Intercooler efficiency

blueline

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Okay this has been bugging me for awhile so I hope someone can answer it. At what point does the efficiency of your intercooler become null and void? Is the damn thing only functional at say higher exhaust temps? I've seen more than my fair share of "interfoolers" on some whips and it begs to ask the question of what if I just added an intercooler to my CAI and pop on a high flow cone? Would the intercooler work in the same manner with normal airflow or does it only peak with hot exhaust from a turbo system. I assume that you can only cool the airflow so much before you plateau.

...hope someone can answer this so that I can be satisfied and move on to try and figure out the whole space time continuum thingy!!
 

Bangin' HB

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try to visualize it; on a FI setup, the downside to compressing air is it heats up, thus the intercooler (air-air in this case)helps lower the temps by passing outside air through the core where the compressed air is traveling. on an NA setup, you are bringing in outside air and it is going right into the engine, so an intercooler would have no effect on an NA setup b/c the intake charge is the same temp as the outside air that would pass through the intercooler. all that would happen here is poor throttle response
 


no9t9

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Bangin' HB said:
on an NA setup, you are bringing in outside air and it is going right into the engine, so an intercooler would have no effect on an NA setup b/c the intake charge is the same temp as the outside air that would pass through the intercooler. all that would happen here is poor throttle response
this is not true. temperature is not the only factor in heat transfer. Air flow is much more important in removing heat from a system. It is totally possible to reduce the temperature of the intake air below ambient temperature.
 


blueline

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no9t9 said:
this is not true. temperature is not the only factor in heat transfer. Air flow is much more important in removing heat from a system. It is totally possible to reduce the temperature of the intake air below ambient temperature.
If that is the case, is it possible to use some sort of electic fan to draw temp air through the intercooler and then through the pipe into the intake manifold? Essentially building a turbo system with considerably less psi (1-2), but lowering the outdoor temp, rather than exhaust. It seems logical that it is easier to cool airtemp of 100 degrees through an intercooler at 55-75mph vice doing the same with 500+ exhaust gasses. I'm not the physicist so...
 

no9t9

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blueline said:
If that is the case, is it possible to use some sort of electic fan to draw temp air through the intercooler and then through the pipe into the intake manifold? Essentially building a turbo system with considerably less psi (1-2), but lowering the outdoor temp, rather than exhaust. It seems logical that it is easier to cool airtemp of 100 degrees through an intercooler at 55-75mph vice doing the same with 500+ exhaust gasses. I'm not the physicist so...
basically, a super charger or turbo can be considered a "fan" which blows air into the engine. So your electric fan would be basically the same thing.. (closer to super charger)..

another thing, a turbo does not feed exhaust gas into the engine... that would be useless. even if you had a turbo on your car, it would still take air from an air intake which would draw air from somewhere in the engine bay. the exahust gas simply RUNS the turbine... the exhaust gases NEVER reenter the engine...
 

lkailburn

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haha i know exactly what yr asking for. its on ebay. its a peice of s**t. its an electric 'turbo. its a peice of s**t. its on ebay. did i mention its a peice of s**t?
 

blueline

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lkailburn said:
haha i know exactly what yr asking for. its on ebay. its a peice of s**t. its an electric 'turbo. its a peice of s**t. its on ebay. did i mention its a peice of s**t?
Yeah, I've seen it. Uh, no I don't want it. I may not have two nickles to rub together, but I'm not wasting my money on that s**t. It was just a problem that I was trying to figure out. Now if you could get an electric "turbo" that could produce 6-8psi and would spool just like a regular turbo when you hit the gas, I would definitely look into that.
 

evan2

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bottom line is no its stupid and pointless
to even have a ic in there for a na setup is pointless
if it would work someone in the na world would have alreayd done it

you dont have enough pressure to move air through the fmic into your motor...

dumb idea
 

no9t9

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yes, an intercooler on an NA setup would be pointless. Any gains from the lower temperature (which probably won't be much) will be offset by the crappy response. Basically, you will probably end up with turbo lag without the turbo... not a good idea.
 

evan2

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turbo lag is from the turbo taking time to spool up, not from air going through a fmic
 


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