comancheman Posted September 19, 2006 Share Posted September 19, 2006 i am runnin a pacesetter header on my 90 comanche. Today when i put my air box in i realized theres no place for the tube that runs from the airbox to the stock exhaust manifold, do i definetly need this in order for it to run properly. what exactly does this tube do? Link to comment Share on other sites More sharing options...
DirtyComanche Posted September 19, 2006 Share Posted September 19, 2006 Doesn't do $#!&. Supposed to aid cold start up. With EFI. Right. Link to comment Share on other sites More sharing options...
comancheman Posted September 19, 2006 Author Share Posted September 19, 2006 i thought it had something to do with cold start but on a cold start the manifold is cold to0 so whats the point? if it runs without it who cares!!!! Link to comment Share on other sites More sharing options...
jeepthing07 Posted September 19, 2006 Share Posted September 19, 2006 when i put a rusty's air tube on my MJ i threw that heat riser tube and shield away Link to comment Share on other sites More sharing options...
Oizarod115 Posted September 19, 2006 Share Posted September 19, 2006 yeah, its there for the cold start up stuff, but who cares (especially when you live in GA :brows: ) Link to comment Share on other sites More sharing options...
Pete M Posted September 19, 2006 Share Posted September 19, 2006 I believe "cold" in this instance is defined as anything below the engine normal operating temp. I know it's warm in Georgia (my sis lives there), but it's not quite that warm. :D Link to comment Share on other sites More sharing options...
feerocknok Posted September 19, 2006 Share Posted September 19, 2006 I believe "cold" in this instance is defined as anything below the engine normal operating temp. I know it's warm in Georgia (my sis lives there), but it's not quite that warm. :D Global warming. It does help you truck heat up faster, but as everyone said, doesn't really matter. Link to comment Share on other sites More sharing options...
DirtyComanche Posted September 19, 2006 Share Posted September 19, 2006 Doesn't make much difference at all. I eschewed mine pretty much when I bought it. First winter I had it, the mercury was hitting -40. Still warms up in decent time (given the conditions). Link to comment Share on other sites More sharing options...
Pete M Posted September 19, 2006 Share Posted September 19, 2006 It's for emissions more than anything else. Gas burns more efficiently at hotter temperatures, and so the faster it gets hot, the better. Link to comment Share on other sites More sharing options...
Oizarod115 Posted September 20, 2006 Share Posted September 20, 2006 It's for emissions more than anything else. Gas burns more efficiently at hotter temperatures, and so the faster it gets hot, the better. so you think i should put the old radiator back in and run it at 260 again? :rotf: :brows: Link to comment Share on other sites More sharing options...
Pete M Posted September 20, 2006 Share Posted September 20, 2006 It'd be good for the gas burning, but not good for the engine componants or fluids. Auto engineers have to find a balance. Link to comment Share on other sites More sharing options...
ORCA Posted September 20, 2006 Share Posted September 20, 2006 I ditched mine awhile back and my truck's always started fine(even in the winter here - where it gets below zero at night) If you do live in a cold climate you should allow the truck plenty of time to warm up, the more time the merrier. Link to comment Share on other sites More sharing options...
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