454 tbi or dual tbi on dual 4bbl carb intake - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-25-2008, 11:06 PM
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454 tbi or dual tbi on dual 4bbl carb intake

With a EBL ECM computer from dynamic EFI (http://www.dynamicefi.com/InjectorDriving.php Would it be better to run a 454 2" tbi or run a dual 4bbl carb intake and mount 2 stock 350 tbis on it? What all would i have to do to run the dual? if i were making around 390 crank hp, which would be a better choice for power?

Link for the ecm its self: http://www.dynamicefi.com/EBL_Flash.php

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Old 10-26-2008, 02:22 AM
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I am a "fan" of fuel injection. Done right engines perform better, and last a lot longer. Any type of fuel injection that is controllable is best. You also do not have to deal with any carb jetting, or adjustments during 'weather' changes.

For "looks" there is nothing like dual carbs sitting on an intake, especially on top of a 'blower'. IMO

Stephen
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Old 10-28-2008, 02:22 AM
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I say dual 350 TBI's...Not because I think it will work any better...I just want to see it done and think it would look cool. I doubt it would end up cheaper in the end.
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Old 10-28-2008, 02:48 AM
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Quote:
Originally Posted by 90GMCVortec
With a EBL ECM computer from dynamic EFI (http://www.dynamicefi.com/InjectorDriving.php Would it be better to run a 454 2" tbi or run a dual 4bbl carb intake and mount 2 stock 350 tbis on it? What all would i have to do to run the dual? if i were making around 390 crank hp, which would be a better choice for power?

Link for the ecm its self: http://www.dynamicefi.com/EBL_Flash.php
For 390HP a 2" should be enough, & much cheaper>>
Up grading old motor

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