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#1516980 09/12/2023 3:28 PM
Joined: Mar 2005
Posts: 627
5
'Bolter
'Bolter
5 Offline
Joined: Mar 2005
Posts: 627
Hope you are all good! Can you check the picture and let me know is my heat riser closed or open? Also when it does open will it rotate to the right or to the left? Thanks.
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IMG_1643.png (3.97 MB, 106 downloads)


Mike Barnes
1950 GMC 1-ton pickup
50GMC253 #1516984 09/12/2023 4:03 PM
Joined: Jan 2022
Posts: 196
J
'Bolter
'Bolter
J Offline
Joined: Jan 2022
Posts: 196
Its closed, to the left.

50GMC253 #1516986 09/12/2023 4:30 PM
Joined: Jan 2014
Posts: 3,677
J
'Bolter
'Bolter
J Offline
Joined: Jan 2014
Posts: 3,677
Is it stuck in that position? If so, it will run really lousy at startup.

I originally thought that it wouldn’t make that much difference until I replaced mine. It made a huge difference. Although it may seem like an archaic/cheesy design….it works.


1951 3100
50GMC253 #1517023 09/12/2023 9:21 PM
Joined: Mar 2005
Posts: 627
5
'Bolter
'Bolter
5 Offline
Joined: Mar 2005
Posts: 627
So, when looking from the front it will rotate left toward the block if open. It is stuck and I don’t want to “persuade” it in the wrong direction. I’ve been using PB and tapping left and right without luck yet.

It starts and idles fine but if it would open when warm I’d expect it to run much better on the road.

Thanks.


Mike Barnes
1950 GMC 1-ton pickup
50GMC253 #1517048 09/12/2023 11:27 PM
Joined: Jan 2022
Posts: 196
J
'Bolter
'Bolter
J Offline
Joined: Jan 2022
Posts: 196
Originally Posted by 50GMC253
So, when looking from the front it will rotate left toward the block if open. It is stuck and I don’t want to “persuade” it in the wrong direction. I’ve been using PB and tapping left and right without luck yet.

It starts and idles fine but if it would open when warm I’d expect it to run much better on the road.

Thanks.


YES
Attachments
IMG_1643.png (1.47 MB, 58 downloads)

Last edited by jimgmc; 09/12/2023 11:38 PM.

Moderated by  Phak1, Woogeroo 

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