Hello all I've put a LS1 motor into my 01 ecswb p/u and it is throwing a po300 random misfire code. I've changed plugs, cleaned TB & MAF and programmed 5.3 computer with all the fuel mapping from a 01 Camaro. Anyhow I'm wanting to change injectors because motor set in my Garage for at least three years before I bought it from my coisin and installed. So should I stay with the same size or go up in size. My only plans in the future will be a bigger cam, stall, and some exhaust work.
BB
anybody?
Thanks, BB
minus well go bigger
how much bigger I was thinking 32lbs
ls1 has 24lb injectors? and our factory trucks have 19s??....
'98 ls1 had slightly larger, closer to 30lb'ers, 99+ LS1 had 28lb inj, and '99 trucks had 19lb'ers, and '00+ had 24lb'ers. With the exception of the Z vin, flex fuel, those are larger, around 33lb'ers.Originally Posted by casey23
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ok so do I go bigger with the larger cam that I'm wanting later, I'm thinking about the TR224 looks like a good choice. I just don't want to max out my injectors @ top end, so I'm not sure if I need bigger injectors or not. Nevertheless I do need new injectors I'm pretty sure that is were my misfire problem is.
BB
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