Posted by TGP (IL) [172.68.58.165] on Thursday, November 24, 2016 at 12:17:22 :
In Reply to: Water Heating vs Exhaust Heating Carburetor posted by Greg Coffin [172.68.35.10] on Thursday, November 24, 2016 at 11:47:24 :
The heat riser is a add on valve, sandwiched between the manifold and header pipe.
Tom
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