TR3driver
Great Pumpkin - R.I.P
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I've not tried the milk trick, but my experience with brass floats is that they will not leak at all when you're looking at them, even dunked in fuel. It's the temperature changes that force them to leak.
So, IMO, the best test for a brass float is to heat a pan of water then dunk the float in it and hold it down. If the float leaks, you will soon see a stream of bubbles.
Tinster, you might want to call TRF and see what they say about their pumps. Talk to John Swauger. The issue is just a wrong spring, and you cannot tell which spring is installed from just looking at the outside.
So, IMO, the best test for a brass float is to heat a pan of water then dunk the float in it and hold it down. If the float leaks, you will soon see a stream of bubbles.
Tinster, you might want to call TRF and see what they say about their pumps. Talk to John Swauger. The issue is just a wrong spring, and you cannot tell which spring is installed from just looking at the outside.