Better 308 GTSi performance.

2150 Views 6 Replies 4 Participants Last post by boost2cure, Feb 25, 2004

Tifosi

Discussion Starter · Feb 9, 2004

I am wondering what people have done to bring the performance of their injected 308's up. In my experience, and research, I've found that the Bosch K- Jetronic FI sysytem can be made to perform better by increasing the bore of the throttle body (increase mixture, etc, etc). Has any one done this to their 308i? Any other performance enhancers out there? Thanks in advance...

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Stradale

· #4 · Feb 10, 2004

I think you're on the right path. Short of putting a turbo or a compressor, changing the fuel injection system (don't forget the airflow meter) and changing the header + exhaust system is the way to go.

Then you may have to upgrade your brakes and then your suspension system.

Tell us how it feels when you've installed them.

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