Home » Public Forums » GMCnet » 455 Expected Engine Life (Assuming proper care, how many miles?)
| Re: [GMCnet] 455 Expected Engine Life [message #360446 is a reply to message #360418] |
Tue, 01 December 2020 16:21   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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Acceptable oil consumption would be (subjectively) 1 qt. per 1000 to 1500
miles. Any more than that, you have some worn rings, loose intake guide to
intake valve stems, worn piston ring lands, etc. Still ok to run it, but
the handwriting is starting to appear on the shop wall. Might be time to
start saving up some $$$$ for a rebuild.
Jim Hupy
Salem, Oregon
On Tue, Dec 1, 2020, 2:13 PM Mike Kelley via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Agreed Larry - sounds like a typo!
> I am not a mechanic but am convinced top quality maintenance goes a long
> way towards longevity of our engines, etc.
> My Elly is a 76 w/ 455 rebuilt engine, rebuilt trans, 3:21 final drive,
> 227,000 total miles (about 70,000 on the engine rebuild and about 65,000 on
> the tranny rebuild) and runs like a champ.
> I plan to sell her in a few months but only because we enjoy the extra
> room of our “Dream Machine” 76 Glenbrook stretch (2’ at the rear), about
> 14,000 # and runs like a scalded cat, that also has rebuilt 455, rebuilt
> tyranny and 3:21 FD.
> Mike/the Corvair a holic
>
> Sent from my iPhone
>
>> On Dec 1, 2020, at 3:51 PM, Larry via Gmclist
> wrote:
>>
>> roy1 wrote on Tue, 01 December 2020 15:07
>>> I assume you have a 4:10 final if it is in fact a 4:70 you need to tell
> us about it.
>>
>> IIRC, I think he (Doug) has a 3.70 FD. I'm not aware of a FD for our
> coaches that is as steep as a 4.70. I think it is probably a typo.
>>
>> --
>> Larry
>> 78 Royale w/500 Caddy
>> Menomonie, WI.
>>
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455 Expected Engine Life
By: dsmithy on Mon, 30 November 2020 17:59 |
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: 455 Expected Engine Life
By: roy1 on Tue, 01 December 2020 15:07 |
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Re: 455 Expected Engine Life
By: Larry on Tue, 01 December 2020 15:51 |
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
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Re: 455 Expected Engine Life
By: dsmithy on Tue, 01 December 2020 22:44 |
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Re: 455 Expected Engine Life
By: roy1 on Tue, 01 December 2020 23:05 |
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Re: 455 Expected Engine Life
By: Dennis S on Tue, 01 December 2020 15:51 |
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Re: 455 Expected Engine Life
By: JohnL455 on Wed, 02 December 2020 09:34 |
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Re: [GMCnet] 455 Expected Engine Life
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Re: [GMCnet] 455 Expected Engine Life
By: Larry on Thu, 03 December 2020 20:31 |
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Re: 455 Expected Engine Life
By: Larry on Thu, 03 December 2020 20:27 |
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Re: 455 Expected Engine Life
By: Larry on Thu, 03 December 2020 20:41 |
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