SU Carb ?

Standard & electronic conversions

SU Carb ?

Postby minormadman » Sun Sep 13, 2015 5:59 pm

Bigger SU 3.JPG
Bigger SU 4.JPG

Hello all .
I had the below carb delivered amongst a gaggle of so called Minor parts, but have not see this sort before.
I am planning to upgrade my 948 (going like a train) but feel the need of more power? So maybe on to a new 1098 which is sitting on the floor in my garage-awaiting a decision. This bigger SU, looks like its been used as a single carb
Any idea exactly what it is please?
Bigger SU 1.JPG

Bigger SU 2.JPG
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Re: SU Carb ?

Postby woodywoodchipper » Sun Sep 13, 2015 6:37 pm

HS4 probably off mini/metro,
you will need the correct manifold as stud pattern is different to minor

good upgrade for 1098,or 1300 correctly jetted,

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Re: SU Carb ?

Postby Panky » Sun Sep 13, 2015 6:54 pm

Yep HS4, I've got one bolted to a 1275 head on my 1098 traveller, goes very well :D
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Re: SU Carb ?

Postby greendefender123 » Mon Sep 14, 2015 2:36 pm

Had one the same on my 1.8 b series marina engine. Same brackets aswell.
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Re: SU Carb ?

Postby MM » Wed Nov 18, 2015 7:23 pm

They usually have a little tag attached to one of the float chamber lid screws, with a part number, e.g., AUC348.

If so, you can look it up and find out which make/model of car it came off. (I have an old SU carbs book which gives info on these, if you get stuck).
Maurice, Kent.
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Re: SU Carb ?

Postby minormadman » Fri Dec 23, 2016 8:23 pm

Hello again...finishing off my immediate research into using this HS4 on my 948.
The engine was rebuilt less than 4,000 miles ago and is a real GEM.
runs very well and is so eager and willing im thinking of calling it Adele's tonsils.
I have already had the two flages engineered exhaust and engine so as to fit in with the exsisting plumbing.
I eagerly await comments from panky as he has been well reommended before getting a rebuilt kit for the carb.
Anyone want to swap an HS2 rebuild kit for this HS4 version.
Any and all additional comments will be fully appreciated to help with BASs new plans.
Regards
Cliff
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