Engine Diaper

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Old Mar 14, 2025 | 12:25 PM
  #1  
h/o guy's Avatar
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Engine Diaper

I am in need of an engine diaper for the upcoming racing season and I thought I remembered there was someone in the Olds racing community that had been making Olds specific engine diapers a few years back and wanted to know if that outfit / person is still making them and who that is?

Let me know if you have info on this that can help or if you have used a big name diaper that fit ok with an 8qt pan and still using motor mounts..

Thanks
Grant
Old Mar 14, 2025 | 04:21 PM
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I used a shroud sbc
,with moroso oil pan and it fitted good ,and I just adjusted to a tight fit
Old Mar 14, 2025 | 04:41 PM
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I hate to say it…but I THINK I remember that outfit was OPP.
Good luck.
Old Mar 19, 2025 | 01:27 PM
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Thanks for the replys. Spoke to Mike Roth at DRE and he wants me to send my oil pan and not just measurements, Andy suggests I make my own, and I dont see how a SBC diaper would ever work on a 455 as the Chevy clock is so much smaller and gathering all that extra material would be a pain. The big block Chevy rear sump with motor mount cutouts is the closest I have found but the motor mounts on a BBC are in a very different position than on an Olds so I am still researching / huntimg for something viable.
Old Mar 19, 2025 | 02:33 PM
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If you would like some measurements. Mine is still off the motor.
my motor is at the machine shop.
Which the weather isn't being kind on my days off.
Chadman bought the same one.
He pointed me with the information for mine.
Old Mar 19, 2025 | 02:36 PM
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Measurements would be great or even if you have the Stoud part number you purchased that would be helpful as well.

Does yours have cutouts for the motor mounts?
Old Mar 20, 2025 | 05:09 AM
  #7  
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No. I'm using front and mid plates.ill get you pics later.
Old Mar 20, 2025 | 04:42 PM
  #8  
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Diaper





moroso oil pan
8 qt pan
Old Mar 20, 2025 | 05:20 PM
  #9  
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Thanks for these photos. It fits better than I expected to see.
Nice build by the way, looks like that's a 9 second setup ( or maybe high 8's?)
Old Mar 20, 2025 | 06:47 PM
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Willie devoe built it. From America speed built it.
and yes it could be in the 9s. if you look at the olds list ,you may find his name on the list.
The moroso oil pan it a bit wider than a stock old pan.
and it adjustable.

Old Mar 21, 2025 | 02:42 PM
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you might call Dennis Ridgeway 765-483-9371
Old Mar 21, 2025 | 02:49 PM
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Thanks Joe
Old Mar 21, 2025 | 02:52 PM
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Actually I spoke with Mike Roth who now owns and rund DRE and he was the one that wanted me to send my oil pan to him.
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