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TrailblazerSS
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1,317 Posts
Discussion Starter #1 (Edited)
So I've been reading on here and it seems like a better idea to drive around the city with the shifter set on 3. When should I actually put it in drive? I tried it out once and I didn't feel safe going 40mph with the RPM around 2k...

Thanks
 

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07 Silver TBSS
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922 Posts
What RPM are you running on the hwy at 70? I'm at 2500ish... So what's the difference?

D (4th) is just an overdrive gear. When you floor it you go up to 6500 in each gear.
 

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Premium Member
2007 AWD - 3SS TBSS
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2,617 Posts
I'm pretty sure the TC locks up in 3rd.... At least it does with a PCMforless tune....

your RPM should drop below 2,000 (by a couple 100 RPM) when the TC locks up.... even in 3rd going 40...
 
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