My last three converters have flashed from 4800-5400, no issues on the street. The car has ran 7.24 to 6.40 in the 1/8 depending on the combination. I like loose converters.
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--------THIS .------ It depends on what u got and can put up with. I have a loose 3500-3800-- behind my 505, w/ 3:73 gears, and it seems looser than 3800, kinda wish it was a little tighter for milage/heat , on the street.
