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Hello all, I recently purchased an 86 GMC K20 that already has a 6A swap done to it, seems to do really good. I'm looking for basic information on what it's operating temperatures should be. and various part numbers for Glow Plugs, or if someone has a part number list that would be awesome.

I drove it 2 hours home, it has the standard numbered style factory squarebody guage... it ran between the 2nd notch and 210 while cruising down the highway. But when pulling hills it sat on 210 for the most part. Are these acceptable temperatures for this engine? The radiator cap says it's a 16lb, is this correct? would there happen to be a chart to show the directional flow of the water pump for coolant filter installation?

I've did alot of google searching but can't seem to find any information on what the normal operating temperatures of these engines are.

Also if anyone has any general tips on its maintainence schedule that would be great as well. Thanks!
 

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