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Old 05-26-2009, 02:03 PM
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revorg revorg is offline
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Engine year? Help !!!

I dont know the year of the engine that I have in my 85 GW I changed it out and dont remember what year it is could someone point me in the right direction to cifer the numbers ??

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Last edited by revorg : 05-26-2009 at 02:13 PM.
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Old 05-26-2009, 03:28 PM
joe joe is offline
 
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Look on the main page under Tech Library, scroll down to Engine and engine Electrical.
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Old 05-26-2009, 04:55 PM
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What are you needing to do to the motor? There really isn't that much difference as far as bolt on parts are concerned. About the only difference I can think of is the lower compression ratio of the 80's rigs.
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Old 05-26-2009, 06:00 PM
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If the intake is original to the engine, there is a casting date directly in front of the carb.
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Old 05-27-2009, 10:32 AM
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revorg revorg is offline
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I found the info in the tech library but it don't seem right it tells me
that hte engine I have was made 10/15/79 but it had a plastic POS
valve cover on it did they start putting them on that early ?
The intake is off the oridiginal engine so that don't help. What I am
needing to do is rings and bearings and need to know if they are different
from year to year so I don't have to trust the counter guy at the parts store !
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Old 05-27-2009, 01:24 PM
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Not for sure on the 258, but the v-8s had the years cast into the heads under the valve covers.
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