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weird idea?

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Old Sep 23, 2005 | 10:31 PM
  #1  
rx7speed's Avatar
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
weird idea?

been getting REALLY bored at home so I was thinking. I've been trying to get as much gas mileage as I can and working with a friend doing the same.

but what I was wondering is gas tends to atomize better when warm correct? what I was wondering is what will happen if I can run my fuel through a fairly small (prolly smaller then a heater core) radiator then on the outside of the radiator have a metal box built around it and run the engine coolant through that box.
my hopes are that in doing so it might heat up the gas a little bit more allowing for better atomization. how well it would work I have no idea and being the current cars I can try it on are carbed I'm not sure how much work would need to be done to get them to run right with doing this.

what would you guys say?
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Old Sep 23, 2005 | 10:51 PM
  #2  
Stekman's Avatar
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Good idea, in theory. Probably more prone to vaporization throught the lines then, especially on a carburated engine.
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Old Sep 23, 2005 | 10:59 PM
  #3  
rx7speed's Avatar
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
one of the cars has an electronic fuel pump near the tank so there should be enough pressure to push it through. the other one is a mechanical fuel pump but I would think you could put the "heater box" after the pump to prevent vapor lock
and yes both are carbed
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Old Sep 23, 2005 | 11:17 PM
  #4  
84z28350's Avatar
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Not good if its on a carbed engine. Most people have problems with fuel vaproizing and flooding the engine when its shut off without that kind of setup, Just underhood heat alone is enough to evap gas in the lines.
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Old Sep 23, 2005 | 11:35 PM
  #5  
rx7speed's Avatar
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From: Caldwell,ID
Car: 2005 BMW 545i
Engine: 4.4L N62B44
Transmission: 6spd auto
Axle/Gears: Rotating
understood but most vaporizing on the lines is before the fuel when the fuel is under vacuum I thought. if I was to do this after the fuel pump shouldn't the pressure of the pump keep the fuel still liquid? it just seems most the cars I have heard of getting vapor lock are mechanical fuel pumps with the long suction system.
if I am really mistaken here though please let me know.

as far as problems with flooding on one of the cars they have a fuel cut off selenoid so car goes off no fuel flows through the carb.
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