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I did both, some would argue that you really shouldn't have to do both.
If you aren't planning to do any moderate modding to the truck, I would vote to go with the RR Kit as I'm not a fan of dead-heading design. That just really lends itself to starving those last 2 injectors.
What do you consider Moderate Mods?? lol everyones version of thats different.
When you start dealing with bigger injectors. I think Stage Is are borderline for what the stock pump can handle. Some would say that it can handle more then even those injectors, I tend to error on the side of caution. However, when you start talking Stage II and IIIs, then I would go for both mods (pump and RR kit).
That is somewhat the same thing that a RR kit would do. I just don't think either FASS or AirDog eliminates the dead-heading.
IMHO a crossover is basically another form of deadhead (and a waste of money). If you put equal pressure on both ends of a pipe what happens to the material in the middle? It sits there and STILL has no where to go. If the fuel supply is adequate there's nothing to suggest that the back two injectors should or will starve even with a deadhead design.
IMHO a crossover is basically another form of deadhead (and a waste of money). If you put equal pressure on both ends of a pipe what happens to the material in the middle? It sits there and STILL has no where to go. If the fuel supply is adequate there's nothing to suggest that the back two injectors should or will starve even with a deadhead design.
Which is why you need to start with a fuel pressure gauge and go from there.
The only real benefit from my RR that I've seen is that it eliminates the crappy stock fuel pressure regulator.
LMAO--I could type an "Evan style" dissertation on fuel systems if I really wanted to get started but it's not worth all the speculation and over thinking it might start.
LMAO--I could type an "Evan style" dissertation on fuel systems if I really wanted to get started but it's not worth all the speculation and over thinking it might start.
HAHA.......it's all good, my friend. We are here to discuss and help our fellow 6.0'ers from our trials and tribulations because we've BTDT and have the PHD to prove it.