Posted by Tom Petroff (IL) [68.166.91.144] on Tuesday, February 24, 2015 at 12:51:10 :
In Reply to: Re: Heat riser on a slant 6 posted by Sherman in Idaho [72.47.153.61] on Tuesday, February 24, 2015 at 12:35:49 :
Yes as long as the butterfly is in tack.
The spring should close it. As it warms and
Looses tension the weight should pull it open.
TGP