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Originally Posted by trademaster
I am on my third. Dropped valve the first time and spun bearing the second. These things happen when you track hard, but at this point my confidence in the ls7 isn't stellar. GM replaced the first because it happened on the highway, but I didn't try the second time because it was on track and that's not their responsibility. Blown motors on z06s are more common than most realize. It is still a cheaper option than any alternatives, but I wouldn't bet the farm on an ls7 being bullet proof on the track. It's a great engine for a lot of purposes, but my personal experience with durability hasn't been the best and I know others with similar, though less repetitive, experiences.
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Thanks for the added info and sorry to hear of the troubles you personally experienced. Here is my honest question- what are the chances that GM did not take corrective action on the weaknesses you experienced? My thought is, how could they not for an engine that is going into a halo, swansong car? I suppose none of us will know for sure until some months after deliveries begin eh? :-)
As a point of reference, Porsche's have a raft of problems as well, though some of the owners choose not to recognize that fact. That's a car twice the price of the Vette or Z/28. And replacement parts are 10x the price :-)
Quote:
Originally Posted by ShnOmac
Don't mind the naysayers..... Some people just don't get "it".
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No worries, just feeling feisty!
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Originally Posted by shaffe
this is the part the has me worried. I fear more Z/28 s will be bought to be collected than tracked. I fear that some Z may never see the track
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I think (hope) you'll be pleasantly surprised. There is a big group of tracking fanatics, and unless you associate with that group, you typically don't even know it exists. (you as in generally not you personally). This car was made for them and the value is undeniable for those that understand the value proposition.
Anyone clocking track miles understands exactly what they are looking at buying here. The traffic light burnout crowd will figure out the facts real quick after roasting their first set of rear tire$...lol! The bubble-wrapping "collectors" will simply be a great supply of cherry cars for future trackers.