Schllc Posted November 12, 2022 Report Share Posted November 12, 2022 On 9/13/2022 at 2:06 AM, kortopates said: You’re perpetuating the big lie about the Acclaim engine! It’s not a TN’d engine at all. It’s CR is 7.5:1 like any other Turbo engine - since it is a real Turbo. it is essentially de-rated to 280HP but to suggest it’s TN’d has been a marketing myth since its inception. Nor do TN engines use a CR somewhere in between NA and Turbo’since they began life as a NA engine, such as 8.5:1, and then added a STC for a turbo that is not boosted above sea level pressure, unlike the Acclaim. Sent from my iPhone using Tapatalk Why do you say the TSIO-550 is not a TN engine? Is it because the compression ratio was reduced? I always thought that the distinction between a TN and a TC engine was that one maintained sea level MP, and one could boost beyond sea level pressure, irrespective of CR? Quote Link to comment Share on other sites More sharing options...
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