[Healeys] Tri-Carb

Sun Aug 10 16:51:36 MDT 2025

Actually the last BN7 was a center-shift AND a tri-carb. All of the last side-screen roadsters were center shift, be they dual or—later and last as of late 1961–triple carb. But most of the six-cylinder Healeys, including the tri-carbs and center-shift examples, were two-plus-two. Top sources give 355 as the number of two-seat-only BN7s with three SUs. 

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On Sunday, August 10, 2025, 11:14 AM, Bob Spidell via Healeys <healeys at autox.team.net> wrote:

  If I'm not mistaken--which I am a lot--the last of the BN7s were centre-shift but were dual carburettor, making the tri-carb, centre-shift BN7 one of the rarer Healeys. The numbers bandied-about put the production somewhere between the 100S and the 100M, no? I think the cars that came with steel disk wheels were a subset of those; that's why I thought one would be a great car to own.

 bs

 On 8/9/2025 8:32 AM, Harold Manifold wrote:

  Hello All, 
  A Mark II BN7 with a center shift is indeed a rare car. I was looking through the Clausager book this morning and came up with an estimate of how many might exist. 
  The BN7 center shift was introduced in November 1961 and discontinued in March 1962, which means there were only four months of production. In 1962, 129 left-hand drive (LHD) versions were made. If we assume a similar production rate for the last two months of 1961 as the first two months of 1962, the total estimated number would be around 258. This might be a slightly high estimate, as the production rate seemed to increase towards the end of the run. 
  Regards, Harold 

  On Sat, Aug 9, 2025 at 1:14 AM simon.lachlan at alexarevel.plus.com <simon.lachlan at alexarevel.plus.com> wrote:

    Still somewhat of a rarity nowadays though what with rust and lamp posts taking their toll. Don't think I've ever seen one. UK. I've a Mk II BT7.....the two seats in the back are a waste of space and, indeed, the whole area behind the front seats was a waste of space until I made a flat platform to have a luggage shelf in there. (Inspired by a something I read on this site).  Simon  
   From: Healeys <healeys-bounces at autox.team.net> on behalf of Bob Spidell via Healeys <healeys at autox.team.net>
 Sent: 09 August 2025 02:38
 To: Patrick and Caroline Quinn <p.cquinn at outlook.com>; Healeys <healeys at autox.team.net>
 Subject: Re: [Healeys] Tri-Carb     Dunno where I got the 64 number from (maybe got confused with the 640 
 100Ms or hallucinated). Still, a fairly small number which adds a bit of 
 'exclusiveness.'

 'AI' claims that 204 is less than 125:

 https://tinyurl.com/BN7-Tricarb-Centre-Shift

 I'd take Patrick's number as gospel.

 bs

 On 8/8/2025 5:35 PM, Patrick and Caroline Quinn wrote:
 > G'day Bob
 >
 > Mk2 BN7s with a centre shift gearbox were far more common than 64. There were 141 made, of which 12 were RHD and 129 LHD. Five of the RHD cars didn't leave Abingdon as they became Works Rally 3000s.
 >
 > Hoo Roo
 >
 > Patrick Quinn
 > Blue Mountains, Australia
 >
 > -----Original Message-----
 > From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Bob Spidell via Healeys
 > Sent: Saturday, 9 August 2025 3:16 AM
 > To: Healeys <healeys at autox.team.net>
 > Subject: [Healeys] Tri-Carb
 >
 > I stumbled on this on my morning perusal of the web. I own a BN2/100M and a BJ8, and always thought that a tri-carb, center-shift roadster would be a great addition to my 'collection'--given that a 100S is way out of my pay grade--but, at this point just keeping my two Healeys maintained and driven is all I can handle. IIRC, there were only 64 of these cars built with 3 carbs and a center-shift gearbox. Not shown are the wheels but I believe that a few came with steel disk wheels, and not having to maintain three sets of wires would be a benefit IMO.
 >
 > Please note I have no financial interest in this car, don't know the owner, and know nothing beyond what's on the website, but it sure looks like a really nice car (possibly with a recent resto). Benecia is in the north SF Bay Area.
 >
 > https://www.ahexp.com/registry/1962-Austin-Healey-3000-BN7-BN716212.65823/
 >
 > Bob
 >
 >
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