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running too rich

 
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keeperofthecode



Joined: 16 Jan 2013
Posts: 9

PostPosted: Sat May 25, 2013 2:02 pm    Post subject: running too rich Reply with quote

Any ideas of what I'm doing wrong? When I send stock 305 Holley settings to my commander 950 tbi it bellows black smoke its so rich. Auto tune program says its fine but it is obviously getting way too much fuel. Driving truck its getting 4.9 MPG. Truck had a big block in it. Maybe I'm missing a setting somewhere that doesn't change when I send the ecu the new stock 305 settings.

Stock 305
Commander 950 tbi
19lbs fuel pressure
No spark control
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