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hotrod56cars

  • Karma: +1/-8
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #25 on: May 16, 2008, 07:40:22 PM »
It's not that at all Rod, it's the fact that Milodon pans on BBFs in jet boats are known to cause the type of oiling problems EW is describing.

Got it. Thank you.  :)
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NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #26 on: May 17, 2008, 04:37:16 AM »
The pressure is being taken off the rear of the motor.  The oil filter is a half size K&N filter.  The long filters hit the frame rail.  These filters have caused no issue since I bought the boat in 1978.

I did change the filter, pulled the engine and verified the pick up gap which I thought was the issue.  It was short.

I called Milodon and They said to take two quarts out.  That will verify pump or windage.  He's guessing pump, wonder why..... 

We'll see what happens next weekend with the new gauge and two quarts out.

On the oil pressure down due to the pressure relief not opening.
That came from an engineer who said the pressure build up causing the cavitation would kill the pressure.  Back off the pressure end the cavitation and the pressure returns.  I didn't come up with that.  He's a college boy engineer here at work,  they're allways right  ;D

If it still drops with the two quarts out I plan on changing the pump Saturday night and going back out Sunday afternoon.  I'll take pictures of the baffeling and check the pickup tube, gaskets etc for signs of leakage. 

 If it drops again I'm calling milodon back.

It's a good thing these engines are easy to pull!

PS, I'm not worried about hurting the engine,  It doesn't go under 20psi and I don't keep the rpms where the oil pressure drops.   I'm just breaking in the engine slower which is better anyway.

I enjoy working on the boat so this isn't a big headache, it's a hobby.   I just want it right.







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crewchief22

  • Karma: +66/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #27 on: May 17, 2008, 07:40:21 AM »
Is it possible that you have a restriction in the oil return that would allow the Melling HV (high volume) oil pump to evacuate the pan at higher RPM?  I'm not familliar enough with the BBF block to know if this could be an issue.

If you change the pump, what will you replace it with?

Just a couple questions that I have not seen addressed yet.
  • Boat #1: '77 Hondo Pantera GT Jet
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"Racing is life!  Anything that happens before or after, is just waiting"    Steve McQueen

The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?

electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #28 on: May 17, 2008, 08:47:19 AM »
I ordered a Ford Racing, High Vol. pump.   I have another motor that I plan on building this winter, I'll use the other pump on that one if it's ok.

If this turns into a  "it's not my problem it's theirs" type game with Milodon I'll probably pull the pan and pump off the motor I took out and use them till this is resolved.  It's a stock front sump pan with baffle and milodon HV pump.

It's hard to believe a stock pan has no problems but this off shore racing type pan does.  Go figure!



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gregb

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #29 on: May 17, 2008, 09:34:14 PM »
It's more amazing that a front sump pan didn't give you any problems in a jet boat. 
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ryanbrindle

  • Karma: +2/-8
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #30 on: May 17, 2008, 09:36:22 PM »
It's more amazing that a front sump pan didn't give you any problems in a jet boat. 

I have ran and still running a front sump pan for 2 years now and have never ever ever had any problems with oiling, ever.  Everyone thinks they need a high volume pump when in most cases its not needed at all.
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #31 on: May 18, 2008, 05:16:12 AM »
I better not have a problem with a front sump pan... I can't use a rear sump.  I wish I could but the jet intake angle prevents that.

Does anyone have any pictures of the inside of any other marine brand oil pans??  That would give me an idea of what to look for.

This thing has a windage tray in it.  Do you think I need to make that wider?  Longer?  Angle the sides of the windage tray downward?  That's where the pictures would be a big help.

I can do just about anything to the pan.  We have quite a machine & metal shop here at the plant.



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Ralph Brunt

  • Karma: +51/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #32 on: May 18, 2008, 06:03:29 AM »
Armondo's pan




hope this helps
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #33 on: May 18, 2008, 06:17:28 AM »
Boy I'll say it should help.   There is a very big differance isn't there!
If this thing doesn't work Friday I'll be doing some extensive modifications.

It seems like Armondo places a great deal of emphasis on the right side of the pan as well as a total box of the oil.

Thank you very very much!
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #34 on: May 18, 2008, 06:20:35 AM »
I guess I should ask if anyone has one of these pans for sale and how much.....

I could just dump mine.   It looks like a complete rebuild to fix mine!
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Ralph Brunt

  • Karma: +51/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #35 on: May 18, 2008, 06:41:07 AM »
I guess I should ask if anyone has one of these pans for sale and how much.....

