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High fellas my ques is what is the diff between the ip pump for the turbo and non turbo cause im assuming its only calibration a bit more fuel which we can do our selfs again assuming. I ask because i have a 92 with a banks sidewinder and if there is a difference besides what i assume more fuel then i would change the pump to the turbo pump . also whats the deal with the letter codes on the injectors which codes are the best to get and does it even matter all i want to do is tow im not interested in speed just pulling power thanks .Richie
Don't mean to hijack the post, but NAPA sold me 6 injectors with "BB" Stamped on the nut and 2 With "D" stamped on them. When I questioned this they just said it's the same part number. I haven't installed them yet, not going to until I find out which ones are the right ones.