Seems timing and advance are in the ballpark.
What are the running/performance symptoms now?
Bob
On Tue, Sep 09, 2014 at 09:28 PM, James_ wrote:
> Ok. So I sent the timing at 12 BTDC with emission vacuum hose
> disconnected and taped to cover hole. Dwell is actually dead on 40.
> Rechecked points. They are .015inch
>
> There is barely any wobble to the dizzy. Tiny bit. Timing is at around
> 4 BTDC but it isn't super steady. Bounces a bit. The RPMs are at
> 1200-1400.
>
> Maybe now I need to go to the carbs and idle screws.
>
> bSent from my Atari 2600b
>
>> On Sep 9, 2014, at 11:35 AM, "Bob Peglow" wrote:
>>
>> Hi James,
>> When you connect dwell meter make sure it is set for 6 cylinders.
>> Try looking at engine RPM on the meter. If it closely matches your
>> car tachometer RPM the meter is probably working correctly.
>> Switch the meter to the dwell setting and you should see reading of
>> 35 or so.
>> Dwell affects timing. If the dwell is 35 +or- 3 degrees you are in
>> the ball park.
>> Others may jump in with setting opinions.
>> Good luck.
>> Regards,
>> Bob
>>
>>
>>> On Tue, Sep 09, 2014 at 01:23 PM, James_ wrote:
>>>
>>> Thanks.
>>> So I set the timing last night and retarded it down to around 8 it
>>> was higher (12?). I think it is BTDC, but I forget which is which.
>>> Hah. That's a problem, huh? I was trying out the timing last night
>>> and it was probably set fine. So do I disconnect and plug the vacuum
>>> tube or not? I guess I'll try to plug it and set to 12 BTDC. I think
>>> it may have been close to that and then with vacuum connected again
>>> would retard to around 4 degrees. Hmm.
>>> Carbs were rebuilt (by me) and fresh Diaphragms.
>>> Anyone use a device to measure points, dwell, etc? I bought one but
>>> that may be specific to American cars. I guess I could have the
>>> dizzy rebuilt. I dread placing it back in. I recall that being a
>>> pain in the past. What is the opinion of the petronix (?) thingy? I
>>> am guessing that replaces the points? Thanks so much!
>>>
>>> bSent from my Atari 2600b
>>>
>>>> On Sep 8, 2014, at 11:19 PM, "Sally or Dick Taylor" wrote:
>>>>
>>>> When you write that you set your timing at "8 degrees" I can't tell
>>>> if you mean before or after TDC. I believe the manual suggests that
>>>> the ignition timing be set at 4 deg. ATDC, when the vacuum retard
>>>> line is connected. If you set yours at 8 deg. ATDC, then your
>>>> timing is retarded too far. It should run that way of course, but
>>>> the timing will be retarded even when the retard feature "goes
>>>> away" like when you open the throttle. I suggest doing what many do
>>>> here, and that is to plug the vacuum line that goes to the
>>>> distributor, then set the timing at 12 deg. BTDC, as in Before top
>>>> dead center. You'll want the engine idle speed to be as close to
>>>> 800rpm as you can get it using the carb idle screws, as any engine
>>>> speed more than this will start bringing in the mechanical advance
>>>> that can change the result. Reconnect the vacuum retard line, if
>>>> you wish. The result of reconnecting the vacuum retard will slow
>>>> the engine idle speed down some. If it is then idling too slow,
>>>> speed it up by
> u
>>> sing the carb idle screws.
>>>>
>>>> Watch the timing marks on your front pulley to be sure they go
>>>> higher as the engine revs go up. If the highest mark is 24 on your
>>>> pulley, speeding up your engine past 2500 rpms should take it
>>>> beyond this mark.
>>>> There is nothing inherently wrong with the 1976 TR6. More original
>>>> emission controls, but it's still possible for your engine to run
>>>> well.
>>>> Dick
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