I could just dump mine.   It looks like a complete rebuild to fix mine!
never seen a used Armondo's, new they are like 350ish
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
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They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #36 on: May 18, 2008, 08:37:33 AM »
I got to thinking about this...why modify before trying to return the parts!
I sent summit racing an e mail about the issue and asked them if they would
take the pan and pick up back.

Now we'll see if they are really concerned about customer appreciation
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #37 on: May 18, 2008, 08:42:01 AM »
Are the armondo's only sold by them or are they sold by retailers?
I found his website and they are $399.   I don't know if that includes the pick up or not.
The website isn't very informative.
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hotrod56cars

  • Karma: +1/-8
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #38 on: May 18, 2008, 08:51:20 AM »
Armondo's pan

Damn nice oil pan right there!  :o
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NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

The Chaz

  • Karma: +5/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #39 on: May 18, 2008, 10:59:10 AM »
Are the armondo's only sold by them or are they sold by retailers?
I found his website and they are $399.   I don't know if that includes the pick up or not.
The website isn't very informative.

This is a response to an e-mail I sent them.

The Jet Oil Pan comes with 4 trap doors, windage tray with scrapers, pickup
 
We are now at our new location,
 
Armando’s Racing Oil Pans
15476 Montana Ave
EL Paso, Texas 79938
                     (915)849-7622
 
 
 
 
If you have any questions or concerns please, contact me.

Thank you,

Armando Rodriguez
Armando's Racing Oil Pans
Phone: (915)894-7622
Fax: (915)894-7622
Cell: (323)422-0145 
E-mail: aroilpans@aol.com
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LakesOnly

  • Karma: +15/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #40 on: May 18, 2008, 12:29:30 PM »
If this turns into a  "it's not my problem it's theirs" type game with Milodon I'll probably pull the pan and pump off the motor I took out and use them till this is resolved.

It's hard to believe a stock pan has no problems but this off shore racing type pan does. 
electrowoman,

I don't think it's right to assume that "one size fits all" when it comes to high performance or aftermarket parts.  These situations are not uncommon in many areas and not just oil pans.  For example, an engine build that uses a main girdle with a stock oil pump may encounter pump-to-girdle clearance issues.  Or, a high compression roller cammed engine may encounter piston-to-valve clearance issues.  Every custom engine build is different and therefore each aftermarket component available may not (cannot possibly) be optimized for every build out there.  It is sometimes up to the owner/engine builder to "tweak to fit."  Indeed, oil pans are very tricky business and understanding what is ocurring inside the running engine is not always obvious or comes intuitively.

Most jet boat motor builds work with the Milodon pan as-delivered right out of the box, and some do not...just like many other aftermarket parts that are available for high performance engines.  The aftermarket performance part manufacturers cannot possibly know each and every combo to which their component may be applied.  Conversely, the Big Three in Detroit will spend untold amounts on R&D, making sure that their intended parts work in that particular engine combo, which will be the exact same combo for 100,000 builds in a row.

Don't fault Milodon.  I have known their pan/windage try combo to go through a few changes over its life, and for the better.  They are good about improving product and they have excellent customer service.  And...it just so happens that their oil pan is an older design relative to what is available these days.  Indeed, Armando seems to have designed an oil pan that is pretty thoroughly sorted for the application and that's why I recommended it to you on two different Forums.  But someone somewhere will eventually try to make use of that pan in a combo where it just won't work as delivered...but it still has been very well proven thus far as a broad application jet boat pan and mostly in builds just like yours they work excellently.

LO
« Last Edit: May 18, 2008, 12:35:26 PM by LakesOnly »
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LakesOnly

  • Karma: +15/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #41 on: May 18, 2008, 12:38:15 PM »
There is a very big differance isn't there! If this thing doesn't work Friday I'll be doing some extensive modifications.

It seems like Armondo places a great deal of emphasis on the right side of the pan as well as a total box of the oil.
I think you mean that "left" side, or drivers side of the pan.  Your Milodon pan will need to be modified in a different fashion.

LO
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #42 on: May 21, 2008, 05:55:59 AM »
This just keeps getting better and better  :screwy:

I put in the mechanical oil pressure gauge to be ready for Friday's run..... well.    I put a T at the rear of the engine.  One side went to the electrical sender the other to the oil line.

Simple enough.   Started the engine to check for leaks and NO OIL PRESSURE.

The electric gauge jumped right to 75 psi but nothing on the mechanical.

I took the line off the gauge cranked the engine and no oil.....  I pulled the line off the T and looked right up the line, it wasn't pinched from being tightened to much.

I looked in the gauge end, same thing...  :banghead:

Sooooo now this isn't possible....  I took the line and gauge to the air compressor.... nope no air!

The oil line had a blem about 3 feet up the hose, it wasn't smashed it was just a tad different feel.

