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Austinsevenfriends › Austin Seven Friends Forum › Forum chat... v
Zenith Carb

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Zenith Carb
bobthompson Offline
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#1
19-11-2020, 07:05 PM
Can anybody tell me what model a Zenith 30 VM-5 was fitted to please?
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Ruairidh Dunford Offline
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#2
19-11-2020, 07:27 PM
I think this is from an Austin Twelve made just before and after WW2 Bob.
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JonE Offline
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#3
19-11-2020, 07:42 PM
and later factory replacement for the Nippy 30 VEI carb.. depending on which C number - quite a few different ones....
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Ian Williams Offline
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Car type: 36 Nippy, 31 RM, 38 Special, 24 Works Rep
#4
19-11-2020, 09:20 PM
A 30 VM-5 can be made to work very well on a 7 with the correct jetting Bob
Black Art Enthusiast
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bobthompson Offline
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#5
19-11-2020, 09:57 PM
It was fitted to my Ulsteroid when I bought it - I was told it was a "Nippy carb". I changed it for an SU, so it is now surplus.
Where do I find the "C" number JonE?
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JonE Offline
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#6
19-11-2020, 09:59 PM
just keep looking - it's not that big!

https://aus7in.wordpress.com/2016/07/19/...burettors/
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bobthompson Offline
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#7
19-11-2020, 10:09 PM
Wow! Thanks - that's some bedtime reading then! I'll have another look for C numbers tomorrow.
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12jslater Offline
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#8
20-11-2020, 09:41 AM
I have a vm-5 fitted to my big seven which should be the original carburettor
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charlie carpenter Online
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#9
20-11-2020, 09:46 AM
The vm5 with an extra acceleration jet is standard on Austin Somersets I have one on my coupe.
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bobthompson Offline
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#10
20-11-2020, 02:59 PM
Thanks to Jon E's info I can now ascertain that I have a 30VM-5 C 855 A, also marked 8HP
This would appear to have been fitted to late Nippys.
Mystery resolved - unless you know better...........!!
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