Zenith on 914-6 |
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Zenith on 914-6 |
DennisV |
Aug 18 2022, 07:13 AM
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#1
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Member Group: Members Posts: 471 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California |
What are the challenges with using Zenith 40 TIN carburetors on a 1970 914-6 engine?
My understanding is Weber 40 IDTP would be the correct original carb. I also understand that 1970 911T came with this model of Zenith. So in theory, no problem? We are trying to decide if we should rebuild these Zenith. If they are essentially same fit, form, function as the Weber, we will probably keep them. If there is some domino effect of now that you're using Zenith you also need to replace / modify x, y, and z, then we will probably try to source some Webers. Thanks for sharing your experiences. P.S. Would I be correct in understanding that the key concern when evaluating the carbs for rebuild would be:
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nditiz1 |
Aug 19 2022, 07:16 AM
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#2
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Senior Member Group: Members Posts: 1,188 Joined: 26-May 15 From: Mount Airy, Maryland Member No.: 18,763 Region Association: MidAtlantic Region |
It's always a gamble when buying them 2nd hand. I would reach out on Pelican. I know I have seen a few sets from time to time. "Off a recent running engine" is usually a good sign. If they were off a running engine, but have been sitting for years they will most likely need a rebuild, better off then some that are ratted out, but still some work involved. They should look fairly clean in pics. If the label them as having "tight shafts" that is a good indicator they could be ok. Also, most of the ones I have seen for sale are off bigger engines. There will be additional cost associated to swap out jets/vents. Aside from the shafts needing new bushings cleaning out every galley is not to bad of a job in the rebuild process.
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DennisV |
Aug 19 2022, 07:57 AM
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#3
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Member Group: Members Posts: 471 Joined: 8-August 20 From: Santa Rosa, CA Member No.: 24,575 Region Association: Northern California |
Also, most of the ones I have seen for sale are off bigger engines. There will be additional cost associated to swap out jets/vents. Aside from the shafts needing new bushings cleaning out every galley is not to bad of a job in the rebuild process. I started to hijack my own topic, but can't find a way to delete this post. I'll take it to a new thread. |
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