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 Post subject: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 9:10 am 
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848cc
848cc

Joined: Fri Jan 01, 2016 5:23 pm
Posts: 130
Location: Austinmer NSW
Hi All,

I have a HS6 carb I want to rebuild and use on the mini when I rebuild the engine. Engine will be 1100 +60 (i think, haven't fully decided yet) and ported 202 head.
I am looking at this kit here: http://www.sumidel.com/shop/item/crk223 but talking to the guys there by email, they couldn't provide me a kit without knowing what vehicle the carby was off.
My guess is they are trying to match jet and needle?

My question here is has anyone here used a HS6 and if so, what jet/needle combination are you using?
I think the jet is 100thou but not certain.

Thanks


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 Post subject: Re: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 10:14 am 
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1275cc
1275cc

Joined: Wed Jan 19, 2005 1:52 pm
Posts: 2582
Location: Brisbane
I started and finished up with an AO6.

Mod edit: should read OA6 (see below)

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 Post subject: Re: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 10:17 am 
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1360cc
1360cc
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Joined: Sun Apr 11, 2004 11:32 am
Posts: 12390
Location: Sthrn HiLoLands, NSW, Australia
ben23f wrote:
Hi All,

I have a HS6 carb I want to rebuild and use on the mini when I rebuild the engine. Engine will be 1100 +60 (i think, haven't fully decided yet) and ported 202 head.
I am looking at this kit here: http://www.sumidel.com/shop/item/crk223 but talking to the guys there by email, they couldn't provide me a kit without knowing what vehicle the carby was off.
My guess is they are trying to match jet and needle?

My question here is has anyone here used a HS6 and if so, what jet/needle combination are you using?
I think the jet is 100thou but not certain.

Thanks


100 thou needle is a Rich on a non-track HS6...on larger engines, SQ is also Rich, C1W is Weak and ST is "standard"...
EDIT: Yellow Spring...

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 Post subject: Re: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 12:30 pm 
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Yay For Hay!
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Joined: Wed Sep 08, 2004 9:27 pm
Posts: 15912
Location: Wodonga - Vic/NSW border
ben23f wrote:
they couldn't provide me a kit without knowing what vehicle the carby was off.
My guess is they are trying to match jet and needle?

My question here is has anyone here used a HS6 and if so, what jet/needle combination are you using?
I think the jet is 100thou but not certain.


that's silly - they should just trust that you know what you're doing... the kit doesn't include a needle so it shouldn't matter

all carbs bigger than 1.5" use a 100 thou needle, therefore the kit must include a 100 thou jet

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 Post subject: Re: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 8:24 pm 
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998cc
998cc

Joined: Fri Aug 30, 2013 8:59 pm
Posts: 1045
Location: Western Sydney
I bought that kit for my HS6.
It is for a left hand bowl, right hand interconnected (throttle lever on the right) as viewed looking at the carby inlet.
My carb has a needle in it and I’ll let the tuner sort out the correct one.

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 Post subject: Re: HS6 Rebuild
PostPosted: Thu Sep 03, 2020 9:21 pm 
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998cc
998cc

Joined: Sun Nov 06, 2005 5:41 pm
Posts: 859
Location: Adelaide
Different cars (jags, rovers, minis, etc) have the SU’s mounted at different angles.
Thus the angle on the float bowl (relative to the main carb body) is different to keep the float bowl level.
Thus the original jets (with hose to bowl) differ depending on this angle.
And then there is left and right SU’s which have left and right jets form the factory.
Thus, if you know the model car / carb they can supply a kit with the correct original style jets.
You can also get generic jets with a longer hose, these work but in my opinion look crap.


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 Post subject: Re: HS6 Rebuild
PostPosted: Fri Sep 04, 2020 9:08 am 
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848cc
848cc

Joined: Fri Jan 01, 2016 5:23 pm
Posts: 130
Location: Austinmer NSW
Quote:
that's silly - they should just trust that you know what you're doing...

I don't really! haha hence asking here :)

Thanks everyone for the input, I have seen there are left/right handed jets, I will have to double check which way mine is.
I have seen somewhere before you can buy the spacer between carb body and float bowl to get the different mounting angles...

Quote:
I started and finished up with an AO6

Do you mean OA6? I couldn't find an AO6...


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 Post subject: Re: HS6 Rebuild
PostPosted: Fri Sep 04, 2020 10:04 am 
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1360cc
1360cc
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Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6743
Location: Melbourne, VIC
ben23f wrote:
I have seen somewhere before you can buy the spacer between carb body and float bowl to get the different mounting angles...

http://sucarb.co.uk/float-chambers-spar ... ptors.html

You can get them locally at SU Midel - http://www.sumidel.com/shop/category/ca ... pare-parts

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 Post subject: Re: HS6 Rebuild
PostPosted: Sun Sep 06, 2020 12:25 pm 
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1275cc
1275cc

Joined: Wed Jan 19, 2005 1:52 pm
Posts: 2582
Location: Brisbane
Yes sorry OA6

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