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THE SIDE LOT.

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KEVINSKI #1437493 Sun Jan 16 2022 02:23 PM
Joined: Dec 2018
Posts: 1,842
F
'Bolter
kevinski Use a careful low pressure flush,it''ll act like a water heater you'll get some dirty water then run clean---not even close to clean !!IF IT FLOWS AND HEATS GOOD better leave it alone. On your block some time when you have the head off you can hurt that sludge that piles -up around 5 and 6 with a big screwdriver and hammer. Outside of that be glad it will run cool !!

KEVINSKI #1437691 Tue Jan 18 2022 01:49 AM
Joined: Sep 2010
Posts: 1,419
K
'Bolter
Got the heater pulled apart and found a few surpriseā€™s.Anyone change the hub on the squirel cage the origional had a wood screw screwed into it and the motor shaft was brazed with melted the alloy hub .I think I can drill a bushing and tap a set screw then weld it on the squirel cage.

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53B59710-AFE2-48CD-A14C-1ECC0DF11C9C.jpeg (216.71 KB, 211 downloads)
31DD1C72-AAA7-4A74-8C7B-D6531B8975D8.jpeg (209.43 KB, 210 downloads)
FCDD66B3-7803-4375-B1A9-11E42FDE8E43.jpeg (159.63 KB, 210 downloads)

kevinski 1954 GMC 9300 Welcome to the virtual Garage [stovebolt.com]
KEVINSKI #1437697 Tue Jan 18 2022 02:29 AM
Joined: Feb 2016
Posts: 706
7
'Bolter
Be real careful with heat on the blower wheel, it will warp and you'll have a heck of a time trying to make it run true. Maybe soft solder or silver solder would be safe.


1957 Chevrolet 5700 LCF 283 SM420 single speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
KEVINSKI #1437701 Tue Jan 18 2022 03:14 AM
Joined: Sep 2010
Posts: 1,419
K
'Bolter
Good point thank you,I may try to rivet it or solder like you suggested


kevinski 1954 GMC 9300 Welcome to the virtual Garage [stovebolt.com]
KEVINSKI #1437703 Tue Jan 18 2022 03:18 AM
Joined: May 2015
Posts: 5,931
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
If you have a spot welder that will reach into the squirrel cage, that would work. Wouldn't be an issue with warping the hub. That might even be an issue with a torch used for soldering.


Kevin
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
#2 - '29 Ford pickup restored from the ground up.
First car '29 Ford Special Coupe
Busting rust since the mid-60's
KEVINSKI #1442280 Wed Feb 23 2022 03:45 AM
Joined: Jun 2010
Posts: 295
B
'Bolter
JW51, I don't know about 54' but my 49', which has the same heater, has a valve control knob on the dash to control flow of coolant through the core. I can shut it off completely or adjust the flow. It has an air filled flat canister about the size of the diameter of soup can with a copper tube back to the valve that will help regulate the flow based on cabin temperature. Kind of an automatic temp control. All factory.

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Last edited by bztguy; Wed Feb 23 2022 03:53 AM.

1949 Chevy 3600
1975 W-25 Hurst Olds
1991 Chevy Silverado
1970 GMC 1/2 ton Fleetside
2010 Chevy Silverado
I'm a GM man!
KEVINSKI #1442643 Fri Feb 25 2022 02:42 PM
Joined: Dec 2015
Posts: 2
R
Moderated
heater al new 53 recirulating on 53 chevy truck but not much air coming through defroster vent

KEVINSKI #1442686 Fri Feb 25 2022 09:03 PM
Joined: Sep 2010
Posts: 1,419
K
'Bolter
Unfortunately my heater control disappeared so I was going to use a modern valve .The defrost control had two types one a leaver on the unit itself and the other by a cable that I think was under the dash by the heater switch.


kevinski 1954 GMC 9300 Welcome to the virtual Garage [stovebolt.com]
KEVINSKI #1442693 Fri Feb 25 2022 10:34 PM
Joined: Jun 2010
Posts: 295
B
'Bolter
If you can find an original Ranco heater valve the rubber seal is still available. I think I paid about 8 bucks at NAPA for one.


1949 Chevy 3600
1975 W-25 Hurst Olds
1991 Chevy Silverado
1970 GMC 1/2 ton Fleetside
2010 Chevy Silverado
I'm a GM man!
KEVINSKI #1442982 Mon Feb 28 2022 05:37 PM
Joined: Nov 2021
Posts: 311
W
'Bolter
I will be tracking your solution for the squirrel cage attachment. Mine was not as bad as yours but it is definitely loose, or at least it is now after I finally got it removed from the shaft.


1949/50 3600 Project
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