Since the hose didn't work any way I cut that part out for a look see.   It just wasn't open!

Factory defect, seems to be an epidemic!

So I had another hose in the tool box and now we're ready for Friday    ;D
« Last Edit: May 21, 2008, 10:42:30 AM by electrowoman »
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #43 on: May 21, 2008, 01:33:42 PM »
Well, I do have a wonderful wife!   I explained what was going on with the oil pan and the modifications it may need  ;D    I also told her about the other brand pan, she stopped me in mid
sentence and told me to get one  ;D

I love that lady, I called Armondo and he's going to build me one and send it hopefully to be here next
weekend.

Anybody interested in a very slightly used Milodon 10 quart marine pan with windage tray......
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #44 on: May 23, 2008, 04:48:01 PM »
I wanted to give you fellows an update on what's happening with the Milodon pan and Summit Racing.

Summit's tech guy said   "put on the stock oil pump".

Milodon said    "take two quarts of oil out"   it's probably the oil pump bypass.   Now, what the hell does taking two quarts of oil out have to do with the oil pump bypass ???

Jerks!

They say the oil is foaming and it's the motor's fault.  I said there is NO sign of foaming just loss of pressure.
I told them I ordered another pan to end the debate. 
I asked them if they would take it back if the pressure doesn't drop when I install the Armondo's pan.
We'll see what response that brings.

Seems they only want your money, they don't care if the parts actually perform as advertised.
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OC2Vegas

  • Karma: +12/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #45 on: May 23, 2008, 05:43:34 PM »
I wanted to give you fellows an update on what's happening with the Milodon pan and Summit Racing.

Summit's tech guy said   "put on the stock oil pump".

Milodon said    "take two quarts of oil out"   it's probably the oil pump bypass.   Now, what the hell does taking two quarts of oil out have to do with the oil pump bypass ???

Jerks!

They say the oil is foaming and it's the motor's fault.  I said there is NO sign of foaming just loss of pressure.
I told them I ordered another pan to end the debate. 
I asked them if they would take it back if the pressure doesn't drop when I install the Armondo's pan.
We'll see what response that brings.

Seems they only want your money, they don't care if the parts actually perform as advertised.


They are a retailer not a manufactuer, they dont have to care if the products they selll work or not!

No really, customer service, customer is right, make the customer happy no matter what is not the majority anymore. You will not find it at the majority of retailers anymore.

Buy it from Jet Boat Performance!
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electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #46 on: May 23, 2008, 07:35:37 PM »
I agree with you, keeping the customer satisfied is so rare anymore.  Now it's, pay me
and shut up.

We need to find out who is determined to keep the customer satisfied and patronize them
when ever possible!

If this pan does work and the pressure doesn't drop that proves the pan was the issue.  No if ands or butts.   Then the ball is in their court.

If they do what I expect, NOTHING I may ask armondo if he would modify the pan to his specs.

I believe the basic shape is the same on both.

They were really nice people to talk to.  If it's cost effective I would have a spare pan as opposed to a junk box.

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speedymopars

  • Karma: +6/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #47 on: May 23, 2008, 07:53:37 PM »
I wanted to give you fellows an update on what's happening with the Milodon pan and Summit Racing.

Summit's tech guy said   "put on the stock oil pump".

Milodon said    "take two quarts of oil out"   it's probably the oil pump bypass.   Now, what the hell does taking two quarts of oil out have to do with the oil pump bypass ???

Jerks!

They say the oil is foaming and it's the motor's fault.  I said there is NO sign of foaming just loss of pressure.
I told them I ordered another pan to end the debate. 
I asked them if they would take it back if the pressure doesn't drop when I install the Armondo's pan.
We'll see what response that brings.

Seems they only want your money, they don't care if the parts actually perform as advertised.



There are really two reasons for no pressure at higher RPM's, the pump bypass is open, or you are out of oil.

Bypass open - if the pressure gets too great, as will happen with a lot of flow and always at the upper RPM's, the bypass is supposed to open up and let the pressure go out. If the bypass sticks in the open position, then you will have no pressure until the bypass closes. Normally it opens and closes to keep the pressure consistant.

No oil - If you are using the stock type pickup, those are pretty convoluted on a BBF. If you have a leak in any section including the pump, as soon as you start putting oil on the top of the motor and the pan is no longer completely full of oil, any leaks will cause the pump to suck air as soon as the oil level falls, even if there are several quarts of oil in the pan. You check this by over filling the pan by a few quarts and seeing if you have the same problem at the same RPM.

