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Join Date: Sep 2020
Location: Chicago, IL.
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Quote:
Originally Posted by Dasuchin View Post
How much more power would you make with an ITB set up on an otherwise stock internal 3.2? Just recently bought my first aircooled and aside from an EFI set up, the internals are stock.

There’s no definitive number and where that power is made in the rpm range is again relative to a lot of factors.

You can search the forum and find stories of 10% power increase, 17% etc, you can find dyno charts showing all sorts of numbers but none of that will be directly transferable to your engine

The main reasons for efi/ITB are usually increased throttle response, the look, the sound, the move away from CIS, having a fun and challenging project, because it’s possible and cool, and finally power.

Now, if you’re changing pistons and/or cams as well then you can start making more power for sure but again it’s all relative.


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1977 911 S: Backdate, EFI/ITB, AC project in the works:
http://forums.pelicanparts.com/porsche-911-technical-forum/1106768-when-well-enough-cant-left-alone-backdate-efi-itb-ac-more.html
Old 11-07-2024, 04:03 AM
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