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Garage Helper
Join Date: Apr 2006
Location: Rogue Valley, Oregon
Posts: 2,175
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The "AOS" is the air oil separator - that black thing with the yellow top, you pour the oil into it when you are a quart down. There are two O'rings attaching it to the block, one upper and one lower, they are different and two different part numbers are needed for these. When these seals are gone/leaking it sucks the oil into the intake often.
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78-924 traded for 80-931 traded for 84-944 traded for 85.5-944 (7th one now). 
UAV-M1 (Urban Assault Vehicle - Model 1)
Bless the lowered, and pass the nitromethane.
Pedal to the metal till you see the gates of hell then brake
NLA - No longer available is a four letter word
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