The other issue could be how it returns. Much like in the olds, where the issue is the oil doesn't return to the pan, if your pan is not allowing the oil to reach the pickup area expediantly, then the pan is full of oil, while the pickup area is uncovered. I don't know if the milodon pan has baffels, but if not, then this isn't your problem.

Another issue could be the depth of the pickup. Too high, and the oil level drops and the pump is uncovered. Too low, and the pan blocks the flow, so at upper RPM's the pump isn't pumping enough GPM, so the pressure drops. You typically want it about 3/8ths from the pan bottom.

I don't know how the windage trays are on the BBF, but I know on the Mopars if the pan isn't cut correctly for the windage tray, then the oil gets blocked on the way to the sump. That may be something else to check.








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21' 74 cheyenne 543 Mopar Berkeley Jet Place diverter

GAWnCA

  • Karma: +1/-1
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #48 on: May 24, 2008, 10:18:14 AM »
I'm coming to the defense of Summit Racing parts.  I have been dealing with them for quite some time now and have never had a problem with their customer support.  NEVER!  Maybe it's attitude that got you in trouble with them.  In reading through this thread I do find that at times you do come off as arrogant.   Summit has a 90 day return policy and if you were to box the pan up and return it as not a fitting part for your application, you would have received a credit for it (refund).

Next, if you rebuilt your 460 back to stock specifications, why would you need a high volume oil pump in the first place?  Seems to me that you would be pumping all your oil out of the pan and it doesn't have time to return for proper circulation.  Just because you pay big bucks for a part doesn't mean that you are going to get the performance out of that part in your particular application.  I see so many people think they can just bolt on parts and expect a somewhat stock motor to become some 1100 HP behemoth drag motor.  Maybe Summit was right, put your stock oil pump on and see what happens. 

Just my 2 cents, for what it's worth.
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~Greg
Forgive your enemies.  It messes up their heads.

electrowoman

  • Karma: +1/-0
Re: 460 oil pressure issue starting at 4600 RPMs New rebuild
« Reply #49 on: May 24, 2008, 08:55:46 PM »
I've been very polite to your buddies.  I also have bought many many parts from Summit over the last 25 years or so.

 I don't however share your desire to spend "big bucks" on parts that don't work as advertised and just eat it when they don't.

My beef is with Milodon, I'm just trying to enlist the help of Summit to get them to take the pan back.

It's easy to come off as arrogant in an email.   You can neither hear the tone nor the frustration of all the hours of work being in vain.  It's all subject to readers interpretation,  One guy would say "I understand" the other "he's arrogant"

Back on track here, I can't pump a 6 quart pan dry with the same brand HV pump as I'm using now on a 10 quart pan.   

How do you explain the manufacturer telling someone to drain 2 or so quarts out of a 10 quart pan and try that?    They are trying to blame it on the pump bypass??  Am I missing something here, how does taking oil out of a pan fix a bad oil pump bypass?

 Summit says try a stock pump.   If I'm pumping the pan dry why would you take oil OUT?  If it's a pump bybass why would you take oil OUT ???  Why would you go to a stock pump and not a new HV pump if it's a bypass?  Does this sound like crap and a run around to anyone else or is it just me?

So now I'm running a 10 quart pan with a bit over 7 quarts of oil in it.  This by the way has stopped the oil pressure drop.   Hmmm, I guess it fixed the pump.  The HV pump that is.

 Did I get what I paid for?  NO. Does it indicate a problem with their pan that they know about, I certainly think so.  What do you guys think?

Now back to your statement of I'm pumping the pan dry with that  HV pump.   How can I pump a 10 quart pan dry with 10 quarts of oil in it but not if I only put in 7-8 quarts??   

Let's see you handle that question. 

 What makes you think it's the pump and not the windage tray?

The fellow I'm buying the new pan from  said he feels it's a lack of baffles and gates in addition to crappy windage tray.  He feels the oil is following the crank due to the crappy windage tray and  not draining back fast enough due to the lack of gates and prober baffles.   

I would like to thank you gentlemen that recommended Armondo's racing pans.  They were really nice to talk to and very informative. 

Next, should I just say "close enough I only paid  $400+ no biggie" and use this Milodon pan for a parts box?  Not me, I think I should  say "wait a minute, this isn't what I paid for, I can only run between 7 and 8 quarts in a 10 quart pan.

If a part doesn't work up to my expectations it's gone.  Arrogant?  I call it particular and fussy. I'm  willing to pay a fair price for what I need with the expectations of getting what I pay for.
That used to be the American way, pride in craftsmanship. 

I guess it depends on which side of the fence you are on maybe someday you'll be on the other side too and you may come across as arrogant.

I hope this string prevents just one person from going through the crap I have.

Sorry for the length of this post.
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