[T3] Oil Pump update

Wed Jan 17 17:04:24 PST 2018

Jim,
You're right. The inlet hole lines up perfectly and the 2mm doesn't seem so big. I'm leaving it. 
The original VW pump is so much beefier and much prettier than anything out there now. 

> On Jan 17, 2018, at 13:24, type3-vwtype3.org-request at lists.vwtype3.org wrote:
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> Today's Topics:
> 
>   1. 21mm Oil Pump Inlet Size (Jaime Gurrola)
>   2. Re: 21mm Oil Pump Inlet Size (Mike Fisher)
>   3. Re: 21mm Oil Pump Inlet Size (Keith Park)
>   4. Re: 21mm Oil Pump Inlet Size (Jim Adney)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 16 Jan 2018 14:48:07 -0800
> From: Jaime Gurrola <elpuerco66 at gmail.com>
> To: type3-vwtype3.org at lists.vwtype3.org
> Subject: [T3] 21mm Oil Pump Inlet Size
> Message-ID: <0ad9ff8e-d5d5-e7a3-cd64-f36983589222 at gmail.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> ? I'm rebuilding a 1600 and the oil inlet hole on the new 21 mm Schadek 
> oil pump is about 2mm smaller than the original 21mm pump. The new pump 
> inlet size is 13.8mm and the old pump is 15.8mm.
> 
> Should I let it go or should I enlarge the inlet on the new pump to 
> match the old pump's size since I'm using the same case?
> 
> Thanks and Happy New Year
> 
> Jaime Gurrola
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Tue, 16 Jan 2018 15:17:24 -0800
> From: Mike Fisher <fisherfarms at gmail.com>
> To: T3 List <type3 at vwtype3.org>
> Subject: Re: [T3] 21mm Oil Pump Inlet Size
> Message-ID:
>    <CAMFgKffOhqE-jc89Wdjz_haaxsM6RJaoz5bwHLO=vJMFixwnkQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> I would assume Schadek knows their business and use it as
> engineered/manufactured.
> 
>> On Tue, Jan 16, 2018 at 2:48 PM, Jaime Gurrola <elpuerco66 at gmail.com> wrote:
>> 
>>  I'm rebuilding a 1600 and the oil inlet hole on the new 21 mm Schadek
>> oil pump is about 2mm smaller than the original 21mm pump. The new pump
>> inlet size is 13.8mm and the old pump is 15.8mm.
>> 
>> Should I let it go or should I enlarge the inlet on the new pump to match
>> the old pump's size since I'm using the same case?
>> 
>> Thanks and Happy New Year
>> 
>> Jaime Gurrola
>> _______________________________________________
>> VWType3.Org mailing list - type3 at vwtype3.org
>> To unsubscribe or change subscription options, visit:
>> http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
>> If you need more help, contact: gregm at vwtype3.org
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> 
> 
> 
> -- 
> Eugene, Oregon
> 
> http://s169.photobucket.com/albums/u236/mr_bojangles500/
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> ------------------------------
> 
> Message: 3
> Date: Tue, 16 Jan 2018 19:27:32 -0500
> From: "Keith Park" <topnotch at nycap.rr.com>
> To: <type3 at vwtype3.org>
> Subject: Re: [T3] 21mm Oil Pump Inlet Size
> Message-ID:
>    <mailman.14507.1516148856.15232.type3-vwtype3.org at lists.vwtype3.org>
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> 
> yea, but is it a schadek or a recent manufacture chinese pump?
> 
> Keith
> 
> Topnotch Restorations
> topnotch at nycap.rr.com
> http://www.a383ina68.addr.com/radiorest/main.htm
> 71 Squareback  "Hothe"
> 65 Notchback  "El Baja Rojo"
> 93 RX7  "Redstur"
> 95 Chrysler Cirrus Lxi "Cirstallsalot"
> 
> -----Original Message-----
> From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
> On Behalf Of Mike Fisher
> Sent: Tuesday, January 16, 2018 6:17 PM
> To: T3 List
> Subject: Re: [T3] 21mm Oil Pump Inlet Size
> 
> I would assume Schadek knows their business and use it as
> engineered/manufactured.
> 
>> On Tue, Jan 16, 2018 at 2:48 PM, Jaime Gurrola <elpuerco66 at gmail.com> wrote:
>> 
>>  I'm rebuilding a 1600 and the oil inlet hole on the new 21 mm Schadek
>> oil pump is about 2mm smaller than the original 21mm pump. The new pump
>> inlet size is 13.8mm and the old pump is 15.8mm.
>> 
>> Should I let it go or should I enlarge the inlet on the new pump to match
>> the old pump's size since I'm using the same case?
>> 
>> Thanks and Happy New Year
>> 
>> Jaime Gurrola
>> _______________________________________________
>> VWType3.Org mailing list - type3 at vwtype3.org
>> To unsubscribe or change subscription options, visit:
>> http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
>> If you need more help, contact: gregm at vwtype3.org
>> 
> 
> 
> 
> -- 
> Eugene, Oregon
> 
> http://s169.photobucket.com/albums/u236/mr_bojangles500/
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> ------------------------------
> 
> Message: 4
> Date: Wed, 17 Jan 2018 10:51:14 -0600
> From: "Jim Adney" <jadney at vwtype3.org>
> To: type3 at vwtype3.org
> Subject: Re: [T3] 21mm Oil Pump Inlet Size
> Message-ID: <5A5F7F02.13754.4017BCEB at jadney.vwtype3.org>
> Content-Type: text/plain; charset=ISO-8859-1
> 
>> On 16 Jan 2018 at 14:48, Jaime Gurrola wrote:
>> 
>> ? I'm rebuilding a 1600 and the oil inlet hole on the new 21 mm Schadek
>> oil pump is about 2mm smaller than the original 21mm pump. The new pump
>> inlet size is 13.8mm and the old pump is 15.8mm.
> 
> The size of the hole is not as important as the location. Check the size AND 
> location of the matching hole in the case, as VW changed that location at 
> one point, so that, IIRC, we can no longer buy pumps that mate up correctly 
> to '70 cases. Check both the inlet and outlet holes.
> 
> If the locations don't match up, it may be possible to find another pump that 
> will work, or you might need to have a machine shop make a new bore in a 
> better location. Don't just make a groove; bends in the oil flow path, 
> especially on the intake side, make a big difference to the final flow rate. The 
> oil should have a straight shot from the case to the center of the pump, 
> especially on the inlet side.
> 
> Sometimes the holes are larger on one part to make sure that they overlap 
> the whole hole on the mating part. That small change in diameter is a very 
> minor problem.
> 
> You can't assume that everything will just be okay.
> 
> -- 
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
> 
> 
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