heat riser

rd200 · Post by **rd200** » Mon Jun 09, 2014 3:54 pm

This might sound like a dumb question. I have a 65 D-100 with a 318 Poly. The heat riser will only move if I move it by hand. what position should it be in. I can pull it up toward the fire wall or it will go all the way down. I want it to stay open all of the time as I live in a warm weather area.

dodgeboykim · Post by **dodgeboykim** » Mon Jun 09, 2014 9:49 pm

If the heat control spring is missing then you should remove it or fix it. The valve flapper should be open to allow the exhaust to pass through unhindered.

rd200 · Post by **rd200** » Tue Jun 10, 2014 10:13 am

What position is open with the heat riser. Is the riser all the way up to open or down?

riffraff · Post by **riffraff** » Sun Jul 20, 2014 7:29 pm

rd200 wrote:What position is open with the heat riser. Is the riser all the way up to open or down?

Hopefully this helps:

I just replaced my passenger's side manifold that had the valve, with a driver's side non-valved manifold. 1969 W100 w/383

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heat riser

heat riser

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