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Hs4 Hif44 Or Twin 1 1/4" Carbs?


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#1 TheOldOne

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Posted 25 July 2012 - 07:04 PM

Hi all
Changing engines shortly from 1098 to Metro 1275(89 model with electronic dizzy)
Standard engine no mods except lcb and k&n filters
Which carb would be most suitable? (I have all 3 to choose from)
Also is the pre verto clutch more preferential to the verto as fitted to the Metro?
All views much appreciated.

Tony

#2 freshairmini

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Posted 25 July 2012 - 07:10 PM

well the 90's cooper minis had HIF44's on them. so i would sugest HIF44 purely because one is on mine being an RSP. works well, plus I think the metro's had HIF44's I think, could be wrong tho :D

#3 AVV IT

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Posted 25 July 2012 - 07:17 PM

Either, it's just a matter of personal preference. The HIFF 44 will certainly be easier to set up and maintain, whereas the twins will require balancing and be a little more work. Twins are supposed to give a livelier throttle response than a single carb does though, plus you really can't beat the look of them when it comes to under bonnet aesthetics either!!

#4 oltonlad

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Posted 25 July 2012 - 07:40 PM

twin carbs will give you more torque over a single carb and once they are set up they will need little or no maintenance plus they look the business under the bonnet, thats why i use them.

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#5 TheOldOne

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Posted 25 July 2012 - 07:47 PM

Which needles would you suggest for the twins?
Also verto or pre verto?

Tony

#6 oltonlad

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Posted 25 July 2012 - 07:51 PM

Which needles would you suggest for the twins?
Also verto or pre verto?

Tony


for a 1275 i used to use 'M' needles which worked fine, i would use the pre verto clutch as it is a bit lighter than the verto.

#7 TheOldOne

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Posted 25 July 2012 - 08:25 PM

Thanks for the quick replies

Tony

#8 Guest_minidizzy_*

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Posted 25 July 2012 - 11:39 PM

The HIF44 was standard on RSP and Mainstream Cooper models but the John Cooper 'S' conversion, like on my RSP, replaced it with twin 1 1/4" carbs as part of a number of upgrades.

Edited by minidizzy, 26 July 2012 - 10:46 PM.


#9 firefox

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Posted 26 July 2012 - 10:33 PM

http://www.theminifo...hs2-you-choose/

I went for the twins as explained it is also the grin factor


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Edited by firefox, 26 July 2012 - 10:34 PM.





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