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IC on NA?
by
79rabbit4dr
on 18 Jun, 2012 23:34
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Anybody ran an IC on a NA? I obtained one for free at work and I'm thinking about HOW to make it work on my Caddy. It was off a late 90's Passat 1.8t iirc and has those silly c-clip hose fittings. I'll have to pull it back out and snap a pic of what I mean.
Ideas on fitment and/or effectiveness?
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#1
by
745 turbogreasel
on 19 Jun, 2012 00:02
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Just run a bypass valve for when you are not in boost, and you should be all good.
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#2
by
VW Smokr
on 19 Jun, 2012 01:41
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topic is Re: IC on NA?
Unless I'm blindly missing some basic information here... the function of an INTERcooler is cooling the turbo-heated air between induction stages, so for an N.A. wouldn't a plain old cold air intake do just as well, or probably even better, since it could have less restrictive intake plumbing than any intercooler setup?
Now, OTOH if you really plan on swapping your TD engine into the Caddy... oh hell, yeah! It might even improve the fuel mileage for a TD, assuming lead-footing is not the common style of driving.
J.R.
SoCal
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#3
by
burn_your_money
on 19 Jun, 2012 08:54
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It's pointless to run a IC on a NA because the air the engine is breathing will be the same temperature as the air that is passing through the intercooler. This means that the air won't be cooled at all, therefore giving no gain and probably actually hurting power and mileage because of the restriction that you've just added.
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#4
by
R.O.R-2.0
on 19 Jun, 2012 14:37
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like was mentioned, intercoolers are for BOOSTED engines.. no boost = no extra heat in the intake air = no need for an intercooler..
when intercoolers are under VACUUM, they are a big restriction.. they are designed to have air SHOVED thru them..
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#5
by
79rabbit4dr
on 20 Jun, 2012 01:34
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#6
by
745 turbogreasel
on 20 Jun, 2012 02:48
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Impressive. Any idea what ambient temp was?
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#7
by
keaton
on 20 Jun, 2012 03:01
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it will work great
with one of these
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#8
by
RabbitJockey
on 20 Jun, 2012 06:20
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#9
by
libbydiesel
on 20 Jun, 2012 08:27
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The increase in air temp in your video is because with your intercooler you are sucking in cooler air from away from the engine. With the intercooler removed, you're sucking in air right off the engine which is already warmed up. As Trev mentioned, if you had a hose when the intercooler wasn't there so that you were sucking air from the same location, the temp would not increase or decrease. If you try to cool 70° air with 70° air it ends up being 70°.
The air ingested by the engine is ambient temperature and then you're trying to cool it with air the same temperature. The net effect will be NIL. When you boost an engine, the intake air gets compressed to a higher pressure. The higher pressure is what causes the temperature of the air to increase. Without any increased induction pressure your intercooler is an abject waste of time and will accomplish absolutely nothing good.
If you take an extension cord and add a three-way to it, then you can plug it into itself and there will still be two sockets free to power other appliances...
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#10
by
burn_your_money
on 20 Jun, 2012 09:55
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If you take an extension cord and add a three-way to it, then you can plug it into itself and there will still be two sockets free to power other appliances...
Do you have a picture? I just tried this but it's not working
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#11
by
libbydiesel
on 20 Jun, 2012 12:26
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You're not holding your mouth right.
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#12
by
R.O.R-2.0
on 20 Jun, 2012 12:30
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You're not holding your mouth right.
and im sure you were not standing on your head while you tried either..
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#13
by
79rabbit4dr
on 20 Jun, 2012 18:13
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Impressive. Any idea what ambient temp was?
I believe it was 68*F
Fair rebuttles.
The engine was not hot, I had just started it and it was idling the whole time (not producing much heat). How about I move the temp probe to the front of the IC then back into the intake tube. That would eliminate any other variables and show JUST the cooling effect of the IC (if there is one on a NA)?
Just thinking out loud.
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#14
by
R.O.R-2.0
on 20 Jun, 2012 18:38
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Impressive. Any idea what ambient temp was?
I believe it was 68*F
Fair rebuttles.
The engine was not hot, I had just started it and it was idling the whole time (not producing much heat). How about I move the temp probe to the front of the IC then back into the intake tube. That would eliminate any other variables and show JUST the cooling effect of the IC (if there is one on a NA)?
Just thinking out loud.
there is no point to running an intercooler on a natural aspriated engine. a good cold air intake will do the same damn thing, but with ALOT less restriction.
intercoolers are meant to cool air that has been heated up from being pressurized. intercoolers are meant to have air SHOVED thru them, not sucked thru..
if you could install a intercooler, and get intake temps LOWER than ambient, that would be impressive, and something a cold air intake can not do. but it doesnt work that way. so you are basically just making a RESTRICTIVE cold air intake..