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What causes blow by?

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Old

May 29, 2003 | 12:07 AM

#1

Thread Starter

Senior Member

iTrader: (2)

Joined: Jan 2002

Posts: 925

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From: Kingsport, TN

Car: '92 RS, '84 Z28

Engine: 383, L69

Transmission: T56, 700R4

Axle/Gears: 3.42, 3.42

What causes blow by?

What exactly causes this, because i put an oil breater on my car, and there is blue smoke that comes out of it constantly, and how do i fix this.

thanks

Old

May 29, 2003 | 12:42 AM

#2

Junior Member

Joined: Apr 2001

Posts: 82

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From: Belleville Illinois

Majority of the time......rings.

But could be other things depending on your engines health.
Cracked head (from overheats)
Valve seals
Valves not seating well (carbon)

Old

May 29, 2003 | 05:19 AM

#3

TGO Supporter

Joined: Aug 1999

Posts: 14,811

Likes: 1

From: Jackson County

insuffecient seal between the piston, rings, and cylinder wall. any valve related problems won't cause blow by.

Old

May 29, 2003 | 03:21 PM

#4

Supreme Member

Joined: Dec 2000

Posts: 3,813

Likes: 2

From: California

Sounds like you need to take the breather off and put the stock setup back on.

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