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Paul, There was a discussion here a few weeks ago regarding 'back pulses' in the
intake manifold. Sorry, that may not be the correct term. IIRC, seems a
short manifold may have issues, one being fuel droplets being expelled the
opposite direction. Let me suggest the potential for it to pool in your
'outer chamber' and another potential for a backfire to ignite it. Hopefully
that is blatantly wrong so those who know will step in and straighten it out. You can tell by my terminology that I don't talk motors much. Also, seems I
read many years ago that the one reason aircraft carburetors are hung below the
motor is so any fuel remnants would fall out and evaporate and not pool,
lessening chances that a backfire would have something to ignite. This, just
idle chat.
Tom --- Paul <sqpilot@bellsouth.net> wrote:
My question is....With the short manifold putting the TWM throttlebody over the top of the exhaust, has Dave had any problems with fuel dripping out of the throttlebody after engine shutdown? Also, did he put any kind of heat barrier between the exhaust manifold and the throttlebody?
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