EFI Live injector slope adjustment question
01-06-2011, 06:15 AM
#21
Always been around that pressure. My Tahoe was one of the first Flex Fuel trucks (Z VIN). From my understanding it uses a different pump and had larger injectors from the factory. I know when I bought my Radix I didn't need larger injectors. I added an inline pump just to be safe but was told that wasn't really required either.
01-06-2011, 12:34 PM
#22
Always been around that pressure. My Tahoe was one of the first Flex Fuel trucks (Z VIN). From my understanding it uses a different pump and had larger injectors from the factory. I know when I bought my Radix I didn't need larger injectors. I added an inline pump just to be safe but was told that wasn't really required either.
Strange that GM would decrease the fuel pressure when more fuel is required, thereby requiring even larger injectors. Is the regulator a different part # than non-flex vehicles of the same year?
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