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SVTPerformance's Chain of Restaurants
The Blower Bistro
PVC coming out
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<blockquote data-quote="tt460" data-source="post: 4339659" data-attributes="member: 48603"><p>A PCV valve popping out is a sign that your crank case is being pressurized under boost. There are two potential causes for this:</p><p></p><p>1) You have a cheap PCV valve that doesn't have a check valve incorporated into it. If you blow on the hose connected to the PCV valve, does it go through the PCV valve? If so, your blower is doing the same thing and pressurizing your crank case under boost. You can either put a check valve between your PCV and intake manifold or buy a PCV valve from something that was boosted from the factory (like an 03-04 Cobra).</p><p></p><p>In most cases, the PCV valves that you would buy at the parts store are inadequate at preventing boost from going into the crank case. I had a twin turbo with this problem and I installed a PCV valve from an '88 TurboCoupe and that fixed it.</p><p></p><p>2) Piston ring blow-by. Just hope your problem is the first one. The fix for this is a rebuild.</p></blockquote><p></p>
[QUOTE="tt460, post: 4339659, member: 48603"] A PCV valve popping out is a sign that your crank case is being pressurized under boost. There are two potential causes for this: 1) You have a cheap PCV valve that doesn't have a check valve incorporated into it. If you blow on the hose connected to the PCV valve, does it go through the PCV valve? If so, your blower is doing the same thing and pressurizing your crank case under boost. You can either put a check valve between your PCV and intake manifold or buy a PCV valve from something that was boosted from the factory (like an 03-04 Cobra). In most cases, the PCV valves that you would buy at the parts store are inadequate at preventing boost from going into the crank case. I had a twin turbo with this problem and I installed a PCV valve from an '88 TurboCoupe and that fixed it. 2) Piston ring blow-by. Just hope your problem is the first one. The fix for this is a rebuild. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
PVC coming out
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