What's an intercooler?

  • Thread starter Thread starter Zeirhk
  • 34 comments
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Scaff
Turbos work by using waste exhaust gas to force more clean air into the engine, the more air you can force in the more fuel you can burn the more power you can get. Its a very simple explination but it does the job.

Now as I'm sur eyou know air at different temperatures has different densities, cooler air being more dense.

If you can feed to the turbo with cooler, denser air you can improve the power output. An intercooler does just that, it cooler the air before it gets to the turbo, allowing cool dense air to be forced into the engine.

Have a look around the web for a more detailed explination, but the above covers the basics.
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well acually a intercooler is between the turbo and engine not feeding the turbo some cars (mainly top racing Japanese cars) have nothing feeding the turbo not even pipe just a piece of fine mesh to keep big chunks of **** out of it.
 
Blake
I disagree, get an MX-5, chuck a flywheel and an oil change on it and you will BLAST the competition!
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Actually, a fully modded Trueno can beat out a Roadster (if you even buy the right one.. there's only one I think that you can get a turbo for and that's the one with highest maximum HP) :D

I just bought the Trueno because I remembered it being my first car for GT and GT2... the S13 Q's was my second car in GT1 I think... and this was loooong before I knew IniD existed! What a coincidence! I also remember the Trueno (or levin, or both... forgot) sounded horrible... absolutely saddening :indiff:
 
tuff240
Example:
A stock Volvo 240 Turbo with NO intercooler runs 8psi and puts out 131hp.
A stock Volvo 240 Turbo WITH intercooler runs 10.5psi and puts out 162hp.
Each extra pound of boost is worth about 8hp. At 2.5 more psi that would be roughly 20hp. The intercooler adds approximately 11 more hp by doing the simple math.

Not much...BUT... 8psi is about max boost on a stock car before it starts to ping because the compressed air is getting too hot. So, in actuality the intercooler allows you to run more boost (up to around 12-13psi before running into pinging problems) AND adds hp to that more boost by cooling the air. It is a win win situation.

Hope that helps explain things a little better.
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So how does the Evo 8 manage to run, I think it's 15 or 16 psi, on 'only' that $2.25 a gallon 93-octane without knocking?
 
Scaff
Turbos work by using waste exhaust gas to force more clean air into the engine, the more air you can force in the more fuel you can burn the more power you can get. Its a very simple explination but it does the job.

Now as I'm sur eyou know air at different temperatures has different densities, cooler air being more dense.

If you can feed to the turbo with cooler, denser air you can improve the power output. An intercooler does just that, it cooler the air before it gets to the turbo, allowing cool dense air to be forced into the engine.

Have a look around the web for a more detailed explination, but the above covers the basics.
Click to expand...


Exactly,have that thing in my dad's car :trouble:
 

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