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 Oil Pan - Learn for my mistakes

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karmatose
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karmatose

Name : Eric
Location : Ontario
Joined : 2010-06-07
Post Count : 17
Merit : 2

Oil Pan - Learn for my mistakes Empty
PostSubject: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyTue Aug 24, 2010 2:26 pm

So, had to replace the oil pan/gasket on my Riv. Went to my part store and there were several options.

Oil Pans:
SPECTRA PREMIUM Part # GMP11B
SPECTRA PREMIUM Part # GMP24B

Gaskets:
FEL-PRO Part # OS30767R (2nd revision, with a windage tray)
FEL-PRO Part # OS30522T (1st Revision, no windage tray)

Anyway, I ended up buying GMP24B and OS30767R. Those two parts don't go together. If you get the oil pan GMP24B, get OS30522T gasket. OS30767R does not fit on GMP24B. Or better yet, get GMP11B because the 2nd revision gasket is much better design.

Hopes this helps someone.
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Eldo
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Eldo

Name : Mark
Age : 55
Location : West Salem, Oregon... FINALLY
Joined : 2009-04-09
Post Count : 3058
Merit : 103

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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyWed Aug 25, 2010 5:41 pm

Thanks for the info. Could you tell us what the difference in the pans is, like does one pan have a windage tray built in?
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karmatose
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karmatose

Name : Eric
Location : Ontario
Joined : 2010-06-07
Post Count : 17
Merit : 2

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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyThu Aug 26, 2010 12:42 am

GMP24B has a windage tray built into the pan. GMP11B doesn't. GMP11B is a much better design . Better return and distribution with the windage tray on the gasket.
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Eldo
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Eldo

Name : Mark
Age : 55
Location : West Salem, Oregon... FINALLY
Joined : 2009-04-09
Post Count : 3058
Merit : 103

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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyThu Aug 26, 2010 7:59 pm

Hmmm... Interesting.
I should have thought that a 'real' windage tray with the simple gasket would be preferable.
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albertj
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albertj

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Location : Finger Lakes of New York State
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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyThu Aug 26, 2010 8:54 pm

Eldo wrote:
Hmmm... Interesting.
I should have thought that a 'real' windage tray with the simple gasket would be preferable.

my guess is it was cheaper to make a plain bedpan - er - oil sump pan with the windage tray part of the molded gasket than to make the sump with the tray.

And maybe there is a design reason too. I'll have to get a look at that pan and gasket some time.

but those are only guesses...

Albertj
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karmatose
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karmatose

Name : Eric
Location : Ontario
Joined : 2010-06-07
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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyThu Aug 26, 2010 9:41 pm

The 2nd revision gasket has additional "slots" in tray portion of it. The pan with the windage tray built into it is pretty much solid with a cut away for the sump. It's for sure cheaper to manufacture it as a part of the gasket because well, the tray portion on the 2nd revision is plastic vs. metal on the 1st revision pan.

I may be wrong, but wouldn't it be preferable to have the oil drain back beyond the windage tray back to the sump for recirculation vs. collecting on the windage tray with a very narrow area to drain to the bottom?

Anyway, I'm going to install the pan this weekend. I'll take a photo of the innards of it before I do.
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albertj
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albertj

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Location : Finger Lakes of New York State
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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyFri Aug 27, 2010 12:00 am

karmatose wrote:
The 2nd revision gasket has additional "slots" in tray portion of it. The pan with the windage tray built into it is pretty much solid with a cut away for the sump. It's for sure cheaper to manufacture it as a part of the gasket because well, the tray portion on the 2nd revision is plastic vs. metal on the 1st revision pan.

I may be wrong, but wouldn't it be preferable to have the oil drain back beyond the windage tray back to the sump for recirculation vs. collecting on the windage tray with a very narrow area to drain to the bottom?

Anyway, I'm going to install the pan this weekend. I'll take a photo of the innards of it before I do.

My guess is the 2nd revision gasket likely does a better job keeping the oil near the pickup. Due to the slots in the tray. Lets the oil drain down quicker and adequately keeps it from sloshing up when you are carving those tight corners and what-not.

Albertj
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Eldo
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Eldo

Name : Mark
Age : 55
Location : West Salem, Oregon... FINALLY
Joined : 2009-04-09
Post Count : 3058
Merit : 103

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PostSubject: Re: Oil Pan - Learn for my mistakes   Oil Pan - Learn for my mistakes EmptyFri Aug 27, 2010 12:48 am

karmatose wrote:
...the pan with the windage tray built into it is pretty much solid with a cut away for the sump.
...I may be wrong, but wouldn't it be preferable to have the oil drain back beyond the windage tray back to the sump for recirculation vs. collecting on the windage tray with a very narrow area to drain to the bottom?

... I'll take a photo of the innards of it before I do.

Well mainly, a windage tray is supposed to keep the oil from getting stirred up by the crankshaft in the first place... Having said that, yes, it should drain back fairly quickly. For maintenance, a built-in tray is preferable to an expensive, disposable tray/gasket...

Definitely looking forward to the photos. thumbsup
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