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MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
#2696175
09/10/19 03:07 PM
09/10/19 03:07 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Hello everyone. I'm building a 410 (360-040 stroker small block; car used mostly for competition road course and pylon racing, but also street/hwy driven. Hughes/SCAT all forged assembly with Eagle H-beam rods. Multiple problems:
1. Milodon windage tray, with their 4-stud kit, now installed, but had to shorten/cut the 4 studs by about 7/16"each so they would not hit the road race Milodon oil pan... at every (all 4) stud point.... OK... done.
2. Milodon windage tray needed MAJOR re-configuration to clear the H-beam rods (cap screws). ALL of the tray's openings needed to be cut/ground away, then re-shaped for windage capture/drainage, then multiple radius pounding with a ball-peen hammer on a wide open vice needed to be radius'd in to further clear the rotation of the rods/cap screws... spent an easy 10+ hours doing this... OK, done now... all rods/cap screws now clear with approximate 1/16"-1/8" clearances.
3. Milodon windage tray needed further opening and re-configuration for the Milodon road race oil pic-up tube.... OK... done now.
4. Milodon road race oil pan will not clear and fit properly over the Melling HV72 oil pump!!!... hits in lower corner of the pan. I've confirmed this is only the oil pump-to-pan interference (not the pick up). Without the oil pump, the pan fits onto the block perfectly; with the oil pump, it is off by about 3/16" from allowing all the pan to seat flatly to the block's rails (rear), as well as aligning with ALL the bolt holes. I've checked the rear oil pan depth vs my original factory pan... same. BUT, there is definite interference of the oil pump to the pan (visible marks of scratching). So, I've attempted to file away and re-radius the corner of the oil pump... helped a little. Next, spending time pounding that oil pan corner out... helped a little more, but still have to continue... hope I can make it to fit.
So, has anyone had similar above experiences with the setup that I have?
PS: I had called the Milodon Tech Line before I purchased the Windage tray and stud-kit (just the 4-studs they offer), asked if there was anything I should know about the overall assembly... "...Nope.. just put it all together." Surprise after surprise! Very disappointing from Milodon -- thought they were a quality company.
Last edited by Mopar Mitch; 09/10/19 03:10 PM.
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Stanton]
#2696254
09/10/19 06:20 PM
09/10/19 06:20 PM
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Joined: Oct 2007
Posts: 4,205
New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,205
New York
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There's no point in a HV pump if most of the oil is going through the bypass
This^^^
It's being aerated as well.
Without enough oil volume to gas out (tall towaer is best) small emulsion bubbles reduce the strength of the oil film at the journal by providing a compressible cushion.
Boffin Emeritus
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Mopar Mitch]
#2696427
09/11/19 09:06 AM
09/11/19 09:06 AM
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Joined: Jan 2003
Posts: 1,753
Windsor, ON, Canada
Diplomat360
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,753
Windsor, ON, Canada
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Regarding pan and HV oil pump fit, I have exactly the same experience, although this is with stock pan, so this info is in the "for what it is worth" category. I ran into clearance issue, attempted to deal with it by putting some dimples in the factory pan. That pan was really thick so I thought there would be enough room, alas as it turned out maybe too thick actually to make it work. 1) factory pan with oil pump clearance dimples - early stages ![[Linked Image]](http://darcio.no-ip.org/Diplomat/80coupe/oilpan_oem_pump_dimple_1.jpg) 2) and here is the resulting crack ![[Linked Image]](http://darcio.no-ip.org/Diplomat/80coupe/oilpan_oem_pump_dimple_2.jpg) ..so that put an end to this idea. Well, I re-grouped ha ha...and off I went looking for alternative oil pumps to see if I could eek out a little extra clearance. Here is what I arrived at: ![[Linked Image]](http://darcio.no-ip.org/Diplomat/80coupe/oilpan_oem_pump_dimple_4.jpg) ...and as tiny as it may seem, the recessed screw mounting pad of the oil pump cover along with the lower profile of the bolt head actually shaved off enough to make the pan fit work. It was probably about 1/4" clearance. Not sure if you looked at alternative pump covers, but maybe that's a viable approach to get you that extra clearance?
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: crash520]
#2696537
09/11/19 12:47 PM
09/11/19 12:47 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Crash520 --
Milodon 360 road race oil pan is #31595
Milodon SB Mopar Windage tray #32230
Milodon 4-stud installation kit for their windage tray is #81151
You've said that you're using the Hughes main Girdle... I thought that girdle will not work with any windage tray.
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Diplomat360]
#2696543
09/11/19 12:59 PM
09/11/19 12:59 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Diplomat360 --
T/Anks for your reply.. seems we have the same issue. My stock factory 360 oil pan fits A-OK.
I'll be grinding the oil pump and, hopefully, that will help more... as well as dimpling the corner of the Milodon road race pan.
Also, as others have suggested, the installation of the NON-High Volume oil pump would probably clear and resolve the issue (being a shorter pump), but, I've always (past ~40 years) run/raced and rebuilt the SB engines only with the HV pump... been my preference and without any problems or issues. In fact, the engine that came out of the car (T/A 340) had been raced (AX/HSAX/HPDE) very hard by me for the past 30 years... it was a great running engine!... commonly seeing 6500-68--occasional 7000!... setting it aside now (although I'll be using the T/A heads... per class racing rules... ported and flowed).
I have pics on my cell phone of the windage tray, oil pump and pan, etc... figuring out how to post them...
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Diplomat360]
#2696623
09/11/19 05:15 PM
09/11/19 05:15 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Diplomat360 -- I couldn't get your pics/links to open... is there some special way to open them (I just tried clicking on but.. nothing).
