Quote:
Originally Posted by A26B
I've never installed an oil catch can, but do think it is a good idea. Keeping oil out of the intake is always a good idea.
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Add an Oil Catch Can. See
LT5 Added Systems
Delete TB coolant and Plenum Pulls will even be simpler. See
LT5 Eliminated Systems
Now for those that are skeered about refilling with coolant......there is a trick to make sure no air pockets in the water pump area (air locked water pump which is typical for an LT5 with a new coolant refill). See
Filling With Coolant and the Air Locked Water Pump
Quote:
Originally Posted by scottfab
To "burp" the coolant simply leave the driver's side TB hose pointing up as you fill the coolant reservoir.
When you see a bit of coolant come out of the TB you're done. No blowing the LT5 needed.
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Trouble is.......no amount of "burping by gravity" will get that air out of the air locked water pump (you can blow (with your own lungs) a pressure of 5 ft of water as a comparison to holding the TB hose only a few inches higher). You may get lucky and the water pump spin up a little water to start flushing air but usually that is not the case.
The problem is that the Water Pump cavity is above the outlet ports (red line in photo). Air gets stalled above the water line and the pump becomes air locked spinning the air with no water movement.
