2010 Suburban AWD or 4WD, Confusion ?

j91z28d1 said:

interesting.

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swathdiver said:

I read somewhere once that it was 45 mph but it really depends on your gear ratio.

strutaeng said:

I think top speed is like 20 MPH at engine redline or something like that. So yeah, usually not needed unless you have to.

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swathdiver said:

Denali and Escalade Hybrids got Z95 too if memory serves.

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vcode said:

Not sure the 2 speed case is really that much more popular from what I've seen. That said, for me the most important thing to do to get traction in the snow was to turn the traction control off. Otherwise the T/C cuts in with any wheel slip and dramatically cuts the power. I would not do this on the highway, but slogging around town in deep snow it makes a huge difference. 4 hi does lock up the transfer case, so you really don't want to leave it there on dry pavement.

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swathdiver said:

Denali and Escalade Hybrids got Z95 too if memory serves.

My 9.5" axles came from RWD Escalades, one from an ESV and the other a shorty.

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kirkdc said:

Thanks all. My concerns were not so much about having the 4 low - as most people mentioned its rarely needed. But I was concerned that the 4 Hi was a REAL 4 hi and not some kind of AWD set up...like in the Escalades and Denalis.

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j91z28d1 said:

yeah my 2011 yukon has the z95 shocks.

the older 08/09 hybrid caddy has a 3.42. I always wondered if it was the larger rear end or not. everything else got the 3.08

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PG01 said:

I dunno, i use 4lo often….. View attachment 444011View attachment 444010View attachment 444009

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