Cold-Engine Redline - 2014 Chevrolet Corvette Stingray Long-Term Road Test

2014 Chevrolet Corvette Stingray Long-Term Road Test

2014 Chevrolet Corvette: Cold-Engine Redline

November 22, 2013

2014 Chevrolet Corvette

Hey, that's neat. Our long-term 2014 Chevrolet Corvette has a cold-engine redline indicator. See it there around the outside edge of the tach?

This isn't the first car to have such an indicator, but I always appreciate these things. Not because I would otherwise beat on the car when stone cold, but because other buyers do. Maybe, just maybe, the cold-engine redline indicator will prevent someone from being a bonehead.

That said, you should see some of the thermal shock testing that OEMs conduct on modern engines. It's crazy. They run the engine on an engine dyno at full load, full power, at max coolant temp. Then they activate a valve and flood the cooling system with ice cold water. Yes, while still running at full power. Then they switch back to full-hot water. And repeat this over and over.

On second thought, maybe I'll just wood it as soon as the engine catches.

Jason Kavanagh, Engineering Editor


  • noburgers noburgers Posts:

    on the other hand, you guys did burnouts on an engine that wasn't broken-in yet.

  • duck87 duck87 Posts:

    Sweet, a "cover your [non-permissible content removed] from litigation"-ometer. RE: deep thermal shock tests, these are really extreme... nobody in the real world drives at WOT with an engine at -20 deg coolant temps. It's a pretty good way to stress seals and gaskets.

  • dscain dscain Posts:

    Of course, now that everything's electronic, wouldn't it be cool if the main redline indicator adjusted to engine conditions?

  • farvy_ farvy_ Posts:

    I don't think this feature is there solely due to coolant temp issues. It will also help with oil temp & oil pressure. If someone starts a cold engine & floors the throttle, I'm not worried about the coolant temp. I'm worried about not having proper oil lubrication throughout the engine. Capping the engine rpm is this situation will help prevent engine damage due to lack of oil.

  • greenpony greenpony Posts:

    So is this a bonafide variable rev limiter, or barely-noticeable guideline that puts no limit on driver stupidity?

  • noburgers noburgers Posts:

    I'm enjoying the Vette posts much better than the Dart posts

  • legacygt legacygt Posts:

    I like the "orange" and "yellow" sections as well. Note to GM and other manufacturers of the future. This is a great feature for a virtual display. The redline could actually appear at different RPM based on engine temperature.

  • cobryson cobryson Posts:

    I believe my father's 2007 BMW 5-series has a moving redline depending on engine and external temperatures, using a little skinny LCD that runs around the edge of both the speedo and tach. See here, look down by the fixed redline and you can see what I mean: It also marks the cruise control set speed this way, which seems like a pretty elegant solution.

  • joefrompa joefrompa Posts:

    This feature is great and I have it on my 2001 m5.

  • If you rev the engine past the "cold" redline will the driver info center give you the "ENGINE OVERSPEED" warning? Many GM cars give you this warning if you rev the engine past redline.

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