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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
I need to repair the hear riser in the exhaust of my 33 Chevy Master. Anyone know where I can find these parts?. If you would have a order number, that would be of great help.
Don
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Joined: Nov 2001
Posts: 19,758 Likes: 64
ChatMaster - 15,000
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ChatMaster - 15,000
Joined: Nov 2001
Posts: 19,758 Likes: 64 |
The best bet is to make them yourself. Find a stainless shaft and make a plate from sheet metal. Put them together.
How Sweet the roar of a Chevy four!
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
Chipper, That sounds like a possible to do. However I have no idea what the spring layout and adjustment is. Can you help?
Don
The 33 engineering Manual that I've seen on line shows the parts of the heat riser. However the picture is very poor. Does anyone have a better image of these parts that they are willing to share?
Don
Last edited by doneast; 02/28/12 01:39 AM.
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
The Member's Photos are a great help.
Thanks Don
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Joined: Apr 2002
Posts: 598
Oil Can Mechanic
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Oil Can Mechanic
Joined: Apr 2002
Posts: 598 |
Don:
I just sent you a number of photos to your listed email address rather than tie up memory here. Hope they help.
Richard
I try to be the person my dog thought I was.
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
Richard, the photos are great!
My local machine shop encouraged me to be lazy today. They machined, drilled, threaded, all the parts for the hear riser for $25. And I got it back in 3 hours. It made my afternoon. There are some special advantages to living in a smell town.
Don
If you ever get stuck in Northern CA and need machine work, let me know.
Also your manifold is beautiful.
Last edited by doneast; 03/03/12 12:41 AM.
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Joined: Apr 2002
Posts: 598
Oil Can Mechanic
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Oil Can Mechanic
Joined: Apr 2002
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I try to be the person my dog thought I was.
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
I need the small cover part that fits on the outside of the exhaust manifold and surrounds the spring. It can be seen in this photo. https://vccachat.org/ubbthreads.php/galleries/235608Can anyone help? Don
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Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Apr 2010
Posts: 173 |
Hi Don. I am about to do up my 34 manifold heat flap and would appreciate if you would kindly email me the photo on the manifold.do you know if the Bimetal spring is available to purchase anywhere.
I HAVE TRIED TO VIEW THE MEMBER'S PHOTOS BUT FOR SOME REASON I AM DENIED ENTRY I WILL NEAD TO CONTACT VCCA TO RECTIFY THE PROBLEM.
Cheers Paul Mitchell.
Email pm.exports@xtra.co.nz
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Joined: Dec 2001
Posts: 10,379 Likes: 1
Technical Advisor ChatMaster - 10,000
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Technical Advisor ChatMaster - 10,000
Joined: Dec 2001
Posts: 10,379 Likes: 1 |
Hi Paul, In order to post pictures and other functions on the Forum you must be a member of the VCCA. If you need help to join, just let us know and someone will assist you.  
RAY Chevradioman http://www.vccacolumbiariverregion.org/1925 Superior K Roadster 1928 Convertible, Sport, Cabriolet 1933 Eagle, Coupe 1941 Master Deluxe 5-Passenger Coupe 1950 Styleline Deluxe 4-Door Sedan 1950 Styleline Deluxe Convertible 2002 Pontiac, Montana, Passenger Van 2014 Impala, 4-Door Sedan, White Diamond, LTZ 2017 Silverado, Double Cab, Z71, 4X4, White, Standard Bed, LTZ If you need a shoulder to cry on, pull off to the side of the road. Death is the number 1 killer in the world.
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
Does anyone know where I can get the by-metal spring and cover for the hear riser?
Don
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
I have found a heat riser spring for a 55 Chevy. Any thoughts on how close to the one I need this spring might be?
Don
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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OP
Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
1937 heat riser spring seems to look the same. Filling Station part.
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Joined: Apr 2010
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Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Apr 2010
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Hi Ray. I am a member or the VCCA but for what ever reasons if I try to open any of the VCCA member's photos I am denied entry. I will try to work it out today thanks for you help.
Cheers Paul.
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Joined: Nov 2001
Posts: 5,906 Likes: 8
Former ChatMaster ChatMaster - 5,000
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Former ChatMaster ChatMaster - 5,000
Joined: Nov 2001
Posts: 5,906 Likes: 8 |
Paul... You made it a callenge. I finally found your membership record and I've added your VCCA number to your Chat profile. Also modified your permissions so you have full access to the other Member Forums. By the way, if any other members are reading this and don't seem to have full access, please read the instructions on the Hompage https://vccachat.org/ where it says: VCCA MEMBERS: Get access to additional forums, and post photos
Find out how Click HERE
Bill Barker
Previous VCCA CHAT Administrator
(VCCA Member: 9802)
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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Backyard Mechanic
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Posts: 387 |
This is the heat riser spring that I need. Don ![[Linked Image from vccachat.org]](https://vccachat.org/gallery/default/medium/1965.jpg)
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Joined: Apr 2010
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Shade Tree Mechanic
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Shade Tree Mechanic
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Hi Bill. Thank you for you efforts. Its good to be able to view all the site, the strange thing I was able to entry some areas but not all. Anyway thanks to you, all is working well. Cheers Paul. 
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Joined: Jul 2010
Posts: 387
Backyard Mechanic
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Backyard Mechanic
Joined: Jul 2010
Posts: 387 |
Still looking for input on where I might find the heat riser spring.
Don
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Joined: Nov 2008
Posts: 408 Likes: 10
Backyard Mechanic
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Backyard Mechanic
Joined: Nov 2008
Posts: 408 Likes: 10 |
I realize this is an old thread but I also need to replace the thermostatic coil spring for the heat riser on my 34 Master. The original one, which is broken, has a few more coils than those currently available. Does anyone know where I can get an original one or will the current replacements for 1937 and newer work?
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Joined: Nov 2015
Posts: 73
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Nov 2015
Posts: 73 |
Brendan,
The 1933-1936 models used part number 837491. I cannot see where it ever crossed. Some years back I purchased 838573 from a Chev. dealership and it has worked really well on my 1933 Master model. I don't remember if they told me it was a cross or not. The 1937-40 part number was 838561 which later crossed to the 878573 so the 1937 replacements should work OK.
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Joined: Nov 2008
Posts: 408 Likes: 10
Backyard Mechanic
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Backyard Mechanic
Joined: Nov 2008
Posts: 408 Likes: 10 |
Thank you for the information. I was able to bend a new tab in the center coil of my original spring and reinstall it. I tested it with a propane torch a couple times and it worked fine. I intend to keep an eye on it in case breaks (and it probably will) again. In the mean time, I intend to order a later replacement and have it on hand.
Mike
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