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I just finished my GM TBI to Sniper EFI swap. Fun!
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How on earth do you imagine getting 900cfm from a rochester 220? I would love to see you flow 900 cfm through a big block tbi let alone the 350 version.
re read it. makes sense now.I think you misread what I said. One 220 TBI unit is not 900 cfm and never could be, however TWO of them on the same engine are.
Mercruiser Marine even produced a 550 HP supercharged big block with dual 2.0" bore TBI units on it. 575 SCI was a 502 CID, 7.5:1 compression and 4.5 psi of boost.
I just finished my GM TBI to Sniper EFI swap. Fun!
That's awsome! I was hoping somebody had given it a try, seems pretty straight forward. How did it work out for you?