LS3 radiator hose clamps and heater hose bypass?

[dontlifttoshift]

Originally Posted by rchaskin

If I remember correctly, someone said that if you pull out the hose bungs in the waterpump, the holes that are left are the tap drill sizes for 1/2 NPT and 3/4 NPT. Then they installed allen head plugs in the holes. It looked really clean. You will have to search to find out for sure.

3/8" and 1/2" NPT. The holes are the right size, just run a tap through.

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