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well if its at least the size of your fittings than its not bottlenecking... if you have enormous fittings then youd need some big hose to keep up with the flow of the fittings... my fittings and hose are the same ID... no bottlenecking for me.
The biggest thing I've read of is that you must make the adjustment while the wheels are straight ahead. I don't know if that's a Chevy-only thing or not, but the Chevy guys I've talked say that there is a taller point at the center of the worm gear. If you tighten the adjustment down when you're not on the center, it'll hit that high spot and do damage. Some people just loosen the locknut and crank like hell on the adjuster screw, then put the lock nut back down. Obviously that is not what you want to do. From what I've been able to glean, you want to feel how much initial play you have, make a small adjustment, check for play, adjust more, check for play, and keep moving in small increments until most or all of the play is gone. Some people say go a half-turn after that, some people say that's good. Whatever you like, I guess.
Don't know Raw, but 1/4" hose was slow, 3/8" was perfect for me. I don't remember off the top of my head what size the fittings on the ram are.
Josh, you are correct, there is a high spot and the bind I mentioned will be felt at center between right and left hand turns. Anytime it crosses the center line you'll notice it. What seemed to work best for me was to tighten it good at center and then back it off 1/2 turn. This isn't a "recommended" method but it worked well for me prior to the rebuild and after the rebuilt too.
Supposedly (and I've heard and read crap loads about this and every piece of it seems to conflict a little) when you have the front wheels off the ground, you're supposed to "feel" the center point, but it's not supposed to stick (I guess just adjust the screw until you have a telepathic link with your truck.)
Although this isn't really scientific, I just keep tightening it a 1/4 of a turn until it is good. Also, if the screw isn't too rusted and it is easy to turn, you can feel when it is starting to take up the slack. at least, I did on my truck..
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