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alright DIPSTICK!!!! i know that! i'm talking about the 54 gear-start 'stick and tube!

I am getting fitted for my dunce cap. I posted about an odd cast iron device that pivots on my intake manifold. Numerous folks posted suggestions for both intake and exhaust manifold mounted devices. Because it can't be seen and only felt I thought it was on the intake manifold. It turns out it is on the exhaust manifold. I got fooled because of the way the exhaust manifold mounts right under the intake manifold on these straight eights.

Thanks,
Steve

You found the manifold heat riser valve? That was suggested a while back in this thread by mikec.

Here is where the heat riser is. This is the front side where the thermo-spring attaches. The counter-weight is on the opposite side.

If this is where the thing you are talking about is, then yes, that is the heat riser.

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Thanks for the photo BigKev. I see that on my car the spring is long gone. At least the rod going through to the counterweight still pivots easily. Something else to acquire!

---Steve