[Healeys] Mystery Thermostat

[healeyguy at aol.com]

HaroldMy workshop manual shows the following:"A non-bellows wax element type thermostat, interchangeable with the bellows type used previously, was fitted from Engine No. 29F/2592 to improve the effectiveness of the car heating equipment."Not sure it that really answers your question.P


-----Original Message-----
From: Harold Manifold via Healeys <healeys at autox.team.net>
To: Ken Fleming via Healeys <healeys at autox.team.net>
Sent: Sat, Apr 17, 2021 4:56 pm
Subject: [Healeys] Mystery Thermostat

<!--#yiv2234804647 _filtered {} _filtered {}#yiv2234804647 #yiv2234804647 p.yiv2234804647MsoNormal, #yiv2234804647 li.yiv2234804647MsoNormal, #yiv2234804647 div.yiv2234804647MsoNormal {margin:0in;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv2234804647 .yiv2234804647MsoChpDefault {} _filtered {}#yiv2234804647 div.yiv2234804647WordSection1 {}-->I trying put together a time line for various types of thermostats used in the 6 cylinder Healey’s. The end goal is to see when the sleeve to cover the bypass opening was dropped and when the alcohol type bellows was replaced with a wax type thermostat.  I found this entry in the service parts manual but can’t find any reference to what  a 11K399 was.  
| Jul-59 | 11K399  Com. (E) 29D-H3079 wax capsule thermostat 68°C. |

  What was an 11K399? Was it a wax type thermostat with a sleeve to cover the bypass?    Harold   _______________________________________________
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