 Transmission case material, What is side shifter transmission case made of? |
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| pistonboy |
 May 27 2019, 11:17 AM
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#1
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Newbie  Group: Members Posts: 38 Joined: 26-October 15 From: California Member No.: 19,305 Region Association: None  |
My question is about side shifter transmissions.
What material is the transmission case made of? Aluminum or magnesium? I know it is non-magnetic. Thank you. |
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Replies(1 - 6)
| mepstein |
May 27 2019, 11:36 AM
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#2
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914-6 GT in waiting Group: Members Posts: 19,305 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region 
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All the 914 trans were mag
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| Literati914 |
May 27 2019, 02:07 PM
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#3
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Senior Member Group: Members Posts: 1,472 Joined: 16-November 06 From: Dallas, TX Member No.: 7,222 Region Association: Southwest Region |
Is there a significant enough heat issue from having painted the magnesium cased transaxles - on a mostly street driven DD?
I'm gonna paint my fan shroud (also Magnesium on all models) and figure the tranny would look nicer too, but will skip it if it's gonna cause probs. |
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| mepstein |
May 27 2019, 02:17 PM
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#4
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914-6 GT in waiting Group: Members Posts: 19,305 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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It doesn’t cause issues on a street car.
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| pistonboy |
May 28 2019, 06:55 PM
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#5
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Newbie Group: Members Posts: 38 Joined: 26-October 15 From: California Member No.: 19,305 Region Association: None |
Thanks for the information. The transmission bell housing developed a crack in it. Seals had been replaced along with 1st gear synchro ring. It shifted very nicely and I was wanting to continue using it. I understand magnesium as well as aluminum can be welded. The magnesium may be more tricky. I will see how welders feel about welding it. It is a crack. Nothing has broken off.
I have heard these are often welded. Thank you for the information. |
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| mepstein |
May 28 2019, 07:10 PM
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#6
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914-6 GT in waiting Group: Members Posts: 19,305 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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QUOTE(pistonboy @ May 28 2019, 08:55 PM)  Thanks for the information. The transmission bell housing developed a crack in it. Seals had been replaced along with 1st gear synchro ring. It shifted very nicely and I was wanting to continue using it. I understand magnesium as well as aluminum can be welded. The magnesium may be more tricky. I will see how welders feel about welding it. It is a crack. Nothing has broken off. I have heard these are often welded. Thank you for the information. Yes. It can be welded. |
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| Mark Henry |
May 28 2019, 08:07 PM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
What's cracked and is it leaking?
A cracked ear likely could be done together, but if it's leaking it will have to be torn down, thoroughly washed and ground down to clean metal both sides of the crack before welding. At this point it might be better to source a better core. |
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