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Discussion Starter · #1 ·
Hi all,

This is my first ever time posting. And my first time working on a carb. I lost the vent spring when I opened the bowl vent, it shot off into oblivion.
I am currently looking for a replacement. #6 in the diagram (Spring, Bowl Vent Valve) I can't find this part anywhere. I have looked in rebuild kits and many carb sites. Is there a site you would recommend or is there another type of spring I could use instead?

This is for a 1985 Dodge D150 Custom. 5.2L V8.
Numbers on the Carb
R 40172 1
4306469
1705

Any help to find a replacement or something that will do the job would be most appreciated. Thank you!
-Donovan
 

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l,d use the spring out of a old style ball point pen , as l have done that
 

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Discussion Starter · #3 ·
Thank you! I'll give that a try! I would have never thought of that
 

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Discussion Starter · #5 ·
In your collecting experience, are there other springs I can try if the pen spring doesn't work out?
 

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I did the same thing when I rebuilt my 2280. never did find it in my basement after 35 years. Used a ball point pen spring like was said.
A good hardware store may have some spring selection as well that will get in the ballpark.
 
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Thanks for you help - I wish I would have asked this forum a few months ago!

l won't even go there about what you get on FB for info
 

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In your collecting experience, are there other springs I can try if the pen spring doesn't work out?
Well, I'm really good with my carburetors. I have no clue what to do with yours. :)
If it was sitting in front of me... it still would take me days to figure yours out. ☺
 

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See, it's info like this that makes me prowl all the posts. This is the good stuff, right here.
 

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Discussion Starter · #12 ·
haha! Totally, I have a little Mastercraft magnet tray for single part disassembly- I think I've learned my lesson and will disassemble it in the house on a table with silicon mats to keep everyone corralled.
 

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l use a LARGE serving tray type of thing / before that l had an old carrom board with the corners blocked off , it lasted for years till the wood started to separate



 

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Do you have a spring you can reference?

These guys will have any spring you will ever need:
 

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I've made a spring or three before. There is wire with correct properties for spring steel. I faked it, using what I had on hand, wrapped around a screw to make a spiral, then made it all red before quenching in oil. It was a spring. It worked for a while.

Makes one imagine the days before disposable culture when there was a guy at the hardware store (or blacksmith shop, or gun shop) who had the tools and skill to keep stuff working. Because back then stuff had VALUE. And stuff cost a person a LOT. Maybe we progressed such that a good hunting rifle costs but a few days of take-home pay. But we can't fix our stuff when it breaks. I'm 51 and a sentimental romantic who wishes he was born 200 years ago.
 

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The labor costs have risen over most other prices. Take an alternator. Yes, there is still some places that will rebuild them, but you are looking at least 1 hour. Most shops charge at least $100 per hour. So $100, plus $30 to $50 in parts. Or go to the parts store, and get a rebuilt one for $100.

Hard to get anything concerning labor done for under $100.
 
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