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Pressure in crank case. help

1K views 5 replies 5 participants last post by  fast_redgt 
#1 ·
Just started up my 3800 series II SC motor in a 91 Cav swap

The motor devolpes an whistle during after a few min. of running
Pulled the dip stick out and the motor vented though the
dip stick tube.

Mod list
3.4 inch pulley, TB spacer, colder plugs, colder T-stat, Ram air, 3 inch exhaust and DP, DHP ECM

any help
 
#3 ·
Either your PCV system is blocked or you have a vacuum leak ( broken gasket, missing screws in lower intake manifold, etc. ).
 
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