[DeTomaso] Fw: Re: Pantera fall down go boom :<(

[Chance Dorsey]

Hi all,

Can someone please explain this modification to me.  This week I FINALLY 
received a Rollmaster CS3130 for my 393C build.  So I'm at the point in the 
assembly of the motor where I need to either make this modification or pass 
on it and move on with the build.  However, looking at the layout of where 
this galley plug is in reference to where the distributor gear is has me 
wondering how this is supposed to work.  First take a look at this picture:

http://www.poca.com/index.php/gallery/?g2_itemId=32330

Is the idea for the oil to "spray" at the gear?  If so, the oil plug doesn't 
line up with the gear.  I understand that some of it may hit the shaft, but 
only to be slung off by the spinning gear.  So is one supposed to drill the 
hole at an angle in hopes of pointing the spray of oil in the right 
direction?  Has anyone tested a .030 hole with 50 - 70 PSI of oil pressure 
to see if it even "sprays".......OR is the oil just supposed to "dribble" (I 
know such a strong word for some) down the block on the gear?  If so, what 
would this provide that the oil return hole just to the side of the gear 
doesn't?

There's also the possibility that I'm completely in left field with my 
comprehension of this  (It wouldn't be the first time)  However, this is 
starting to sound like the "ole' oil return line" fix that has so famously 
followed the Cleveland around for years.  I'm not saying it's wrong.....I 
just don't understand it.

Thanks,

Chance


----- Original Message ----- 
From: <JDeRyke at aol.com>
To: <davel at emspace.com>
Cc: <DeTomaso at realbig.com>
Sent: Friday, June 24, 2011 3:23 PM
Subject: Re: [DeTomaso] Fw: Re:  Pantera fall down go boom :<(


> In a message dated 6/24/11 10:31:26 AM, davel at emspace.com writes:
>
>> My alternative is -.... a 5/8 x 1/2" UNF internal hex plug. I should be
>> able to buy that in brass which would be drillable. Anyone know a reason 
>> not
>> to use brass in that spot?
>>
>>
> IMHO no problem with brass-   as long as the thread's the same and there's
> enough material left in the internal hex drive to tighten the plug in so 
> the
> plug goes in flush. Matter of fact, aluminum should work as well too. Both
> would be much more drillable in the smaller sizes than harder steel. Going
> too big in your spray hole simply floods the gear mesh area and might 
> reduce
> the oil supply in that galley- which is a main lube channel for the vital
> mains & rods. The bad effects might not show up until the revs are high 
> for a
> long time. FWIW- J Deryke
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