[Z06] missed shift damage?
Thread Starter
Intermediate
Joined: Apr 2004
Posts: 47
Likes: 0
From: Navarre Beach FL
missed shift damage?
Missed a shift from third to 4th at about 90mph and hit 2nd for just a half a second. What damage should I look for- No engine tapping or anything yet but I am very concerned. Any opinions?
Intermediate
Joined: Aug 2002
Posts: 48
Likes: 0
From: Somewhere MD
Originally Posted by dragon84
I think we all have done something to that effect one time or another haha. Your rev limiter would have kept you from doing any damage.
I've seen bent pushrods on early LS1's from this. Theoretically if you over-revved really badly (say, putting the car into 1st car at 170mph), you'd probably see connecting rods and block fragments fly through the hood.
Le Mans Master
Joined: Sep 2004
Posts: 5,707
Likes: 4
From: Los Angeles
Redline into 3rd is about 75mph. So 90mph in 2nd is probably 7200rpm. 7200rpm by itself could be somewhat destructive but maybe not. It depends on whether the clutch had enough time to fully engage. If you don't hear anything or notice any problems, you're probably ok. Physical damage is usually immediately noticeable.
Yes, s11t happens!
Yes, s11t happens!
Drifting
Joined: Sep 1999
Posts: 1,574
Likes: 2
From: Orlando FL
did you smell any burning or see and dust come out of your shifter area. A guy at the track tried to drop a 6 speed in 2nd gear and burned his clutch up pretty good. He had a dust cloud come out around the shifter. weird.
Heel & Toe
Joined: Apr 2004
Posts: 19
Likes: 0
From: Cleburne Texas
I've done that, twice to be exact. Haven't done it in over 8,000 miles and the engine isn't making any strange noises so I think I'm Ok. Anyway, wheel lock-up should have saved you if you got the clutch back in fast enough. I seem to remember someone saying that an ODB code is thrown if engine RPM exceeds 7,000. Not certain about that though.
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Drifting
Joined: Aug 2000
Posts: 1,698
Likes: 1
From: Chapin SC
Cruise-In II Veteran
Cruise-In III Veteran
RealityCheck is right, the rev limiter will not help in your situation. The first thing to go is usually the push-rods, one or more may have bent. The good news is that it's easy to check and cheap to fix.
