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When switching to a larger turbo(s), which theorhetically should make more power, would you need to raise the VE numbers in your fuel table?:smt102

Thanks.
 

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I am not the expert and am still new at EFI & Turbo(s) but in my experience the fuel table is based on RPMs and Boost pressure. VE might change some but my guess is you will need to do some test runs to tweek things.
 

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If you think your air charge is going to be hotter from added boost.. I'd say yes..
 

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When it comes up into boost, and goes up in the map, you will probably have to give it more fuel to maintain A/F.

The percentage change in flow with the new turbos will be a good place to look for how much more fuel to give it as a start.
 

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Personally I would throw 10% across the boosted areas and then trim from there. You would hate to be lean.
 
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