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what year did GMC go to using a computer brain to run the truck?

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  #1  
Old 01-16-2010, 07:10 PM
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Default what year did GMC go to using a computer brain to run the truck?

looking at buying an 85 K2500 but need to know if this year truck is still pre computer run... I believe it is but figured I would ask to be sure... Thanks
 
  #2  
Old 01-17-2010, 12:03 AM
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Not sure what year but the only thing they were used for back in those days were for emissions.
 
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Old 01-17-2010, 08:34 AM
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I've got a computer... barely, and it's a 92. I don't think you should worry too much about it on an 85... It's probably been removed or broke anyways

Just curious, but why would you like to know?
 
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Old 01-23-2010, 12:34 PM
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I have read since I posted this that 87 was probably the start of computer-brain with efi... if that is correct...

I prefer 73-79 K20-K2500 chev-gmc trucks but they are getting tougher to find with the AC working,so I might have to buy a newer truck but I'd rather not cuz I prefer the older 14 bolt rear ends and they stop being used in 82...

I can swap in my old housing but I'm trying to find a truck with a 3:73 ratio,my current housings are 4.10's... Need a truck with a 4 gear and the 3:73's as I plan on using it on the road-gas mileage for a few years and then make into a new wood truck... then buy a new one,well maybe...

I just feel better with a older less complicated truck and of course they are cheaper to purchase as well... they are easy to work on as well... and very dependable...
 
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Old 01-31-2010, 06:46 AM
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i'm pretty sure they went to efi in 88 so you should be fine
 
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Old 02-01-2010, 08:53 PM
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Engines were not computer controlled until the 1988 model year.
 
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Old 02-02-2010, 05:13 AM
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The 87's in the old body style had TBI though...
 
  #8  
Old 02-02-2010, 07:23 AM
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Oh? It must have started then. Whenever they switched to TBI.
 
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