Steam vents

theIrishman

theIrishman

Not-quite-so-new-guy
May 27, 2018
12
14
3
#1
My 5.3 LM7 truck engine came with just the front 2 plumbed. The rears were capped/plugged from the factory. Only seems doing something like this and plumbing all four would be a good idea.

Thoughts?
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Northernregal

Northernregal

Master Mechanic
Oct 24, 2017
373
676
93
Red Deer AB
#2
Very nice tubing. My 823 heads had the back plugged too.

Did you drill and tap the back? I’m Interested in your solution.
 
Anubis

Anubis

Royal Smart Person
Mar 30, 2012
1,514
389
83
#3
Guys, all that work and hardware isn't necessary. Keep it simple and leave the back ports tied together with factory plumbing. Connect the front to your radiator if it has the port otherwise you can drill and tap a hole in your water pump housing for a short rubber hose connection.
 

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