Clogged drainbacks

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Mar 29, 2013 | 02:12 PM

MHDtr33

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From: Austin, TX

Clogged drainbacks

I just replaced the valve seals in my 360 and, of course, found the petrified remnants of the old seals floating around. There were only 2 that came off whole, most of the rest of them must in the pan by now and/or clogging up my drains. I cleaned out the drains as best I could, but I could only get a pick 3-4 inches down the hole to fish out pieces. I know the right rear is still clogged, because I could see it not draining, but I crossed my fingers that it would wash itself out and put it back together. Smokes worse than ever.

Any ideas for something I can use to get further down the drains to clean them out, or am I missing something?

Mar 31, 2013 | 07:18 AM

montana_highboy

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From: Big Sky Country

Try a hand held vacuum pump, or a mighty vac.

Mar 31, 2013 | 08:33 AM

MHDtr33

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From: Austin, TX

Yeah, I'm an idiot. Just had to pull the head bolt that mostly blocks that drain back. Got it draining again. Thanks.

Mar 31, 2013 | 09:24 AM

bertha66

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Joined: Oct 2004

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From: Central Oregon

Are planning to pull the oil pan? All those pieces that you miss like to gather around the oil pump pick up screen and cause hate and discontint.

Mar 31, 2013 | 10:17 AM

MHDtr33

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From: Austin, TX

Yep, that's next. There has to be a huge pile of that crap in there.

Mar 31, 2013 | 10:21 AM

bertha66

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From: Central Oregon

That's good,

Apr 16, 2013 | 04:17 PM

jmf66

Tuned

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From: Near Nashille, TN

I was cleanning the crud out of my oil pan and found this along with the #8 piston skirt! Looks to be a baffle that came loose(?) I guess that explains the low compression on #8 and excessive blow-by.

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Apr 17, 2013 | 03:09 PM

jmf66

Tuned

Joined: Feb 2009

Posts: 370

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From: Near Nashille, TN

Yes, it looks to be a baffle that was spot welded to the pan. I'm not familar to which engines used a baffle in the oil pan. The best I can tell, it's a 68 390 engine that was in my '66 F100 when I purchased it.