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Old 06-14-2010, 06:49 PM   #1
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Default bolt size for stock oil return

I'm outside my house right now with my car all jacked up and I'm tapping the pan. I have a greddy so the oil return is routed all the way to the stock return hole. What size bolt to seal it? I searched, but couldn't find anything. Maybe my searching skill is crap.
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Old 06-14-2010, 07:12 PM   #2
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The stock oil return (on the intake side of the 1.6 blocks) is not threaded- it is a nipple fitting which requires a rubber cap to cover it. I can't recall the size, but the Mazda P/N is B660-10-328 "Cover, Blind-Cyl, Block" and it uses P/N R230-15-538 "Clamp, Hose" to retain it.

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Old 06-14-2010, 08:02 PM   #3
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Thanks, it looks like its a pain to reach in there. -.-
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Old 06-14-2010, 08:32 PM   #4
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Thank god for tapping the pan and not using the stock return.
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Old 06-14-2010, 09:31 PM   #5
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Quote:
Originally Posted by caideN View Post
Thanks, it looks like its a pain to reach in there. -.-
It is nearly as unpleasant as getting aids from a grizzly bear.
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Old 06-14-2010, 09:33 PM   #6
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It is nearly as unpleasant as getting aids from a grizzly bear.
Or having your herpes ate by hustler's crabs...
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Old 06-18-2010, 05:12 PM   #7
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Is there a ghetto way to do this? How big is the plug anyways? Someone said 5/8"? I want to go to autozone or kragen and pick something up to cap/plug it. It's $8 at the dealers lol. f that.
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Old 06-18-2010, 07:36 PM   #8
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Good luck trying to find one that size in your run of the mill auto parts store. Pay the 8 bucks, install, drive car and love life!
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Old 06-19-2010, 05:47 AM   #9
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Found one. For anyone that ever search about the oil drain plug; the size that fits is 5/8" rubber hose/cap.
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