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Old Sep 21, 2004 | 01:13 PM
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Enrichment

What is a easy way to enrigh the fuel cure I have a 89 5.0 Bronco
 
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Old Sep 21, 2004 | 03:04 PM
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A chip for the computer possibly. The computer is always going to want to keep it around 14.7:1, so even if you richen it up, say with an adjustable fuel pressure regulator, the computer would probably compensate the other way. Why are you looking to richen up the mixture?
 
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Old Sep 21, 2004 | 04:57 PM
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Well I installed a gt-40 engine,and I changed the plugs and they are white.And when I pull a trailer I get a little missfire.
 
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Old Sep 21, 2004 | 05:10 PM
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something isnt right here. did you replace o2 sensors? are you running mass air or stock speed density? have you pulled codes?
 
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Old Sep 21, 2004 | 05:12 PM
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I used the stock gt-40 long block,used all my old stuff intake lower upper ect.The only code i get is (carbon build up) no i did not change the o2
 
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Old Sep 21, 2004 | 05:46 PM
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There's a code for carbon buildup? Might try replacing the O2 sensor first, and if that doesn't work, then you might be able to correct it with an adjustable fuel pressure regulator.
 
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Old Sep 22, 2004 | 08:43 AM
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how much did you spend on that motor? change the o2 sensor for sure. also what is your timing set at. should be between 10* & 12* btdc
 
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Old Sep 22, 2004 | 10:55 AM
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Motor was $800 had 27k miles. I set time at 10.Will change that 02 out
 
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Old Sep 22, 2004 | 10:59 AM
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a gt40 motor was $800 bucks? thats a spendy motor in the ford cataloge
hows the compression and oil pressure. if the plugs are looken white could also be some antifreeze getting into the cylinders.
 
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Old Sep 22, 2004 | 11:05 AM
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Helps to work at a yard I may agree with what your saying on with coolant but its all (white/grey) the plugs.
 
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Old Sep 22, 2004 | 11:11 AM
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you work at a yard , thats the extreme hook up right there. well try the other stuff first and go from there. you may also adjust the timing back to say 8* in the mean time
 
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Old Sep 22, 2004 | 04:00 PM
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Antifreeze will not show up as white on plugs. Coolant washes the cylinder clean.
 
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Old Sep 22, 2004 | 04:31 PM
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but coolant does burn a whitish color on plugs if its not a large amount running into combustion chamber.
 
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