[Healeys] BN2 H4 SU rebuild

ggilliam at usol.com ggilliam at usol.com
Sat Nov 11 07:06:25 MST 2017

Thomas Bryant in Maine sells teflon O-ring sets for the  SU carbs, very 
reasonable cost...just google him...
  I used them, no leaks!

Longbridge BN4

On 2017-11-10 13:10, A H List wrote:
> Hi Mike,
> There are Teflon orings available to replace the cork- you will
> eliminate the fuel leaking from the jets completely that way. McMaster
> sell them for a few dollars, two go in place of each cork ring (four
> total) and no more leaks.
> https://www.mcmaster.com/#9559k15/=1a73gao
> Also, if you don't have one, get yourself a jet aligning tool. Moss
> sells a kit with a jet wrench and aligning tool for a few dollars,
> well worth it. The problem is that the carb body indents where the
> last jet was tightened up and when you tighten the new jet up it will
> tend to want to slip into the old location. The jet tool is a rigid
> bar that holds the jet in the correct position while you tighten the
> nut.
> Andy.
> On 11/10/17, josef-eckert at t-online.de <josef-eckert at t-online.de> wrote:
>> Hi Mike,
>> soak the cork jet seals in engine oil for at least one day before you 
>> fit
>> them. Do the fit and centreing of the jets carefully. It a little 
>> fiddle,
>> as you need to fit the damper and damper domes first before. Then 
>> check the
>> move of the damper and to hhear a "plop" when it reached the down 
>> position.
>> Adjust the float level correctly, use a 11mm drill.
>> Josef Eckert
>> Konigswinter/Germany
>> -----Original-Nachricht-----
>> Betreff: [Healeys] BN2 H4 SU rebuild
>> Datum: 2017-11-09T22:39:38+0100
>> Von: "mike brooks" <hypercubic at yahoo.co.uk>
>> An: "healeys at autox.team.net" <healeys at autox.team.net>
>> Just got the two H4 SU carb bodies back from Burlen after they have
>> rebushed the throttle spindles and fitted new spindles and discs. I'm 
>> doing
>> the rest of the rebuild myself, using Burlen's rebuild kits. Does 
>> anyone
>> who's done this themselves have any tips or tricks for me?
>> Thanks
>> Mike Brooks
>> '56 BN2
>> Scotland
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