454 tbi on a 350 intake??? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 01-15-2003, 05:24 PM
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Question 454 tbi on a 350 intake???

(1992 Chevy 350) Will the tbi off of a 454 work on a 350? The intake has been bored to 2" and the motor is now a 383 stroker with a BIG cam.
We will have a chip made when all the mods are done.
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Old 01-15-2003, 07:34 PM
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i read about this once before, the 454 injectors are a bit too big for the 383, if I remember correctly, it`s a company in california, that specializes in this swap, maybe there name was turbo city, all i remember for sure was it has orange somewhere in the title, maybe someone else on this post has heard of them before?
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Old 01-16-2003, 04:18 AM
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It should work fine if you adjust the fuel pressure to keep the computer happy. <img src="graemlins/crash.gif" border="0" alt="[crash]" />
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Old 06-27-2004, 12:12 PM
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454 TBI

I was on Ebay looking for a 454 TBI to change out my 350 TBI when I stumbled across a 350 TBI bored out and bigger injectors put in. the cost was a lot less and also the linkages all match up.
I decided against the TBI and went to an Multi-point injection thinking it might be the best for the 383 Im building.
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Old 06-27-2004, 08:34 PM
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In my opinion, go with a multi-point system such as Edelbrock's Pro-Flo. When you consider that you are getting a new intake, injectors, throttle body, sensors, fuel pump, computer, chip, harness, etc.; the cost for a Pro-Flo is pretty reasonable.

But if TBI is your desire, check out www.cfm-tech.com. They have a very informative website. Also, another source for performance TBI is Howell Engine Developments, Inc. www.howell-efi.com.

Best of luck, Ed www.edgesz28.com
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Old 06-28-2004, 06:26 AM
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It can certainly be done, but a chip or ECU upgrade will eb required so that the ECU is "informed" of the larger injector size.

Chris
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