Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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blueyAU Offline OP
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hi there,
good news and bad news..
good news first:-
I had my 1935 water pump modified by a very clever local machine shop, old Bill did a wonderful job, installing modern vipon seals,both sides, new oversize shaft to suit the seals, also installed new bearing bushes that never need lubricating with the grease twist cups etc.

It is now installed and guess what, no more water leaking from the water pump..an excellent result.
He is also assembling a spare pump that he did at the same time as the first one. (He only had to set up the machining once for 2 pump overhauls for each operation.)

The icing on the cake is that I also obtained a NOS truck fan blade and the difference is amazing, the wind is twice what the original std fan blade created, it even sucks an old shirt directly onto the grill, such is the force, indeed it is noted that the force was with me...it arrived in black and is now in bright yellow paint.. willy

The bad: my fuel tank always shows 1/2 full or empty, even when full.
How do I determine what the sender ohms is so as to order a new one from the filling station?
What do I need to do to make the sender work properly?
any advice is appreciated.

Peter australia




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Filling Station - Chevrolet & GMC Reproduction Parts


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Peter
Sounds like you have a clever machinist up there and good that it fixed that problem.

It is my understanding that all Chevs with electric fuel guages use a 0 - 30 ohm sender units no matter what configuration the support frame is. Those with more professional information can correct me.

Tony


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0 to 30 Ohms sounds correct to me.

laugh wink beer2


The Mangy Old Mutt

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Peter,

Can you post the details of how the machinst did that job so those of us with home machine shops can do the same?

Decades ago one of my neighbors put a modern shaft/seal/bearing in a Model A Ford water pump with the same good results you got. I have a '36 Chevy water pump core I'd like to do that on.

Did you ever contact the guy in your part of the world who makes the 25w/25w halogen headlight bulbs? They really light up the road and my original '36 generator with a Peterson regulator handles them no sweat.

Ray W raywaldbaum@gmail.com

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blueyAU Offline OP
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Originally Posted by tonyw
Peter
Sounds like you have a clever machinist up there and good that it fixed that problem.

It is my understanding that all Chevs with electric fuel guages use a 0 - 30 ohm sender units no matter what configuration the support frame is. Those with more professional information can correct me.

Tony
Thank you both for the information, now I can move forward.
BTW, I purchased the truck fan blade from this company in the USA.

http://www.parts123.com/parts123/pa...amp;pagesize=10&page=1&addcat=CS

third on the top right hand side.

good service and totally unexpected ...NOS, including the box, what a find indeed.

Peter

Last edited by blueyAU; 07/21/15 12:22 AM.



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blueyAU Offline OP
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Originally Posted by brino
Peter,

Can you post the details of how the machinist did that job so those of us with home machine shops can do the same?

Decades ago one of my neighbors put a modern shaft/seal/bearing in a Model A Ford water pump with the same good results you got. I have a '36 Chevy water pump core I'd like to do that on.

Did you ever contact the guy in your part of the world who makes the 25w/25w halogen headlight bulbs? They really light up the road and my original '36 generator with a Peterson regulator handles them no sweat.

Ray W raywaldbaum@gmail.com

Hi there Ray,
old Bill used 2 vipon seals, which are the best that money can buy, one each side of the bush.
He removed the metal spring in the seals and replaced it with an " O " ring, to help keep constant pressure on the seal flange and shaft, His own little secret mod".

He had to machine out the old bushes and use a larger dia shaft to suit the modern seals.
He made 2 new bushes from a special oil impregnated bronze material, I cant remember the name. In normal manufacturing they use the same type of material , but it is steel and not bronze.

He said by using this bronze material, I would only have to grease it once every 100 years, so that was good enough for me! He also boiled the new bushes in light oil to give them a good impregnation before installing?

The bracket holding the pulley wheel was a press interference fit on the new shaft as was the impeller.

BTW, when the old graphite impregnated water seals were removed, he found 2 on the outside of the pump, that is, behind the brass adjusting nut. I had always thought that there was a seal on each side of the bearing bush...now I know for sure how it was set up originally? Also worth a mention behind the old seals was what looked like a lead ring or bush of some type, by the time it had been prised out it was a mangled mess and hard to see what its shape or purpose was?


regarding the 25w/25w halogen headlight bulbs, no such beast over here, cant find any information about them!

Peter




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Peter,

Thank you for that information on the water pump. I will pursue that as I have a water pump core that would be a good one to convert.

"regarding the 25w/25w halogen headlight bulbs, no such beast over here, cant find any information about them!"

Check the 1933 Plymouth owners forum. I think that's where I found out about the halogen headlight bulbs and the Peterson voltage regulator.

Ray W


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