The bolt I am missing is the next one back.. My email is captaincarpetinfo@yahoo.. I'm pretty sure I don't have the silver thing but i'll check.. The truck was supposedly tuned @a good dyno shop so I would think the timing would be fine but that made me think of something that it is doing.. sometimes it starts normal like takes a couple cranks to start but sometimes it starts with like half a crank so maybe that could indicate timing.. Oh and @ idle my gauge is at like -20 pegged on the vacuum side..

heres a link to my story.. I had new rotors, rotor bearings, input shaft, shaft bearings installed along with having the case machined to get rid of the scratches, a new pulley. oh and a little machine work I couldnt get one of the four allen head screws out that hold the blower to the intake David Gonzales @ Magnuson is who I talked to I think he did the work ... http://www.f150online.com/forums/sup...oken-nose.html

post your grinding problem in the S/C fourm including as much info as you have about the sound and the time it happens.. but it sounds like a timming issue AKA pinging but maybe the guys can help us out there

do you have this alternator brace?? is this where the missing bolt is?? i know nordvik72 was missing it from his used kit but he was going to make one up.. (I took this pic for him so he could see one) are u sure there is a bolt busted of in there ?? is the oil leaking out of the 2 intake halves right there or just the bolt hole?? Im thinking if its comming out of the hole that hole leads to your intake and its prolly doing that under boost, oil will make its way past the PCV into the intake on boosted engines, (and then out your hole lol) but it could sucking air/ debris under vacum witch would be bad..do you have a boost guage? whats the vac read under idle ?? are you running the FMU?? (big silver thing on the drivers side fuel rail) get me your email address and ill email you the PDF file instuctions that I got from AED before they shut down
wow im long winded

Well what I have is actually a lightning engine with 10,000 miles and the supercharger i'm not sure.. the guy I bought it from reused the supercharger that was on it before he swapped the stock 5.4 with the new lightning engine.. the truck itself just turned 84,000 today actually.. I called magnuson and they told me to release tension on the belt and check the blower snout for any play, but it seems very tight so I think the bearings are fine.. Buuut today i was looking around and noticed that on the top left side of the supercharger the allen screw/bolt, i think the 3rd or 4th one back was missing and i could see where a little oil was leaking out :-/ and i tried to put a new one in but i think a blot is broke off in it.. so i'm not quite sure what to do on that one... anyway, back to the wierd rattling.. Im thinking that possibly it is the exhaust and not the blower because i have headers.. Either way it drives me nuts... when yours was grinding when did you notice it? Mine starts at about 5 lbs of boost when i'm lugging up a hill in overdrive.. once it shifts down it either goes away or i just can't hear it.. who rebuilt your's and how much did it cost?

Pretty good the 14th was my b-day lol.... sweet you got the same set up I gots...The supercharger has a self-contained oiling system that does no require a fluid change for the life of the vehicle unless damage occurs. The fluid level should be checked at 30,000 mile intervals, or if visual signs of leakage occur. usally around the snout..Checking oil levels can be done by removing an Allen head plug located at the front of the supercharger. The oil level should be at the bottom of the fill plug threads when cold. If the level is low, add a synthetic supercharger fluid the only part # I have is by GM but they used m90 in GTP's its 12345982... yes the bosch pump is much nicer and was an upgrade I did... now to upgrade the heat exchanger itself.... 8 pounds sound fun I'm still at a stock 6lb. the rattle is weird I wouldn't think the heat exchanger not pumping would cuase a rattle in the snout..I would keep an eye/ear out for the noise agian and try to move the pulley by hand and see if the grinding is in the snout.. how many miles on the truck?? do you know how many miles on the blower??...my blower was rebuilt after I notice a grinding sound in the case..

Hows it goin? Somebody referred me to you because I just bought an 01 supercrew with the AED supercharger.. And since AED went out of business I have no one to answer my questions.. Grr anyway, I was wondering where to check the oil level on it. I didn't realize but my intercooler pump failed and i'm not sure how long I drove it that way. I just replaced it with a much better bosch pump that it should have had in the first place.. I run at 8lbs.. It was rattling before I replaced the pump but now that I replaced it the rattling went away.. Do you think there is any damage?