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Old 10-16-2009, 12:30 PM
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Converting from Carburetor to Fuel Injection

I want to convert my SBC to fuel injection for Offroad rockcrawling. The near vertical angles are causing fuel delivery problems even using an Avenger carb. What would be the best way to go without having to deal with a computer?

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Old 10-16-2009, 12:49 PM
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Not an easy chance not using a computer. There are not that many mechanical fuel injection systems out there to modify or use. On the other hand there are multitudes of electronic systems to use.

Vince
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Old 10-16-2009, 02:09 PM
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Quote:
Originally Posted by fredbaker
I want to convert my SBC to fuel injection for Offroad rockcrawling. The near vertical angles are causing fuel delivery problems even using an Avenger carb. What would be the best way to go without having to deal with a computer?
Really expensive mechanical systems like Hilborn and the only way to escape a computer. Though I've head of people adapting a couple of the old VW Variant, Bosch mechanical systems from the 1970s.

A carburetor choice could be the Predator, though I've never used one off road, so can't attest to how stable its fueling is at odd angles. But its a different approach to a carb than what we're mostly used to.

A simple solution with a simple TBI is the Holley Commander or Pro-Jection series of TBI systems. These are stand alone systems some are pretty simple and don't need a lot of sensor inputs to operate since they aren't trying to be emissions compliant. The other is to get a GM TBI from the 1980s -90s from a wrecking yard or off ebay.

Bogie
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Old 10-16-2009, 02:27 PM
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From what I've seen, its usually easier just to deal with a computer than to locate and work with a mechnical fuel injection setup. There really isn't that much to it. People hear the word computer and start to freak out.

Just research a good TBI or TPI type system. TPI's are generally great for low-end torque which is what you need.
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Old 10-16-2009, 02:38 PM
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They are not as bad as they use to be, plug and play wires and good instructions if you get a good kit.

I plan on installing some kind of port injection on my car if the economy doesn't force me into a cardboard box.
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