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Originally Posted by 90503
Who knows....I tend to look at GM's attempt at a N/A engine above the LS7 to use in their Z06 Corvette....They couldn't pull it off and had to go with FI...It went against "tradition" and what they would have preferred, but I think the writing is on the wall that any engines with high hp that will pass emissions, etc., will be either turbo or S/C...
A new S/C ZL-1 with a LT-4 seems plausible enough....that engine already exists....It's still a big mystery/question what will be used for a Z/28 if they build one this Gen....Maybe the LT-1 still has some up-grades on the table for a Z/28....we will see....
(I wish they would just come out and say what they are going to build and when, even if it's just general terms and approximate time-frames....so we could all stop guessing...The only real "proof" we have so far are the thread titles...lol...)
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But again, as stated several times, what was the goal of that motor? Does it need to be as high HP for a Camaro as for a Corvette? Also, that was at least a year ago. Have they found a way since then? Does a Z/28 need a 600+ Hp motor like they probably planned for the Z06? Or can the NA motor get to 550 Hp safely, and cleanly, and provide the addition power a Z/28 needs?
In other words, in a world of assumptions, assuming they completely scrapped the motor and it will never return doesn't make sense. Al O already said he sees the next Z/28 as a NA small displacement high RPM powered car. And as much as they fought against FI the last go round, I could see them waiting to use the Z/28 name for a fitting NA car.