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Old 05-15-2019, 11:53 AM   #26
culberro
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Quote:
Originally Posted by dbarton View Post
One step forward, one step back.
Looking through my parts I had this short filter nipple. It's 1 inch long, which is not long enough. It's long enough to engage the threads on the new spin-on, but I can only get about 1/2 turn. That dish and the threads beginning so deep in the block means a longer nipple is needed.

I've ordered one that's 1.25 inches long. Might work. I'd like one longer than that, but I can't find one longer than 1.25 inch. Doesn't seem to exist.

-8 AN is 3/4-16, so in theory I could use a -8 male to male coupler, but that just seems wrong.

Does anyone know how long an original Volvo B21/B23 non-turbo nipple is?

If desperation sets in, I guess I can order this 3 inch long VW nipple for $25 and cut it down

.
I used a -8 JIC bulkhead, and then cut it down a bit. It was $3 at the local hydraulic shop, and it comes with a hex for easy installation and removal

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Old 05-15-2019, 12:21 PM   #27
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The non-turbo nipple is 1-5/8" long. It's the same one used on B18/B20/B30 engines.
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Old 05-15-2019, 12:31 PM   #28
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Quote:
Originally Posted by culberro View Post
I used a -8 JIC bulkhead, and then cut it down a bit. It was $3 at the local hydraulic shop, and it comes with a hex for easy installation and removal


Thank you. Sounds like a good solution. Ordering one right now from Grainger: EATON AEROQUIP 2041-8-8S Male JIC to Male JIC Bulkhead Hydraulic Hose Adapter 3/4-16.
Dave
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Old 05-15-2019, 01:45 PM   #29
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Quote:
Originally Posted by hiperfauto View Post
The non-turbo nipple is 1-5/8" long. It's the same one used on B18/B20/B30 engines.
Thanks. Too bad that length is so hard to find.
Dave
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Old 05-15-2019, 01:52 PM   #30
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I can send you one for the cost of shipping. I just pulled one out of a B18 that had a hole in the side of the block. It came out of this car.

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Old 05-15-2019, 05:29 PM   #31
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Quote:
Originally Posted by hiperfauto View Post
I can send you one for the cost of shipping. I just pulled one out of a B18 that had a hole in the side of the block. It came out of this car.
Let wait until I see what the one I ordered looks like in there. I don't want to take it unless I'll use it for sure.
Thanks, Dave
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Old 05-16-2019, 08:01 AM   #32
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I have the same derale adapter (though the npt version) with the 1.25" nipple. I would call it adequate enough thread engagement.

On the derale adapter, did you put any gasket type stuff between the nipple nut and housing?
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Old 05-16-2019, 09:36 AM   #33
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Quote:
Originally Posted by jlfenton95 View Post
I have the same derale adapter (though the npt version) with the 1.25" nipple. I would call it adequate enough thread engagement.

On the derale adapter, did you put any gasket type stuff between the nipple nut and housing?
Thanks.

No, I have not used any sealant in this housing.
Dave
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Old 05-16-2019, 10:04 AM   #34
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I thought I would add this here for those using the stock Volvo turbo (Setrab) oil cooler instead of the RX7 oil cooler.

Thank you to hiperfauto for this info.

The male ports on the stock Volvo oil cooler shown below are 1/2 BSP Male.
If you'll be using -8 AN hose, you would need two adapters with the following thread: 1/2 BSP Female to -8 AN Male.
Available here and probably other places: https://www.pegasusautoracing.com/pr...SAAEgLTU_D_BwE
Dave
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Last edited by dbarton; 05-16-2019 at 11:50 AM..
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Old 05-16-2019, 10:53 AM   #35
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I used the non turbo nipple and it worked great for the spin on adapter.
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Old 05-16-2019, 02:24 PM   #36
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Quote:
Originally Posted by jlfenton95 View Post
I have the same derale adapter (though the npt version) with the 1.25" nipple. I would call it adequate enough thread engagement.
The 1.25 inch nipple arrived today and I just tried it. I got 5 turns before is was tight. I think that works just fine.
Dave
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File Type: jpg Derale-spin-on7med.jpg (88.6 KB, 119 views)

