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Flooding out after a Walbro upgrade

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Old 01-14-2006, 09:12 AM
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Hey,

I had the car running for about 1000 miles (engine break-in period) on a stock TII fuel system, then, I upgraded the fuel pump to a Walbro and the secondary injectors to 720s. The MT still has a basic map on it, although it has been toyed with a bit by a tuner friend of mine. The tuning was done on the old fuel system.



I cant start the car with the new fuel system componenets. The car is behaving exactly as a flooded engine does. I crank it over, and the thing floods right up, and wets the plugs.



What do I need to change to get this thing to fire up?

-a
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Old 01-16-2006, 02:37 PM
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retune for new injectors.
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Old 01-17-2006, 07:11 AM
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Why would you need to? The secondary injectors shouldn't be used for startup or idle. Unless he's running batch injection setup...
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Old 01-17-2006, 09:29 PM
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HA! missed the secondary part. also, which might/might not be your problem, when i set up my pump to run constant 12V it runs super duper rich at idle.
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