David
Forgot to add the chokes were disconnected ...
Bob England
> On Aug 13, 2017, at 6:53 PM, Engl <engl at accesscomm.ca> wrote:
>
> David
>
> Compression was good (actually really good!).
>
> I think I tried static timing at 5 degrees if I remember correctly. Dismal
> failure in my first try at static timing. Dynamic at 15 degrees at a bit
> above 750 with a strobe worked much better.
>
> I think these are the numbers I used ... not at home at the moment so I'll
> double check later.
>
> Bob England
>
>> On Aug 13, 2017, at 5:20 PM, David Porter <frogeye at porterscustom.com>
>> wrote:
>>
>> what are the compression numbers? Timing is set at 750RPM and 6 degrees
>> BTDC. Is it better or worse with chokes engaged? DP
>>
>>
>>
>>> On 8/13/2017 3:23 PM, Bob England wrote:
>>> I've had a rough idle in the car since we picked it up in May and it seems
>>> to have gotten worse ever so slightly since then.
>>>
>>> I've putzed around trying the easy stuff and finally got the bullet and
>>> pulled the carbs yesterday (that was fun!) as one of the carb pistons was
>>> sticking ever so slightly. Stripped the carbs except for the throttle shaft
>>> and found the floats were set a bit low. Put it all back together and still
>>> having an issue as she is running quite rich, hence the call for help.
>>>
>>> Car: late '64 build BJ8 MkIII
>>> Carbs : HD8 (I think they were new about 15 years ago - not original to
>>> car).
>>> Cam : Dennis Welch DWR-1 (installed about 15 years ago).
>>> Distributor : stock with Petronix Ignitor (Petronix installed last weekend
>>> in the hopes it would help). New rotor.
>>> Coil : Lucas Sportcoil
>>> Plugs : new Autolite gapped at 25 (installed a couple of weekends ago)
>>> Timing : 15 degrees with strobe (my attempt at static timing was a dismal
>>> failure!).
>>>
>>> I set the carbs as per the manual - 3.5 turns open on the idle trim screws
>>> and 2.5 turn rich on the jet adjusting screw. Fast idle adjusting screw
>>> completely off of the cam lobe.
>>>
>>> The best I can get it is with the jets totally lean (i.e. not sitting on the
>>> cam lobe) and the fast idle screws setting the idle speed. Idle trim screws
>>> backed way out with little impact on idle. Carbs are still running rich.
>>>
>>> I think I have memorized the adjustment procedure from the manuals I read
>>> them so many time - (Bentley, BMC, and Haynes), and Norman Nock's wonderful
>>> collection of papers.
>>>
>>> Should I be going to a leaner needle in the carbs? Or am I just screwing up
>>> somewhere? This is my first attempt at adjusting SU's and I'm not too happy
>>> with what I have done so far.
>>>
>>> Any and all suggestions appreciated (except maybe if I have to yank the
>>> carbs again).
>>>
>>> Thanks in advance.
>>>
>>> Bob England
>>>
>>> _______________________________________________
>>> Support Team.Net http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>> Archive: http://www.team.net/archive
>>> Forums: http://www.team.net/forums
>>>
>>> Healeys at autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/frogeye
>>> at porterscustom.com
>>>
>>>
>>>
>>
>> --
>> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 87107
>> 505-352-1378 Go HERE: my world www.porterbikes.com/
>
|