Water Pump Hose Fitting

[Jeffrey A.]

Attached is a picture of the current water pump fitting on my engine. My car is a late 63 coupe with a 327/300hp powerglide (w/o A/C). In reviewing my judging Sheet from from this past year the judge mark this off as being incorrect. Can anyone tell me was this is incorrect and if so and you post a picture of the correct fitting, so I may review it start looking for one. Thanks

[Mike M.]

Re: Water Pump Hose Fitting

Hello Jeffrey,
Since no one apparently wants be the first, I'll kick it off.
If memory serves, the "Wrenchable" section of the fitting should be about half again as long as the one pictured.
HaND

[Joe L.]

Re: Water Pump Hose Fitting

Hello Jeffrey,
Since no one apparently wants be the first, I'll kick it off.
If memory serves, the "Wrenchable" section of the fitting should be about half again as long as the one pictured.
HaND

Mike and Jeffrey-----


You're thinking of A/C-equipped cars. The heater hose nipple for these cars had a hex that was about 1/4" in length. The nipple for cars without C-60 had a hex that was about 7/8" in length. However, I would not be surprised if these nipples were actually used interchangeably in PRODUCTION. I really see no reason, at all, for the difference in hex lengths and, consequently, I would sort of expect that the folks on the line at St. Louis were not too careful about it, either.

However, the fitting pictured appears to be configured like NEITHER of the fittings originally used. So, that may be why it received a point deduction.

Both of the original fittings are easily available in reproduction for about 10 bucks. They may differ from originals, though, with respect to nuances of configuration.

[Mike M.]

Re: Water Pump Hose Fitting

Thanks Joe. You more eloquently stated what I had tried to.
HaND

[Michael H.]

Re: Water Pump Hose Fitting

Attached is a picture of the current water pump fitting on my engine. My car is a late 63 coupe with a 327/300hp powerglide (w/o A/C). In reviewing my judging Sheet from from this past year the judge mark this off as being incorrect. Can anyone tell me was this is incorrect and if so and you post a picture of the correct fitting, so I may review it start looking for one. Thanks

Jeffrey,

Below is a picture of the correct 3736495 fitting that should be on your 63. Paragon Corvette Parts sells this fitting.
By the way, it was cadmium or zinc plated and should be installed without being painted orange.
(the fuel pump mounting plate should also be unpainted)

[Mike M.]

Re: Water Pump Hose Fitting

Thank you, Michael.
Yes, the original would have been unplated zinc.
Jeffrey, I should have mentioned that the entry explaning this deduction for the nipple on your Judging sheet may have/should have an "Non-Typical Prioduction - Finish"
or, NTP-Fin. or just "NTP-F", or words to that effect.
Hopes this helps.
HaND

[Jeffrey A.]

Re: Water Pump Hose Fitting

Mike/michael and Joe

Thank you very much for you help. Now when I trying to find the correct fitting I know what to look for. thanks again. My search continues.

Take Care
Jeff

[Jeffrey A.]

Re: Water Pump Hose Fitting

Mike and or Michael

Attached is a picture fittings from a gentlemen I have bought thing from before. It is true that the left one is correct for my car. Listed below is the statement his emailed to me. I should want to make sure I do the right thing

Thanks - Jeff

"The fitting on the left side is supposed to be the correct one. It has two notches which were created by the machine used to install it at the Chevrolet factory"

[Dale S.]

Re: Water Pump Hose Fitting

And the one on the far right is correct for my 67 SB C-60 car. correct? Just making sure. Dale

[Joe L.]

Re: Water Pump Hose Fitting

And the one on the far right is correct for my 67 SB C-60 car. correct? Just making sure. Dale

Dale----


Yes.

[Joe L.]

Re: Water Pump Hose Fitting

Mike and or Michael

Attached is a picture fittings from a gentlemen I have bought thing from before. It is true that the left one is correct for my car. Listed below is the statement his emailed to me. I should want to make sure I do the right thing

Thanks - Jeff

"The fitting on the left side is supposed to be the correct one. It has two notches which were created by the machine used to install it at the Chevrolet factory"

Jeff-----


As far as general configuration goes, the one on the left and the one in the center are correct for your application. As far as the notches go, I'm not so sure. These notches are one of the "nuances" I referred to in my previous post. I don't think they were caused by the machine that installed them, mostly because I've seen them on NOS fittings which were NEVER installed. So, is one, two, or three sets of notches correct? I have absolutely no idea.

[Jeffrey A.]

Re: Water Pump Hose Fitting

Joe/Dale

thank you very much taking the time in explaning what it correct and your opinions, its been very helpful for me

Thanks - Jeff

[Mike M.]

Re: Water Pump Hose Fitting

Hi Jeff
As usual, Joe is spot on.
FWIW, I don't remember seeing or hearing of these original fittings with anything but a single set of notches.
HaND

[Jeffrey A.]

Re: Water Pump Hose Fitting

Hi Mike

thanks for the confirmation.

Jeff

[Rick S.]

Re: Water Pump Hose Fitting

Mike,
In regards to the notches, there are 2 notches on my 67 small block, no AC. I believe the fitting is original.
Rick