[Rovernet] 2000TC HD8 Float Adjustment

[Steven Dibdin]

Burlen (the guys who still manufacture SU carbs) has the original manuals
for setting up the carbs. Here's the first page of the HD manual, click
next at the bottom of the page to scroll through.

http://sucarb.co.uk/technical-hd-type-carburetter-diaphragm-jet-and-auxiliary-enrichment

Best,

Steven

On Thu, Apr 20, 2017 at 6:00 PM, Ben Saunders via Rovernet <
rovernet at rovernet.org> wrote:

> Tom there is a good SU book out there that tells how to adjust the HD's.
> They are quite different from the other SU's.
>
> Ben
>
>
> On 04/20/2017 01:24 PM, Tom Rymes via Rovernet wrote:
>
>> Odd. I thought that the pistons were different, too. I must have been
>> mistaken.
>>
>> Tom
>>
>> On Apr 20, 2017, at 11:54 AM, Vern Klukas via Rovernet <
>>> rovernet at rovernet.org> wrote:
>>>
>>> The only significant functional difference is Rover had the idle bypass
>>> & idle screw removed from the TC’s HD carbs.
>>>
>>> Yours
>>> Vern
>>>
>>>
>>> On Apr 20, 2017, at 9:35 AM, Tom Rymes via Rovernet <
>>>> rovernet at rovernet.org> wrote:
>>>>
>>>> Thanks, Vern. I just wanted to confirm that the Rover did not have a
>>>> special measurement, as these HD8s differ fairly significantly from the
>>>> others I have seen (even the one on my P5!).
>>>>
>>>> On Apr 20, 2017, at 11:21 AM, Vern Klukas via Rovernet <
>>>>> rovernet at rovernet.org> wrote:
>>>>>
>>>>> Hi Tom
>>>>>
>>>>> The bowls do have a vent, the little bolt that holds the cover on has
>>>>> a hooded washer with ribs that creates a vent.
>>>>>
>>>>> Float level is set by putting a 7/16 drill bit between the float
>>>>> needle valve lever and the bowl cover. With the lever pressed against eh
>>>>> drill bit, the needle valve should be sealed.
>>>>>
>>>>> I’ve put a pic up at www.vvk.ca/RoverFloat/ <
>>>>> http://www.vvk.ca/RoverFloat/>
>>>>>
>>>>> Yours
>>>>> Vern
>>>>>
>>>>>
>>>>> On Apr 19, 2017, at 6:56 PM, Tom Rymes via Rovernet <
>>>>>> rovernet at rovernet.org> wrote:
>>>>>>
>>>>>> Hey all,
>>>>>>
>>>>>> I want to double-check the float height on the HD8 carbs on my
>>>>>> 2000TC. Section N in the workshop manual I have lists data for the single
>>>>>> HS6 carb on an SC car, but nothing for the HD8s on an early TC.
>>>>>>
>>>>>> I can google it up for other cars that also run HD8s, but I thought I
>>>>>> would ask here to confirm what measurement I should be using.
>>>>>>
>>>>>> Also, I noticed that the fuel bowls have no overflows or vents. Does
>>>>>> that mean that a bad needle valve or Grose jet will result in fuel being
>>>>>> pumped into the intake? Or have I missed something?
>>>>>>
>>>>>> Many thanks,
>>>>>>
>>>>>> Tom
>>>>>> _______________________________________________
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