| You cannot get the big power gains from a naturally aspirated engine that you can get from a forced induction engine. A modded LS1 will do 400 rwhp, but then you hit that NA limit. After that you'll need to convert it to forced induction somehow, and it's just not meant for forced induction. The TT is already forced induction so half the homework is already done for you, stock. Even small Sport500's will get you past the point that most LS1's will ever see.
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