Posted by Ted Idaho [24.116.120.226] on Monday, June 14, 2010 at 09:12:17 :
In Reply to: Sneak Peek posted by Dr. Bunsen Honeydew [69.54.28.229] on Sunday, June 13, 2010 at 22:07:08 :
Possibly a manually controlled heat riser to the exhaust at the bottom side of the manifold. I have never seen a manual one tho.
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