Hey guys, I'm new to the group as well as TBI tuning. I have a '94 c1500 that had a stock 5.7. I recently replaced the engine with a Blueprint 355 dynoed at 390 HP with a holly 600 CFM carburetor that it came with. It has aluminum heads with .202/.160 valves, roller cam and lifters and aluminum intake. I did not want to change to the carb, so I put the stock TBI on it using an adapter plate. It runs pretty good but it doesn't seem happy, I feel that it is wanting more fuel (and maybe more air). I've been told that I need a 454SS TBI. Would this work without having to change the computer? Or could I just replace the injectors with the 454 injectors? If not, what would be the best course of action. Thanks.
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