BBC oil filter leaking - PICS - Chevelle Tech
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post #1 of 36 (permalink) Old Aug 4th, 13, 6:19 PM Thread Starter
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BBC oil filter leaking - PICS

oil is dripping past the filter. I have a brand new dart block. Everything looks clean as a whistle from underneath. it just started last week. I had a fram hp4 1 week old. swapped it out for a new wix filter. still leaks. just removed the filter adapter. old one has no bypass hole. new one has a bypass. Its spring loaded. Is having this a problem or what? I don't know what the difference really is. Also, old adapter had a gasket on the bottom. I found a gasket in a box of stuff I have and it looks like this might be the gasket for this but im not sure. It sticks out pretty far. the threads were a little marred on the old adapter but the filter was appearing to be tight. is the new adapter I have ok to use. do i use that gasket or is no gasket needed? this is on a 540 making some real power.






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post #2 of 36 (permalink) Old Aug 4th, 13, 7:33 PM
dt
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Re: BBC oil filter leaking - PICS

From the pics, the old adapter looks like the threads are chewed up ?? If they are good, I would install the old one back using permatex. Is the leak coming from the male threads or the adapter itself??

Here's one from Summit:
http://www.summitracing.com/parts/sme-2015/overview/

Last edited by dt; Aug 4th, 13 at 7:41 PM. Reason: added link
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post #3 of 36 (permalink) Old Aug 4th, 13, 7:46 PM
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Re: BBC oil filter leaking - PICS

That gasket does not appear to be right for your non-bypass adaptor. If your going to use the factory adaptor, it does not need a gasket. If it were me, I'd try a new non-bypass adaptor.
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post #4 of 36 (permalink) Old Aug 4th, 13, 8:55 PM
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Re: BBC oil filter leaking - PICS

What does the oil leak have to do with either of the adapters? They are inside the seal on the filter which I assume is the source of the leak.

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post #5 of 36 (permalink) Old Aug 4th, 13, 8:55 PM
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Re: BBC oil filter leaking - PICS

put the new (actually the proper stock style) adapter on with no gasket, just like GM did with millions and millions of engines starting in 1956 when they added the oil filter to the small block..

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post #6 of 36 (permalink) Old Aug 4th, 13, 10:13 PM Thread Starter
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Re: BBC oil filter leaking - PICS

ok so I called my engine guy he suggested I use the new one with the bypass but run a plug in it. I pulled the spring assembly out but then decided I didn't like that idea of running a tap and plgging it incase it cracked or came apart. I would probably be fine but I got cold feet on that idea. so I put the old one back in without the gasket (it looked torn) and when I used the bolts it was using before it wouldn't get tight and jiggled around so I then put lock washers on the bolts (felt kind of iffy doing that) but I tried it. I took it for a drive and the leak from the filter slowed way down. but I did still see a drip on the bottom of the filter just now. my concern was the old adapters threads were maybe causing the filter to not screw on perfectly level. and then the question of do I need gaskets on the bottom or not became the next thing to figure out. I think I might just buy a new non bypass adapter. engine builder said the bypass isn't made for racing but I dunno. I think a new part might solve my troubles.
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post #7 of 36 (permalink) Old Aug 4th, 13, 11:12 PM
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Re: BBC oil filter leaking - PICS

Get yourself the Moroso 23775-

And I would agree with not tapping the OEM piece amd that you do not want a bypass style mount. I like ALL the oil going thru the filter! You have lots of money into your engine, you can take the time to warm everything up to proper temps before pounding on it.

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post #8 of 36 (permalink) Old Aug 5th, 13, 1:00 AM Thread Starter
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Re: BBC oil filter leaking - PICS

i'll see if the local speedshop has one in stock tomorrow, if not ill order it up
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post #9 of 36 (permalink) Old Aug 5th, 13, 3:04 AM
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Re: BBC oil filter leaking - PICS

I have ran a tapped and plugged oem adapter for years used a 1/4" npt tap and plug. You have to tap it deep enough so th plug dont stop the filter from sealing on the block.
Has a new Moroso I ordered last time I freshened the engine but it was backorded so to plugged oem went on instead.

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post #10 of 36 (permalink) Old Aug 5th, 13, 9:09 AM Thread Starter
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Re: BBC oil filter leaking - PICS

well I checked under it this morning and theres a good sized puddle on the ground again. something has got to be up with the adapter I have on there now causing the filter to not seal properly I guess. guna see if I can come up with something else locally today
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post #11 of 36 (permalink) Old Aug 5th, 13, 9:30 AM
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Re: BBC oil filter leaking - PICS

Have you checked to see if the old filter gasket/seal is stuck to the block?
Not talking about an adapter gasket/seal but the one that's on the filter.
Sounds like you might have 2 on there.

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post #12 of 36 (permalink) Old Aug 5th, 13, 9:54 AM
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Re: BBC oil filter leaking - PICS

Quote:
Originally Posted by BlackNova View Post
well I checked under it this morning and theres a good sized puddle on the ground again. something has got to be up with the adapter I have on there now causing the filter to not seal properly I guess. guna see if I can come up with something else locally today

The only thing I cam think of is you are running out of threads before you are getting a good seal on the oil filter o ring. or even possibly the wrong filter. Have you taken the oring off the filter to match up to the block itself? It is completely plausable that Dart might have screwed the pooch on the oil filter mating surface,

Couple of junkers and a few clunkers.
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post #13 of 36 (permalink) Old Aug 5th, 13, 2:36 PM Thread Starter
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Re: BBC oil filter leaking - PICS

I definitely do not have 2 orings from the filters on there. I had the car on jacks and literally stared at the underneath for 10 minutes wondering what the heck is going on. No local speedshops have an adapter in stock that is non bypass so I need to order one. im tempted today since im home from work early to tap the other one I have for now and see if it atleast works. That way I know that its my old adapter for sure giving me trouble. And I can just swap the new one in when I get it. it didn't leak until last week so I don't think its the blocks fault. Im using a fram HP4 filter and now I have a new Wix filter on it. Does anyone see a problem with using lock washers on the two bolts holding the adapter in. Its like the supplied bolts are a touch too long and wont let the adapter get tight enough. I'll tap the one I have and ive it a whirl and post back with results.

Ill take a few more pics to show what im using and what everything looks like
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post #14 of 36 (permalink) Old Aug 5th, 13, 3:32 PM Thread Starter
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Re: BBC oil filter leaking - PICS

I tried to get a decent pic under there, this was the best I could get. the o-ring on the dilter is just around the edge of the metal. hard to see in the pic I think but maybe you can.



there are the filters im working with both are pretty much brand new and been off and on several times

[/URL]



heading to hardware store now for a tap and plug we'll see what happens
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post #15 of 36 (permalink) Old Aug 5th, 13, 4:27 PM Thread Starter
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Re: BBC oil filter leaking - PICS

just wasted 9 dollars lol. I didn't tap for the plug enough the first time so ran the tap deeper and now the plug is not snugging up. im ordering the one from summit now before I bust out the jb weld or Teflon tape and waiting til it gets here.

called summit, moroso will be here tomorrow
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