LSA

Non-repair car talk
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kevm14
Posts: 15688
Joined: Wed Oct 23, 2013 10:28 pm

LSA

Post by kevm14 »

lsa_chart_cadillac.jpg
Going by eye, I see 400 lb-ft @ 1250rpm. That's 5 lb-ft more than my car at its peak. At 1250 rpm. Let that sink in.
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kevm14
Posts: 15688
Joined: Wed Oct 23, 2013 10:28 pm

Re: LSA

Post by kevm14 »

This is old but John Heiricy takes Garage419 on a test drive of the then-new 2009 CTS-V.

https://www.youtube.com/watch?v=fB8ibDrfmA8

John is the director of GM's performance division and set the 7:59 Nurburgring time in an automatic CTS-V. At the time it was the fastest official time for a production sedan.

The beginning is a bit of fluff but the track segment is what made me post this (also his "more torque at idle" comment is why I looked up the curves above). Take a look at how he can put the power down out of corners in 3rd gear and even 2nd gear, with not a single electronic nanny turned on, and there's no drama. No sliding, no spinning, no squealing. Also, he does some no-lift shifts which hardly seems necessary unless you are looking for the last tenth of a second lap time. The car also seems pretty stout as it was apparently lapping all day, even on stock pads. Plus that no-lift 3-4 shift shock seemed a little brutal. Cast iron rear diff....unlike my aluminum housing.
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