Last edited by dbarton; 05-19-2019 at 09:22 AM..
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Old 05-16-2019, 02:26 PM   #37
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Oetiker clamps on AN -8.
This size: 0.75 inch.
Oetiker clamps (AKA: Pinch Clamps) are not required on Aeroquip Socketless (push-on) type hose ends, however many experienced people will tell you it's a very good option. Check YouTube for installation and removal techniques.
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Last edited by dbarton; 05-20-2019 at 07:32 AM..
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Old 05-16-2019, 02:30 PM   #38
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And because I have a hard time leaving well-enough alone, and because I have had these types of fittings vibrate loose when connected directly to this el-vibro-B21FT . . . TWICE . . .
I added some heat-shrink to give me peace of mind the next time I take a 4k mile round trip to a Volvo meet.
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Old 05-19-2019, 09:28 AM   #39
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Make sure you use something to isolate the hoses if there is a chance of rubbing anywhere. Vibration and rubbing can easily rub a hole in a hose over time. That's some rubber I had in my toolbox.
Dave
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Old 05-19-2019, 11:00 AM   #40
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On the RX7 oil cooler, I found since I had it tucked up very close to sheet metal above it, I didn't have room for a normal AN -8 fitting coming straight up out of the top. Unless of course I wanted to butcher the sheet metal.

So I added An 18 mm banjo fitting with 3/8 inch NPT threads that I found in my parts tub. It uses the bonded sealing washers mentioned previously.

Then I added a -8 AN Male to 3/8 inch NPT adapter and then the -8 90 degree hose end.
https://www.summitracing.com/parts/aer-fbm5007
https://www.summitracing.com/parts/aer-fbl1533
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Old 05-19-2019, 11:07 AM   #41
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Plumbing is complete.

The bottom pic is peeking under the front spoiler. The bottom of the plumbing is about 2 inch above the level of the bottom of the spoiler.

The fittings on the oil filter mount are 45 degree.
https://www.summitracing.com/parts/aer-fbl1523
Dave
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Old 05-19-2019, 11:09 AM   #42
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Here's a pic with the belly pan in place. It's carved up a bit to *make* it fit. Better to have one than not.
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Old 05-19-2019, 11:23 AM   #43
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After letting it idle up to operating temperature, I DID FIND A LEAK.

The threads are seeping oil at the THERMOSTAT HOUSING when it gets hot and thin. Maybe enough for a drip in 15 minutes. That bugs me and I'll be addressing that.

I used Locktite 592 liquid thread sealer in there. https://www.all-spec.com/Catalog/Adh...s/209761-30769
I would not have expected to see a leak there. There are no other leaks that I can find anywhere else yet.

Is there a better sealer to use?

EDIT: The instructions for installing those 3/8 inch fittings is to torque them to 15 lbs, which I did.
Dave
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Last edited by dbarton; 05-20-2019 at 07:33 AM..
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Old 05-19-2019, 12:19 PM   #44
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That blue Aeroquip fitting is aN ORB fitting; it uses an o ring between the fitting and threaded hole...which has been machined to accept the o ring... and not a sealing washer/statoseal/bonded washer.
https://phenixindustries.com/product...ings-straight/
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Old 05-19-2019, 12:20 PM   #45
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First class as usual.
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Old 05-19-2019, 12:21 PM   #46
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The thermostat holes, where it’s leaking , are pipe threads?
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Old 05-19-2019, 01:24 PM   #47
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Quote:
Originally Posted by 11BC2 View Post
That blue Aeroquip fitting is aN ORB fitting; it uses an o ring between the fitting and threaded hole...which has been machined to accept the o ring... and not a sealing washer/statoseal/bonded washer.
https://phenixindustries.com/product...ings-straight/
An RX7 18 mm port does not accept an o-ring. So using an o-ring there is out. And I am no longer using the blue fitting. It does seal, however, with the sealing washer used. If anyone has a source for a better fitting, please add it.
Dave

Last edited by dbarton; 05-20-2019 at 07:35 AM..
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Old 05-19-2019, 01:25 PM   #48
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The thermostat holes, where it’s leaking , are pipe threads?

Yes, pretty much all of these thermostat sandwich housings have pipe threads.
Dave
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Old 05-19-2019, 02:12 PM   #49
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Strange that it’s leaking. We use MOCAL and GRex t stat adaptors in non pipe thread versions.
In applications that have limited ground clearance, we use the MOCAL in line t stat with male AN connections.
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Old Yesterday, 07:24 PM   #50
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I ordered a new thermostatic adapter and put new fittings in. Used Permatex liquid teflon this time. No leaks. This project is done.

On to the next item on my list. Installing a new AEM wide band to replace the failed Innovate.
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