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Old 12-25-2010, 01:22 AM   #21
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I was going to say, you either found your oil problem or created one. You are having issues with oil blowing out, aren't you? That's what I remember.
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Old 12-25-2010, 01:35 AM   #22
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Quote:
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I was going to say, you either found your oil problem or created one. You are having issues with oil blowing out, aren't you? That's what I remember.
I did but it was a problem with the baffle on the passenger side. I killed that port and all is well.
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Old 01-04-2011, 12:57 AM   #23
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I wondered about this as well just did a 1.8 swap with mazdaspeed turbo parts. The top plastic part of the 1.8's dipstick was broken off, I must of been too cold to compare the two. But the tube fit with a little caressing. Did the mazdaspeed cars have a seperate part #?
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Old 01-17-2014, 08:49 PM   #24
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NECRO!!!!

But, I'm currently struggling with this so I'm going the post the data I've found so far for posterity.

In my case, I just bought a 1995. The oil dipstick handle was, of course, broken. But in fine TX style, the handle had been replaced with epoxy and a 9mm shell casing. I'm not into that, so I purchased the correct dipstick for a 1995 1.8 -- part number BPE8-10-450.

Now, the engine in this car had been rebuilt about 3K miles ago with the PO complaining of excessive oil consumption. The engine is a 1995 block (has oil ports on driver's side) with 1999 head and IM (VICS). I "ASSUMED" that the 1995 block retained its dipstick tube and dipstick. But when I match up the new dipstick to the old, the new one is longer. "F" on the new one lines up with "E" on the old one. If the tube is the 1995 version, that means the PO ran severely overfilled. Could this be the reason for the oil consumption?

These are the part numbers from the Mazda part books:

Oil Dipsticks:
90-93: B61P-10-450C (Tube is B61P-10-440) (DIP STICK (B61P-10-450C) - $10.92 - B61P10450C)
94-97: BPE8-10-450 (Tube is BPE8-10-440) (DIP STICK (BPE8-10-450) - $18.24 - BPE810450)
99-05: BP4W-10-450 (Tube is BP4W-10-440A) (DIP STICK (BP4W-10-450) - $19.99 - BP4W10450)

Oil Pans:
90-93 (1.6)
94-00 (1.8 w/o MBSP)
01-05 (1.8 w/ MBSP)

So . . . anyone know how to visually identify the difference between the 94-97 vs. 99-05 tubes?

Incidentally, the 94-97 dipstick ("BPE8" on handle) is nearly a perfect match to the 90-93 dipstick ("B61P" on handle) on my 90. You could safely swap those in a pinch.
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Old 01-18-2014, 10:25 AM   #25
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Could this be the reason for the oil consumption?
Assuming that wasn't rhetorical, yes, it certainly is. You'll burn it off until it reaches about the correct level.


I know the newer dipsticks are longer; is it safe to assume the tubes are as well?
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Old 01-18-2014, 11:23 AM   #26
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The one from my '96 is longer than the one reading BP4W. Therefore the one for the BP4W requires more oil in the pan to read full. Yes, the full mark of the longer one is even with the low mark of the other.

Last edited by sixshooter; 01-18-2014 at 01:13 PM.
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Old 01-18-2014, 07:49 PM   #27
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Quote:
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I know the newer dipsticks are longer; is it safe to assume the tubes are as well?
Like sixshooter said, other way around. The 1.6 and early-1.8 dipsticks are longer. Late 1.8 dipsticks are shorter.

Since the 1.8 used the same oil pan until the '01 MBSP pans, I'm almost sure that the late 1.8 disptick tubes would need to be shorter to match the dipstick. My wild guess is that this might have been an "attempt" to keep the handles from breaking so often.
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Old 01-19-2014, 12:04 AM   #28
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Just stumbled on this for the first time today... Im kind of concerned. I have a bp4w with an NA8 oil pan, and a NA6 dipstick tube and dipstick. Im not sure whether that would read high or low at this point...

Anyone have some insight? It always seemed to read high, but with the NA8 pan im not so sure what to think.
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Old 01-19-2014, 12:38 AM   #29
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Put 4 quarts in an empty engine. Note level. Use that as your full level.

I usually put 5 quarts in mine for the track, but I'm not telling you to do it.
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Old 01-19-2014, 01:54 AM   #30
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Thats what I was going to do. Works out well since im changing oil tomorrow anyways.
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Old 01-19-2014, 09:31 PM   #31
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Gryff, I would expect the combination of parts you have to read just about perfectly. Sixshooter's 4 qt. test should confirm.
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Old 01-20-2014, 04:58 PM   #32
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Isn't it 4.5 quarts with a filter change?
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Old 01-20-2014, 05:51 PM   #33
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Fabulous, I just noticed last night the pan on the spare engine I picked is a BPE8 but it has the "California" braided wire dipstick. No clue on the tube, and its a mutt for parts

Any chance we can use this thread to start confirming and consolidating this info? Confirm the tube and stick PNs and measure the lengths? It would be nice to know what exactly is interchangeable.
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Old 01-20-2014, 07:41 PM   #34
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Quote:
Originally Posted by jacob300zx View Post
Isn't it 4.5 quarts with a filter change?
On my 1.6, it usually takes just shy of 4 quarts to get to full, including the filter change. Don't know about the 1.8. Works out pretty well, the gallon jug of Rotella usually gives me enough to keep proper levels until the next oil change.
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Old 01-20-2014, 07:44 PM   #35
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1. Empty oil pan
2. Add 4 quarts (Preferably motor oil)
3. Mark level on dipstick
4. Stop whining (lol)
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Old 01-21-2014, 04:42 PM   #36
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I drain and dump 4 quarts and monitor level from there.

I do actually have a bunch of dipsticks from various motors in the shop right now. I have a 1.6, a BP4W, and several BP6D sticks and tubes. Maybe if I'm feeling benevolent I'll measure a few of them this week.
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Old 01-21-2014, 08:02 PM   #37
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Quote:
Originally Posted by hornetball View Post
On my 1.6, it usually takes just shy of 4 quarts to get to full, including the filter change. Don't know about the 1.8. Works out pretty well, the gallon jug of Rotella usually gives me enough to keep proper levels until the next oil change.
^ The Gallon/3.XX quart jug of Rotella T6 adequately fills both my 1.6 and 1.8. Sometimes I have top off the 1.8, but I believe that's due to a leaky cam cover seal and/or CAS seal.

Just order cases of the stuff when its on sale on Amazon (since I refuse to Walmart). The correct answer is Rotella T6.

-Zach
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