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Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,892
The thread has already covered how EFI with ITBs is far better overall than MFI. EFI is easier to tune, offers better fuel economy, is more flexible, and does not rely of hard to find parts to keep it running for years and years.

But, MFI is wonderful on the cars that came with it and is certainly worthwhile to keep around. If you want to have MFI on a car from the period that either did not come with MFI or had the MFI system replaced, it is great if you want to go (back) to MFI.

As I said previously, if I had a pre-1974 911, I would certainly strongly entertain MFI if the car did not already have it and would certainly have it on a car that came with it. MFI is certainly the best of the induction systems available in the long hood era.
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Scott Winders
PCA GT3 #3
2021 & 2022 PCA GT3 National Champion
2021 & 2022 PCA West Coast Series GT3 Champion
Old 09-05-2021, 04:33 PM
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