[Healeys] carb damper

[Patrick and Caroline Quinn]

Hello Mike

Our 1948 Healey Duncan has no damper and a very heavy steel piston.

Hoo Roo

Patrick

From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Michael Salter
Sent: Saturday, 28 December 2024 4:23 AM
To: warthodson at aol.com
Cc: healeys at autox.team.net
Subject: Re: [Healeys] carb damper

I have a vague recollection that early MGs like TA and TB actually had neither a damper of spring in the suction chamber.  They used a "heavy" piston.

M

On Fri., Dec. 27, 2024, 11:44 a.m. warthodson--- via Healeys, <healeys at autox.team.net<mailto:healeys at autox.team.net>> wrote:
Make sure you have the correct damper cap (vented or unvented) for your application.
Gary Hodson - see below, from an MG website:

Some SUs have a hole in the damper cap, some have a vent in the web at the top of the dome. See the picture. You have to take the damper out to see the hole.

Anyway, you only want one hole per carb, either in the cap or the dome. If needed you can plug the damper cap.

Attachments:
carb1.jpg    10.7 KB
[https://www.mgexp.com/phile/1/495016/carb1.jpg]<https://www.mgexp.com/phile/1/495016/carb1.jpg>


On Friday, December 27, 2024 at 08:08:00 AM CST, Robert Markovich via Healeys <healeys at autox.team.net<mailto:healeys at autox.team.net>> wrote:


I would put brass caps on all SUs even if they didn’t come with them. They look great and should last forever!

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On Thursday, December 26, 2024, 9:46 PM, Alan Seigrist via Healeys <healeys at autox.team.net<mailto:healeys at autox.team.net>> wrote:
Yep, as others have suggested, the damper has blown through the cap.  I'm sure your TC hiccups if you press the gas too hard.

The TC would have a damper with a brass cap, best to get one of those.

On Wed, Dec 25, 2024 at 1:15 AM healeymanjim via Healeys <healeys at autox.team.net<mailto:healeys at autox.team.net>> wrote:
ran into something have not seen before.  cleaning the carbs on an MGTC and discovered there is no damper.  there is a plastic cap and a 3/16 hole approx 1/4 inch deep in top of piston rod.  Moss shows a damper and so does the workshop manual.  any ideas what i have here?
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