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| Carb rebuild https://www.ausmini.com/forums/viewtopic.php?f=2&t=88573 |
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| Author: | Muzza [ Tue Feb 10, 2015 10:26 am ] |
| Post subject: | Carb rebuild |
I've scored a set to twin carbs that I'm about to rebuild and will be following 'Micks How to guide'. I have a question. The end of the rods to the linkages have been worn. Do these rods need to be replaced or is it a case that it wouldn't affect the operation of SU's?    
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| Author: | drmini in aust [ Tue Feb 10, 2015 11:22 am ] |
| Post subject: | Re: Carb rebuild |
I'd build them up with bronze and re-machine them. Or buy a new one, shouldn't be that dear. Replace the 2 hollow nuts, they will be worn inside as well. |
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| Author: | Hanra [ Wed Feb 11, 2015 7:59 am ] |
| Post subject: | Re: Carb rebuild |
http://www.minispares.com/product/Class ... 0to%20shop http://www.minispares.com/product/Class ... 0to%20shop |
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| Author: | zep [ Wed Feb 11, 2015 4:16 pm ] |
| Post subject: | Re: Carb rebuild |
Why stop there http://www.minispares.com/product/Class ... .aspx|Back to shop Go the whole hog and replace everything. Have the bodies glass bead blasted. They polish up nicely. |
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| Author: | timmy201 [ Wed Feb 11, 2015 4:50 pm ] |
| Post subject: | Re: Carb rebuild |
zep wrote: Why stop there http://www.minispares.com/product/Class ... .aspx|Back to shop Go the whole hog and replace everything. Have the bodies glass bead blasted. They polish up nicely. That sounds like his intention, if he is following the how-to guide that Mick wrote. The carbs in Mick's guide did come up very nicely afterwards, I'm still deciding whether to put them on the car or put them in a display cabinet inside 
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| Author: | Mick [ Wed Feb 11, 2015 4:59 pm ] |
| Post subject: | Re: Carb rebuild |
I reckon the new bits look better after a few years on the road from new. Just like it would have been owning a car from new. Same with all the zinc plating, the bolts dull off after a few years and look more natural. That throttle linkage is a little different to what I am use to, anyone know why? |
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| Author: | Morris 1100 [ Wed Feb 11, 2015 6:06 pm ] |
| Post subject: | Re: Carb rebuild |
Mick wrote: That throttle linkage is a little different to what I am use to, anyone know why? I think they were the later replacement parts, I bought a new pair like that from Mini Kingdom in the early 80s. (and never used them!) |
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| Author: | Mick [ Wed Feb 11, 2015 6:10 pm ] |
| Post subject: | Re: Carb rebuild |
I didn't like the replacement linkages as they are quite different to the originals. So I transferred over the attachments onto the new shaft. |
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| Author: | Muzza [ Mon Mar 23, 2015 9:55 pm ] |
| Post subject: | Re: Carb rebuild |
Thanks guys. I ended up replacing the linkages and followed Micks how to guide to drill out the spindles and install bushes (along with everything else in the kit). She's all back together now and ready to be connected. 
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| Author: | Mick [ Tue Mar 24, 2015 8:45 am ] |
| Post subject: | Re: Carb rebuild |
Good stuff! Any trouble with drilling the spindles? |
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| Author: | Muzza [ Tue Mar 24, 2015 9:21 am ] |
| Post subject: | Re: Carb rebuild |
Hi Mick, I went and bought brand new drill bits because I was worried about the bits taking chunks out of the metal. I then increased the size of the hole at 1/64 increments as you recommended. I took the risk of hand drilling and it all seems to have work well. There's no movement in the spindles now and there is smooth movement when they are rotated. I think if I had to do it again though I would go and find with someone with a drill and vice as you recommended. I could see how easily things could go wrong with angles and chunks taken out. Thank you very much for your instructions. |
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| Author: | Mick [ Tue Mar 24, 2015 10:03 am ] |
| Post subject: | Re: Carb rebuild |
Yes it takes a smooth and careful hand. A safer bet to drill by hand with the easy to replace single 1.25s then a matched pair I will conceed... |
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| Author: | GundyGuy [ Sat Jan 23, 2016 4:45 pm ] |
| Post subject: | Re: Carb rebuild |
Just finished rebuilding my Twin HS2 Carbs Drilled out the body to fit bushes Wasn't happy with the little bushes supplied So i fitted 2 into the long side and actually used an american Linkert Carb throttle bush in the other side I used a 1/4 " drill to align the body for drilling then stepped the sizes up to 5/16"  
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| Author: | GundyGuy [ Sun Jan 24, 2016 5:54 pm ] |
| Post subject: | Re: Carb rebuild |
Well mine are all done and fitted back to the car Just need a final tune Anyone around the sunshine coast got a carb balancer i can borrow It runs a lot better than it did 
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| Author: | sitnlo62 [ Sun Jan 24, 2016 7:55 pm ] |
| Post subject: | Re: Carb rebuild |
GundyGuy wrote: Just finished rebuilding my Twin HS2 Carbs Drilled out the body to fit bushes Wasn't happy with the little bushes supplied So i fitted 2 into the long side and actually used an american Linkert Carb throttle bush in the other side I used a 1/4 " drill to align the body for drilling then stepped the sizes up to 5/16" Pro set up, Nice work 
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