What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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sonic_the_hedgeh

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I did change all the drivetrain fluids last year as well, on top the rad was flushed. Added some supercooler additive and that helped lower Temps by about 15 degrees. It's a 2004 denali with 348,000 km's and running fine. I also just put the regular size all terrain tires on. Thanks guys.

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sonic_the_hedgeh

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Yes I think the stock thermostat is 195 sounds right. I work at a parts desk sounds right

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iamdub

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@iamdub what rear coil spacer did you use?

Belltech calls it a "Spring distance kit". BT part number 35323.

https://www.amazon.com/Belltech-35323-Spring-Distance-Kit/dp/B00HWOKLUQ


And does anybody know if the Z71 rear coil does same thing as a 1” spacer?[/USER]

I thought the Z71 was 1.5" higher than the regular ones? Regardless, stock spring plus spacer or longer spring and no spacer will all provide lift. The different springs may alter the ride quality a little, but probably nothing significant or negative.
 
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