor mount and the subframe, a straight downward drain, but there's no way you could drill it on the car. --Ian |
Originally Posted by aidandj
(Post 1183776)
Does this location have anything behind it in the oil pan? Do the baffles get in the way?
I happen to have the pan off the car right now, so I shot a couple photos: http://www.codrus.com/miata/fm2r/oilpan-drain1.jpg http://www.codrus.com/miata/fm2r/oilpan-drain2.jpg --Ian |
I have the engine off the car, but the oil pan isn't off. I wanted to know how close the baffles/pickup were.
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Originally Posted by aidandj
(Post 1183863)
I have the engine off the car, but the oil pan isn't off. I wanted to know how close the baffles/pickup were.
--Ian |
Am I missing something? Why not take the oil pan off the car, with the engine in the car? Like, i don't know, every other turbo build on any other car?
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Originally Posted by NBoost
(Post 1184477)
Am I missing something? Why not take the oil pan off the car, with the engine in the car? Like, i don't know, every other turbo build on any other car?
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I used a Christmas tree drill bit (Step drill bit) to drill mine. It was EXTREMELY EASY to drill. Then used a 1/2 NPT tap, all from Harbour Freight. This was when the engine was out of the car. I also somehow managed to drill in the wrong spot the first time... On the opposite side of the pan... Plugged it with a 1/2 NPT plug from Home Depot. Not a single drop has leaked. I am going to convert over to a -10 AN this winter however. I did use a dab of loctite on the threads, I thought it may prevent leaks.
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