[Healeys] Water pump recommendations

[Michael Oritt]

Does anyone know what the large (plugged) hole is for?

On Thu, Dec 21, 2023 at 2:51 PM Bob Spidell <bspidell at comcast.net> wrote:

> Yep. Many/most pumps do have a hole--usually, looking like a casting
> flaw--over the shaft between the pulley and the seal.  It will weep coolant
> if the seal is leaking, but this is a big, threaded hole--half-inch or
> so--probably for some other inlet. You can see it in this pic:
>
> https://bpnorthwest.com/austin-healey/water-pump-uprated-bn1-to-bn2/
>
> Bastuck, I believe, is a German company (Josef is familiar with them).
> Also, IIRC the threads on the shaft are a bit short, I used a thinner jamb
> nut to get good purchase. Those threads may be SAE, but I don't recall.
>
> bs
>
> On 12/21/2023 9:54 AM, Michael Oritt wrote:
>
> Thanks Bob--
>
> It is somewhat discouraging that what should be easy--sourcing a good and
> dependable water pump--seems like such a daunting task.  As I mentioned I'd
> like to replace my present pump--I believe the "uprated" version which I
> installed in situ several years back and is working just fine--with a new,
> dependable one with the hope that it will give several years of good
> service, and while that should not be a big ask I don't think I should have
> the feeling that I am merely changing cabins on the Titanic.
>
> All that said, most feedback seems to point to the AH Spares unit and
> that's probably where I'll go unless someone turns my head around.  You
> mention that the threads are metric and I assume you mean the one for the
> shutoff valve.  I don't have one of those--never had--and since it is
> pretty expensive and I can simply shut off flow via the tap on the right
> side of the engine I think I'll stay without one.
>
> As to the hole on top of the pump--isn't that supposed to be a
> weephole designed to be left unplugged to serve as a warning that water is
> getting past the seal in the engine--or am I misunderstanding what you are
> referring to ?
>
> Best--Michael
>
>
>
>
>
> On Thu, Dec 21, 2023 at 11:31 AM Bob Spidell <bspidell at comcast.net> wrote:
>
>> I bought the 'uprated' pump by Bastuck from BPNW (the AHSpares offering
>> appears to be an unbranded version, or maybe a copy). The impeller appears
>> to be somewhat more effective design, and the gap between the impeller and
>> the pump body is, I think, smaller than OEM so would likely flow better.
>> The threads on it won't fit the OEM valve--I think everything's metric on
>> it--and it comes with a barbed nipple. As previously reported, the hole on
>> the top of the pump--anyone know what that's for?--comes with a plug that
>> doesn't plug; I tried everything to get it to seal, and ruined a pump in my
>> attempts. I finally found a way, and may use it to seal an O/D drain plug
>> if it continues to leak. It works fine, but I haven't had the car out on a
>> hot day. I don't think coolant flow is the cause of overheating, esp. at
>> idle; it's mainly due to lack of airflow through the engine bay, lack of a
>> shroud, etc.
>>
>> I was so desperate I even tried a County pump, bought from Tom Monaco but
>> sourced by Moss. The bearing felt rough and and I didn't install it; I
>> returned it, and Tom had to jump through hoops to get a refund but he came
>> through. Tom knows a rebuilder in Oregon who rebuilt an OEM pump for me,
>> but it's currently riding in the boot. I don't have the invoice, but Tom
>> would tell you if you gave him a call.
>>
>> Bob
>>
>> On 12/20/2023 10:40 PM, Hank Leach via Healeys wrote:
>>
>> When I did my 100, in 2015, I took the original pump to a very good
>> machinist who fashioned a seal out of delrin and he figured out the correct
>> spring pressure using an original NOS part and the pump works perfect to
>> date.
>>
>> AH Spares professes that they have the best pump. Many other aftermarket
>> makers, including County, make junk. Using the original parts can work if
>> you have someone who understands pumps.The proper spring pressure is
>> critical to prevent leaks and the seal being made out of delrin resists
>> wear from vibration. This machinist worked for an agricultural supply
>> company. Hank
>> --------------------
>>
>> From: "Michael Oritt" <michael.oritt at gmail.com> <michael.oritt at gmail.com>
>> To: "Austin Healey" <healeys at autox.team.net> <healeys at autox.team.net>
>> Sent: Wed, Dec 20 2023 06:35 PM
>> Subject: [Healeys] Water pump recommendations
>> The engine in my 100 will be out soon and I'd like to replace the
>> present water pump PROVIDED there has been a scientific breakthrough in the
>> manufacturing of this often problematic piece of equipment.
>>
>> Is anyone making or reconditioning pumps that offer a real improvement of
>> what is generally offered to us?
>>
>> Best--Michael Oritt
>>
>>
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>
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