GMCforum
For enthusiast of the Classic GMC Motorhome built from 1973 to 1978. A web-based mirror of the GMCnet mailing list.

Home » Public Forums » GMCnet » [GMCnet] Did you know your timing mark can MOVE on Olds engines? I didn't.
Re: [GMCnet] Did you know your timing mark can MOVE on Olds engines? I didn't. [message #326310 is a reply to message #326300] Fri, 24 November 2017 14:15 Go to previous messageGo to previous message
Kosier is currently offline  Kosier   United States
Messages: 834
Registered: February 2008
Karma:
Senior Member
Emery,

They called it a generator because that's what it does. AND also because
Chrysler made the first AC generator and patented the word
alternator. The General didn't like to pay royalties to anyone in those
days. Times have changed their attitude.

Gary Kosier
77PB w/500Cad
Newark, Ohio

--------------------------------------------------
From: "Emery Stora"
Sent: Thursday, November 23, 2017 11:49 PM
To:
Subject: Re: [GMCnet] Did you know your timing mark can MOVE on Olds
engines? I didn't.

> That’s all right. GMC also calls an alternator a generator or motor
> generator. Just look it up on out parts book or maintenance manual.
>
> Emery Stora
>
>> On Nov 23, 2017, at 9:38 PM, Richard Denney wrote:
>>
>> They couldn't agree whether it to call it a "dampener" or "damper", so
>> they
>> compromised on a word they could all agree was wrong, "balancer".
>>
>> Rick "it's 'damper'" Denney
>>
>> On Thu, Nov 23, 2017 at 10:18 PM Rob Mueller
>> wrote:
>>
>>> Bob,
>>>
>>> Looks like Olds parts guys didn't agree with you.
>>>
>>> :-)
>>>
>>> Parts Book 78Z Page 8-4
>>>
>>> ENGINE
>>>
>>> 8.005 CYLINDER BLOCK, CRANKSHAFT AND OIL PAN (Cont.)
>>>
>>> Key 230 260 Part Number
>>> 22 1 1 400133 BALANCER ASSY.-crankshaft (1973)
>>> 22 1 1 417142 BALANCER ASSY.-crankshaft (eff. w/1974)
>>>
>>> Regards,
>>> Rob M.
>>> The Pedantic Mechanic
>>> Sydney, Australia
>>> AUS '75 Avion - The Blue Streak TZE365V100428
>>> USA '75 Avion - Double Trouble TZE365V100426
>>> USA '77 Kingsley - TZE 267V100808
>>>
>>>
>>> -----Original Message-----
>>> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Bob
>>> Dunahugh
>>> Sent: Thursday, November 23, 2017 7:40 PM
>>> To: gmclist@list.gmcnet.org
>>> Subject: Re: [GMCnet] Did you know your timing mark can MOVE on Olds
>>> engines? I didn't.
>>>
>>> It's not a balancer as commonly referred to. But a harmonic dampener.
>>> It's
>>> used to reduce the harmonic that occur at certain RPM
>>> ranges in the crankshaft of internal combustion engines. That's why the
>>> outer steel mas is mounted on rubber. Run without one. The
>>> crank will break. ( GENERALLY ) The heavier the crank. The larger the
>>> damping mas. Bob Dunahugh
>>>
>>>
>>> ________________________________
>>> From: Bob Dunahugh
>>> Sent: Wednesday, November 22, 2017 6:01 PM
>>> To: gmclist@list.gmcnet.org
>>> Subject: Did you know your timing mark can MOVE on Olds engines? I
>>> didn't.
>>>
>>>
>>> When I went to set the timing to the proper 8 degrees of advance. It
>>> ran
>>> terrible. Called Ken Henderson. He said that the outer
>>> part of my harmonic dampener had rotated. I DID NOT know that the Olds
>>> unit could do that. I was aware of other engine. So if at
>>> some time your timing was set to a moved mark. It could be affecting the
>>> timing. Thus reducing mileage. I'm thinking that I may
>>> have set my timing retarded the last time due to this. There are
>>> indexing
>>> marks that GM did when new. New one is $42. Bob Dunahugh
>>> 78 Royale
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>>>
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>>
>> --
>> Rick Denney
>> 73 x-Glacier 230 "Jaws"
>> Off-list email to rick at rickdenney dot com
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>

_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [GMCnet] AC spark plug for our 78 403
Next Topic: [GMCnet] K&N / Edelbrock Air Filter?
Goto Forum:
  


Current Time: Wed May 15 04:59:09 CDT 2024

Total time taken to generate the page: 0.01137 seconds