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

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89Suburban

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What do you guys think of these?


 

swathdiver

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What do you guys think of these?


That's cool. My Lucas grease gun doesn't leak though.
 

RooTBeeRthe1st

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Washed it, armorled the tires, fill the tank a number of times, looked at how bad those new pins stripes really are.
Parts for the first computer I built in almost 20 years...Ran out of time to finish it today.
Drove her 130 mi up to Santa Barbara.
I think I averaged 9.6-10mpg on e75... There was a fair amount of traffic and some wide open pools for no reason other than I like it. Lol raised the limiter to 7000 a couple weeks ago, you can really feel the power drop off if you actually take it up that high.
 

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RooTBeeRthe1st

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You'll really feel it drop off when it slings a rod.
The Whipple tune has the limiter set at 6500, so I figured the bottom end should be fine, it's the valve springs and valve train that would be holding it back, there's no reason to do it right now, just got sick of hitting the limiter that I had set to 6,000 previously.
 

iamdub

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The Whipple tune has the limiter set at 6500, so I figured the bottom end should be fine, it's the valve springs and valve train that would be holding it back, there's no reason to do it right now, just got sick of hitting the limiter that I had set to 6,000 previously.

Interesting! Does Whipple recommend upgraded valve springs, like to those from an LS6? I still wouldn't subject it to 6000+ very much on stock rod bolts.
 

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