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78caprice
New User
| Posts: 14
| Joined: 09/03
Posted: 10/08/08
05:19 PM
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I have a BRAND NEW CRATE 383 with a big cam and little vacuum, my question is WHY DOES IT SPIT OIL OUT THROUGH THE DIPSTICK??? AND WHAT CAN I DO TO FIX IT?
PLEASE HELP ![]()
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GibTG
Moderator
| Posts: 1327
| Joined: 10/03
Posted: 10/08/08
05:22 PM
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Blowby. I would check your warranty.
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78caprice
New User
| Posts: 14
| Joined: 09/03
Posted: 10/08/08
05:34 PM
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THANK YOU...but technically what does that mean?
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GibTG
Moderator
| Posts: 1327
| Joined: 10/03
Posted: 10/08/08
06:31 PM
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"Blowby" means that you have a ring sealing issue that is allowing excessive amounts of pressure into the crankcase. A pressurized crankcase means that oil will find its way out somehow. It's possible that the rings haven't seated yet, but it must awfully excessive to be blowing your dipstick out.
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canted
User
| Posts: 137
| Joined: 02/08
Posted: 10/09/08
05:04 PM
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Do you have a PCV system? Is it working properly? PCV will counter the positive pressures that Gib mentioned as long as they are not excessive.
Jim
70 El Camino
461 solid, m20,
331 Eaton
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55Guy
Enthusiast
| Posts: 529
| Joined: 08/07
Posted: 10/10/08
05:02 AM
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Are you running any sort of breather system?
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