Re: Y block temperature sender in right head
Hard to say what’s been done over the years. Y block heads will move from left to right side. Those ports are used for the head/intake water passage at the front, and plugged or used for the temp sender at the back. There’s a press in bushing on the drivers side for the oem temp sender. No reason you couldn’t put one on the right rear if the head hasn’t been modified. The problem is most senders won’t clear the distributor.
They make a tool to pull the bushing, I’ve used it to change a 55 to a 56 sender, they’re different sizes.
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