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| twin carbies 1970 cs https://ausmini.com/forums/viewtopic.php?f=2&t=97405 |
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| Author: | p7676 [ Sun Jun 24, 2018 7:12 pm ] |
| Post subject: | twin carbies 1970 cs |
Just another rant about the carbies, seems difficult to tighten the rear nuts on the carbies ,do you use a grind down spanner ? 9/16 af Allen |
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| Author: | gtogreen1969 [ Sun Jun 24, 2018 7:32 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
I just use an open end spanner if the studs are too long. But I also remove the entire manifold with the carbies. I dont remove or replace the carbies with the manifold still fitted to the engine. |
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| Author: | Bill B [ Sun Jun 24, 2018 8:34 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
p7676 wrote: Just another rant about the carbies, seems difficult to tighten the rear nuts on the carbies ,do you use a grind down spanner ? 9/16 af Allen That's been my experience too. I think it's just 'mini: if you can see it, you can't touch it; if you can touch it you can't see it". Many modern spanners are very long and getting caught up on all the springs and cables is usual. I have to keep turning the open ended spanner over to get just 1/2 a flat at a time. |
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| Author: | Phil 850 [ Sun Jun 24, 2018 8:57 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
Admittedly I only have a single carb, but I bought Sumer stubby ROE from Supercheap just for working on the mini. Surprising how much easier things are with them. |
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| Author: | goodie [ Tue Jun 26, 2018 4:16 am ] |
| Post subject: | Re: twin carbies 1970 cs |
I think the original nuts were not as thick as a normal nut . I filed down some stainless nuts to fit my 1-1/2" twins . |
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| Author: | DavidE [ Tue Jun 26, 2018 6:39 am ] |
| Post subject: | Re: twin carbies 1970 cs |
Phil 850 wrote: Admittedly I only have a single carb, but I bought Sumer stubby ROE from Supercheap just for working on the mini. Surprising how much easier things are with them. Are you able to point me to what you are referring to here? |
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| Author: | miniron [ Tue Jun 26, 2018 9:47 am ] |
| Post subject: | Re: twin carbies 1970 cs |
Go to Bunnings and buy a cheap short ring open ender spanner for $1 and cut the ring end off to make your own stubby. IIRC the nuts are 5/8" AF. Edit: Just checked and the nuts are 9/16" AF. RonR |
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| Author: | p7676 [ Tue Jun 26, 2018 10:14 am ] |
| Post subject: | Re: twin carbies 1970 cs |
The nut size on my carbies is 9/16 AF which means Across the Flats. Not the dia of the stud. I will check if there were smaller nuts used they would have to be 1/2 AF. You cant change the stud dia as you know. Pain to fit. Allen |
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| Author: | cgo [ Tue Jun 26, 2018 11:59 am ] |
| Post subject: | Re: twin carbies 1970 cs |
Nuts are 3/8 UNF, 9/16 AF and around 5mm thick. Photo shows a cheap 1/2 cut open ended spanner that I've used for years. The carby set shown are from a Mini (jigsaw puzzle) I bought last year. Could not find the proper nuts so I machined down some thicker 3/8 UNF nuts to make them easier to fit. |
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| Author: | Phil 850 [ Tue Jun 26, 2018 6:37 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
DavidE wrote: Phil 850 wrote: Admittedly I only have a single carb, but I bought Sumer stubby ROE from Supercheap just for working on the mini. Surprising how much easier things are with them. Are you able to point me to what you are referring to here? These ones. http://www.supercheapauto.com.au/Produc ... ece/342530 |
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| Author: | Bill B [ Tue Jun 26, 2018 7:58 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
The nuts used on HS2 (1 1/4) carbs, as said above, are 3/8inch diameter (of the stud) UNF thread and use a 9/16inchAF spanner. I think they are called "half nuts" or "lock nuts". See minispares comment: http://www.minispares.com/product/Class ... 0to%20shop The HS4 carbs use smaller 5/16inch studs that use 1/2 inch AF spanners. These nuts are full sized. |
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| Author: | p7676 [ Tue Jun 26, 2018 10:50 pm ] |
| Post subject: | Re: twin carbies 1970 cs |
good info |
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| Author: | DavidE [ Wed Jun 27, 2018 6:23 am ] |
| Post subject: | Re: twin carbies 1970 cs |
Phil 850 wrote: DavidE wrote: Phil 850 wrote: Admittedly I only have a single carb, but I bought Sumer stubby ROE from Supercheap just for working on the mini. Surprising how much easier things are with them. Are you able to point me to what you are referring to here? These ones. http://www.supercheapauto.com.au/Produc ... ece/342530 Well, I would never have found them from the previous description! |
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| Author: | Mick [ Wed Jun 27, 2018 7:05 am ] |
| Post subject: | Re: twin carbies 1970 cs |
I love the price. I have them mind for other little jobs too. Lower rad bracket bolts, clutch cover, lower engine mounts... |
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| Author: | Scoop [ Wed Jun 27, 2018 8:04 am ] |
| Post subject: | Re: twin carbies 1970 cs |
Stubby spanners can be very handy. The amount of spanners in ones toolbox though: stubby, standard, long ring & open, ratcheting, offset ring, long ring ring. Goes on and on... |
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