Hi all
What are the pros and cons for the HS6 versus the HIF44.

In essence they are the same, however the HIF series is a newer generation than the HS series...
Keith Calver recommends the HIF44 over the HS6 ...


Edit: Some detailed notes from Keith Calver... http://www.minispares.com/Article.aspx?aid=355

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1975 Hairy Lime/White Clubby
Build Thread: http://www.ausmini.com/forums/viewtopic.php?f=3&t=80657

the central float bowl comes to mind as one improvement

But Graham Russell reckons it's too small.
They also have that POS bimetal strip thingy in them, it's hardly an improvement.
Hmmmm..... I'll take an HS6.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Yeah I reckon I'll take twin 1.25s...on no not again the thread direction changes slightly!

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1964 Morris 850, 1330 Supercharged - 81.8hp atws.
1975 Leyland Mini S 1100S powered - Nice and reliable.
1977 Leyland Mini LS - Project LS-T

i have a hs6, i havent put it on because i dont have a suitable manifold, only a cut one.
that and i'll need to retune, reneedle

since we rebuild Morris engine back 4 years ago we ut the HIFF44 on after a rebuild..we played around with the needles and have not touched it since.

Love it and its all in one

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Stop Licking the Dog...I Don't Care Who Started It

People I talk to always reccommend the HS6 over the HIF44.

Some of those people agree that a twin float bowl setup is the only improvement / modification required (one on each side of the carby)

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[NATHAN] -- Sold everything mini related and am back in big beautiful BMWs

why do they recommend the hs6 over the hif44?

What's the "issue" with the bi-metal strip. It is supposed to ensure that the mass flow rate of fuel is constant irrespective of the temperature (hence density) fluctuations. It appears to work on my car but then I don't explore the performance envelope.

What does it do wrong Doc? (not taking piss, just don't know the problems & need educating)

M

Well the Midas has a HIF on it and it seems to be fine, the other week driving down to Wakefield and back I got 6.6 litres per 100 klms sitting between 110-120 kph and it pulls good and strong on the road oh and it is nice a quiet to( I must be getting old ) so for a road car I reckon not a problem

Jon

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Roundies and Clubbies(except vans) are both ugly that is why I have Midas and a van
1293 Mini Midas Bronze,1275 Clubman van

come on doc tell us whats wrong with the bi metal strip i meanon all the cars the HIff series was put onto in the 70's i still havent seen a faluire yet.
Also hs6 where do you get the elbow to suit a std filter housing for it??????
I have had this hassle in the past and it drives me insane due to the hif44 and the hs6 having different backs on them.

I have both and still prefer the Hif44 due to its sensitivity and accuracy, never had any other problems with it and no flat spot when hard out cornering.

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www.minicranks.com add me to your watch list and come back again soon, under construction.

Well I admit I'm not a HIF tuner (they were never ever sold here, and are still rare in my book).
The bimetal strip `problem' originated on Minis with turbos, it's related to the heat environment the carb operates in.
It leans it out when not wanted, so they say.
Kazjim here and others on the UK forums had this prob, there are plans there on how to make a solid replacement.

If I run an HS6 (I now intend to, on nursemini's 1412 stroker) it'll get a Ramflo with Unifilter foam, and either a bespoke stubstack, or carb's mouth radiused.... no elbow needed.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

ah turbo the heat source. not on a naturaly aspirated mini.
ok just wanted to know as i know there are a few ways around it.

As for the elbow i still need one to fit a std type metro housing to it as i would like the motor to look as std as possible.

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www.minicranks.com add me to your watch list and come back again soon, under construction.

I has all sorts of problems trying to get a trumpet/ram tube whatever you want to call it for an HS6. Ended up going through www.canleyclassics.com
They're actually a triumph specialist so may be able to help.