MGB & GT Forum
SU HS4 Choke pivot distance spring
Posted by nzimmers
Topic Creator (OP)
Dec 9, 2016 03:05 PM
Joined 12 years ago
565 Posts
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Hi folks,
There's several versions of HS4's used on MGB's and I've noticed on the last couple of carbs that I rebuilt that there were some changes in the choke assembly - the earlier ones have a spring spacer while the later ones have a distance piece (really thick washer) see pics below. Anyone know where I can find more of the spring type?
Here's the early type showing the spring spacer:
And here's just the spring spacer:
Later sets use a distance washer instead:
There's several versions of HS4's used on MGB's and I've noticed on the last couple of carbs that I rebuilt that there were some changes in the choke assembly - the earlier ones have a spring spacer while the later ones have a distance piece (really thick washer) see pics below. Anyone know where I can find more of the spring type?
Here's the early type showing the spring spacer:
And here's just the spring spacer:
Later sets use a distance washer instead:
dickmoritz
Dick Moritz
Philly 'burbs, PA, USA
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Dec 9, 2016 03:10 PM
Top Contributor
Joined 14 years ago
26,272 Posts
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Those are "double-coil" washers, also called Thackery/Thackary washers. They're in the Moss catalog in different sizes, in the Hardware section...
Commonly used under the heads of the three special shouldered bolts that secure the retaining ring for the large pivot ball for MGB gearsticks...
Dick
Errabundi Saepe, Semper Certi
(Often wrong, but always certain)
Commonly used under the heads of the three special shouldered bolts that secure the retaining ring for the large pivot ball for MGB gearsticks...
Dick
Errabundi Saepe, Semper Certi
(Often wrong, but always certain)
Topic Creator (OP)
Dec 9, 2016 03:44 PM
Joined 12 years ago
565 Posts
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In reply to # 3409264 by dickmoritz
Those are "double-coil" washers, also called Thackery/Thackary washers. They're in the Moss catalog in different sizes, in the Hardware section...
Commonly used under the heads of the three special shouldered bolts that secure the retaining ring for the large pivot ball for MGB gearsticks...
Dick
Commonly used under the heads of the three special shouldered bolts that secure the retaining ring for the large pivot ball for MGB gearsticks...
Dick
Wow! thanks for the answer! much appreciated =)
Dec 9, 2016 09:20 PM
Top Contributor
Joined 13 years ago
32,669 Posts
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You mean #45 here?
Mk1: CKD 11/66 first registered 8/5/67; owned since 3/77. 18GB +40 balanced. Peter Burgess BVFR head. Piper 285. 123. FidanzaFW. 4synch c/r box. Lots more as I did a nut and bolt rebuild; finished 2015. Tartan Red.
GT: December '78. VW Golf guards, flush fit front and rear valances. Torana XU1 vents, frenched indicators & Mk1 rear lights. 'Worked' Rover V8 with Monsoon ECU for EFI. GM4L60E, Lokar tiptronic & Quick4 controller. Vintage Air A/C. FC IFS. CCE 4 link rear. Salisbury with Quaife. Jaguar Storm.
Mk1: CKD 11/66 first registered 8/5/67; owned since 3/77. 18GB +40 balanced. Peter Burgess BVFR head. Piper 285. 123. FidanzaFW. 4synch c/r box. Lots more as I did a nut and bolt rebuild; finished 2015. Tartan Red.
GT: December '78. VW Golf guards, flush fit front and rear valances. Torana XU1 vents, frenched indicators & Mk1 rear lights. 'Worked' Rover V8 with Monsoon ECU for EFI. GM4L60E, Lokar tiptronic & Quick4 controller. Vintage Air A/C. FC IFS. CCE 4 link rear. Salisbury with Quaife. Jaguar Storm.
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