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Doing 6637 mod any maintenance or mods while I'm in there?
I'm doing the 6637 filter mod and I thought while I'm in there is there anything I should be looking at. I don't want show items to do. I'm looking for any improvements I can make to the rig.
make sure the intercooler boots are tight and not leaking.
inspect the turbo for any end play, side to side or in and out. if you got time and haven't done it already, the crankcase vent mod is pretty easy and cheap to do.
while you're in there check to back sure the belt looks good and fuel bowl is not leaking.
there's a whole list of stuff you can check, but it all comes down to time. i'm sure others will chime in with other things you can check.