6pack
[Top] [All Lists]

Re: [6pack] Tune up help

To: James_ <jattr6@hotmail.com>
Subject: Re: [6pack] Tune up help
From: Bob Peglow <rpeglow@optonline.net>
Date: Wed, 10 Sep 2014 09:48:23 -0400 (EDT)
Cc: 6 Pack <6pack@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: 6pack@autox.team.net
References: <BLU406-EAS38695F22D95CA7EEDEBCCB480CE0@phx.gbl> <1410243559.27512.YahooMailNeo@web160304.mail.bf1.yahoo.com> <BLU406-EAS142856835AC34C19B68E46980CE0@phx.gbl> <66ecddae.e9dd2.1485bb34582.Webtop.43@optonline.net> <BLU406-EAS7A165BF9DF88A3D0C1E0E80CF0@phx.gbl>
User-agent: Laszlo Mail 3
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
_______________________________________________
Archive: http://www.team.net/archive

6pack@autox.team.net
http://autox.team.net/mailman/listinfo/6pack


<Prev in Thread] Current Thread [Next in Thread>