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Mopar Mitch]
#2696691
09/11/19 08:39 PM
09/11/19 08:39 PM
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Joined: Jan 2006
Posts: 33
Fort Collins, CO
khuebner250
member
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member
Joined: Jan 2006
Posts: 33
Fort Collins, CO
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Hello everyone. I'm building a 410 (360-040 stroker small block; car used mostly for competition road course and pylon racing, but also street/hwy driven. Hughes/SCAT all forged assembly with Eagle H-beam rods. Multiple problems:
1. Milodon windage tray, with their 4-stud kit, now installed, but had to shorten/cut the 4 studs by about 7/16"each so they would not hit the road race Milodon oil pan... at every (all 4) stud point.... OK... done.
2. Milodon windage tray needed MAJOR re-configuration to clear the H-beam rods (cap screws). ALL of the tray's openings needed to be cut/ground away, then re-shaped for windage capture/drainage, then multiple radius pounding with a ball-peen hammer on a wide open vice needed to be radius'd in to further clear the rotation of the rods/cap screws... spent an easy 10+ hours doing this... OK, done now... all rods/cap screws now clear with approximate 1/16"-1/8" clearances.
3. Milodon windage tray needed further opening and re-configuration for the Milodon road race oil pic-up tube.... OK... done now.
4. Milodon road race oil pan will not clear and fit properly over the Melling HV72 oil pump!!!... hits in lower corner of the pan. I've confirmed this is only the oil pump-to-pan interference (not the pick up). Without the oil pump, the pan fits onto the block perfectly; with the oil pump, it is off by about 3/16" from allowing all the pan to seat flatly to the block's rails (rear), as well as aligning with ALL the bolt holes. I've checked the rear oil pan depth vs my original factory pan... same. BUT, there is definite interference of the oil pump to the pan (visible marks of scratching). So, I've attempted to file away and re-radius the corner of the oil pump... helped a little. Next, spending time pounding that oil pan corner out... helped a little more, but still have to continue... hope I can make it to fit.
So, has anyone had similar above experiences with the setup that I have?
PS: I had called the Milodon Tech Line before I purchased the Windage tray and stud-kit (just the 4-studs they offer), asked if there was anything I should know about the overall assembly... "...Nope.. just put it all together." Surprise after surprise! Very disappointing from Milodon -- thought they were a quality company. I had all the same issues. It should come with a hammer in a kit. Here is my online rant if your interested with pics! https://www.forabodiesonly.com/mopa...68-notchback-build-thread.326897/page-16
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Mopar Mitch]
#2696699
09/11/19 08:58 PM
09/11/19 08:58 PM
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Joined: Nov 2006
Posts: 1,074
Manitoba Canada
67autocross
super stock
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super stock
Joined: Nov 2006
Posts: 1,074
Manitoba Canada
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Look at the bright side when you are all done fitting it it will leak at one off the bad welds.
A new iron curtain drawn across the 49th parallel
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Mopar Mitch]
#2696729
09/11/19 09:57 PM
09/11/19 09:57 PM
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Joined: Jan 2003
Posts: 1,753
Windsor, ON, Canada
Diplomat360
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,753
Windsor, ON, Canada
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Hey Mitch, Diplomat360 -- I couldn't get your pics/links to open... is there some special way to open them (I just tried clicking on but.. nothing). Ahh...sorry man, I'm hosting the pics on my local machine where I run a web server...this allows me to put up as big of a pic as needed. The challenge is that if I cycle the machine (maintenance re-boot, etc.) it will take 'em off-line, which is something I did this afternoon. Try again please, looking at the thread right now my browser shows them in the post.
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Mopar Mitch]
#2696740
09/11/19 10:28 PM
09/11/19 10:28 PM
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Joined: Oct 2013
Posts: 247
Brisbane Australia
crash520
enthusiast
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enthusiast
Joined: Oct 2013
Posts: 247
Brisbane Australia
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Crash520 --
Milodon 360 road race oil pan is #31595
Milodon SB Mopar Windage tray #32230
Milodon 4-stud installation kit for their windage tray is #81151
You've said that you're using the Hughes main Girdle... I thought that girdle will not work with any windage tray.
Mitch, your correct it won’t work, what I meant was I was using the girdle as a form of crank scraper as such Greg
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: Diplomat360]
#2696898
09/12/19 02:07 PM
09/12/19 02:07 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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Diplomat360 -- pics still won't open.... I'm curios to see them.
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: khuebner250]
#2696902
09/12/19 02:20 PM
09/12/19 02:20 PM
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Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
Mopar Mitch
OP
pro stock
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OP
pro stock
Joined: Jan 2010
Posts: 1,442
NW Chicago suburban area
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K..250 -- T/Anks for the pics/link... You'll be shocked to see the pics of my results on modifying the windage tray...
we should talk sometime...
Mopar Mitch
"Road racers and autocrossers go in deeper and come out harder!"... and rain never stops us from having fun with our cars... in fact, it makes us better drivers!
Check out MOPAR ACTION MAGAZINE, August 2006 issue for feature article and specs on my autocross T/A!
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Re: MILODON ROAD RACE OIL PAN PROBLEMS STROKER SB
[Re: AndyF]
#2696949
09/12/19 05:29 PM
09/12/19 05:29 PM
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Joined: Mar 2009
Posts: 2,457
Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,457
Sydney,Australia
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We did a 427 inch SB years ago with a Milodon road race pan. The windage tray needed to be heavily modified. Wasn't much left of it by the time it fit. I got to worse than this with a big block , then just threw it away .  Tex
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive
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