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So I’ve read most introduction re: this LS2. All descriptions are direct injection.
Is there also port injection to counter intake valve carbon accumulation?
 

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Re: 2020on seems to be the preferred methng addtional port injecti Corvette induction

These are not LS variant engines but the newer LT direct injection engines with upgrades to get the horsepower on the 6.2L LT engine up to a 450HP level and to get that level they added port injection on top of the direct injection. On raising the horsepower in the LT engines that are built to higher levels even in the aftermarket both supercharged and NA, adding port injection seems to be the preferred way. Don't think it's being done for intake valve carbon accumulation but that may be a secondary benefit.
 
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