| Re: [GMCnet] 455 or 403 in my coach? [message #361613] |
Sun, 10 January 2021 11:37  |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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Count the bolts on the rocker arm covers. If there are 10 per cover, it is
a 455. If there are 5, it's a 403..
Jim Hupy
Salem, Oregon
On Sun, Jan 10, 2021, 9:33 AM Rob via Gmclist
wrote:
> "definitely" might be a bit of a stretch for a 44ish year old GMC!
>
> But it sounds likely that it's a 403.
>
> Rob
> 76 Royale Twin Beds, Dry Bath
> Victoria, BC
>
>> On Jan 10, 2021, at 9:28 AM, twlldeen--- via Gmclist gmclist@list.gmcnet.org> wrote:
>>
>> Don't know for sure what engine is in my rig, did a quick search in the
> archive and unfortunately the "how to tell" link is dead but did come across
>> this
>>
>>> Changeover began on Mar 1st 1977 with TZE167V101285 for GM finished
>>> coaches and TZE337V101287 for Transmodes.
>>>
>>>
>>>
>>> David Lee Greenberg
>>
>> I just found out my VIN is TZE167V101295, so 10 units after the
> changeover to 403? Is this correct, there's definitely a 403 in my 77 Palm
> Beach?
>>
>> I just registered the coach's VIN with the GMC Motorhome Registry and
> found out it was registered a few times before - originally in Tucson AZ
> then
>> Palmer Lake CO 2010 then Bakerfield CA 2014 (where the PO bought it and
> imported it to Canada)
>>
>> Larry
>> --
>> Larry - Victoria BC -
>>
>> 1977 Palm Beach VIN TZE167V101295 - 39,000 original miles so far
>
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