Lt1 steam pipe
Thread Starter
Burning Brakes
Joined: Oct 2006
Posts: 834
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Lt1 steam pipe
What would happen if you dont reinstall the steam pipe (crossover coolant vent on rear of heads) and plug the existing holes with a 3/8 NPT fitting. I ask becuse in the removal of my engine mine was damaged an not only does it cost $80 but ecklers is out of stock
Drifting
Joined: Dec 1999
Posts: 1,330
Likes: 36
From: Waynesboro, PA
Co-winner 2020 C4 of the Year - Modified
"The LT1 has strategically placed steam vents at the back of both cylinder heads. Since the heads are the hottest part of the engine, pockets of steam can be more easily generated there. The steam vents are connected together by a crossover vent tube at the back of the heads, which directs any steam and a small flow of coolant to the front of the engine. Without the steam vents you will have steam pockets and trapped air building up in the heads, which will cause spot overheating. This will result in blown headgaskets and other problems."
I would call a junkyard or something and try to find one. I did hear that GM discontinued them, but I was able to buy the 4 washer/gaskets needed just a couple years ago.
Large Impressive Member
Joined: Jul 2003
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From: Good health is merely the slowest possible rate at which one can die
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