What intake???
11-20-2002, 12:08 PM
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Originally posted by crucial Si
not on a JRSC, you just use an shortram/CAI. on the vortec system you can use a air/water cooler.
not on a JRSC, you just use an shortram/CAI. on the vortec system you can use a air/water cooler.
The JRSC has a water-mist spray gadget that seems to work fine.
I'm not sure how "intercooler" fits into your subject title but oh well...
Shingo
11-20-2002, 12:47 PM
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If you're normally aspirated get an AEM CAI.
An intercooler has nothing to do with the intake per se. It goes between a compressor and the intake manifold. You still need to have something which the compressor sucks air through. It can be as simple as wire mesh zip-tied onto the inlet of the turbo, or it can be a short-ram intake on the front of a JRSC.
In the JRSC application for Hondas the blower is joined directly to the intake manfold. If you look at the JRSC for the Miata, it mounts on the exhaust side of the motor and you can indeed add an intercooler to it.
An intercooler has nothing to do with the intake per se. It goes between a compressor and the intake manifold. You still need to have something which the compressor sucks air through. It can be as simple as wire mesh zip-tied onto the inlet of the turbo, or it can be a short-ram intake on the front of a JRSC.
In the JRSC application for Hondas the blower is joined directly to the intake manfold. If you look at the JRSC for the Miata, it mounts on the exhaust side of the motor and you can indeed add an intercooler to it.
11-20-2002, 12:54 PM
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Originally posted by MrFatBooty
If you're normally aspirated get an AEM CAI.
An intercooler has nothing to do with the intake per se. It goes between a compressor and the intake manifold. You still need to have something which the compressor sucks air through. It can be as simple as wire mesh zip-tied onto the inlet of the turbo, or it can be a short-ram intake on the front of a JRSC.
In the JRSC application for Hondas the blower is joined directly to the intake manfold. If you look at the JRSC for the Miata, it mounts on the exhaust side of the motor and you can indeed add an intercooler to it.
If you're normally aspirated get an AEM CAI.
An intercooler has nothing to do with the intake per se. It goes between a compressor and the intake manifold. You still need to have something which the compressor sucks air through. It can be as simple as wire mesh zip-tied onto the inlet of the turbo, or it can be a short-ram intake on the front of a JRSC.
In the JRSC application for Hondas the blower is joined directly to the intake manfold. If you look at the JRSC for the Miata, it mounts on the exhaust side of the motor and you can indeed add an intercooler to it.
Actually if someone could draw a diagram outlining the path air takes from outside the engine bay to cylinder combustion for a turbocharged vehicle it would probably dispel a lot of confusion/misconception (for me as well)There are "custom" intercooler setups for the JRSC (for hondas at least); most cost an astronomical amount of money.
Shingo
Shingo
11-20-2002, 01:15 PM
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Turbo
air filter => compressor housing of turbo => intercooler (when applicable) => intake manifold => engine => exhaust manifold => turbine housing of turbo => downpipe => cat or straight pipe => exhaust
Supercharged
air filter => supercharger => intercooler (when applicable) => intake manifold => engine => header => cat or straight pipe => exhaust
air filter => compressor housing of turbo => intercooler (when applicable) => intake manifold => engine => exhaust manifold => turbine housing of turbo => downpipe => cat or straight pipe => exhaust
Supercharged
air filter => supercharger => intercooler (when applicable) => intake manifold => engine => header => cat or straight pipe => exhaust
11-20-2002, 01:35 PM
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Originally posted by MrFatBooty
Turbo
air filter => compressor housing of turbo => intercooler (when applicable) => intake manifold => engine => exhaust manifold => turbine housing of turbo => downpipe => cat or straight pipe => exhaust
Supercharged
air filter => supercharger => intercooler (when applicable) => intake manifold => engine => header => cat or straight pipe => exhaust
Turbo
air filter => compressor housing of turbo => intercooler (when applicable) => intake manifold => engine => exhaust manifold => turbine housing of turbo => downpipe => cat or straight pipe => exhaust
Supercharged
air filter => supercharger => intercooler (when applicable) => intake manifold => engine => header => cat or straight pipe => exhaust
Thanks again...
Oh, and regarding the original poster, some all-motor guys opt for the short-ram for sake of throttle response. (Think J's racing Penis)
Shingo
11-21-2002, 04:51 AM
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This is what i was told by a mechanic i know, what do you all think?
Anytime you compress air it heats up, and your engine likes cool dense air. So since in principle a turbo and a supercharger work in a very similar way an intercooler helps them both run higher boost levels without detonation problems. There are air-to-air and water-to-air intercoolers, with water being the better system at cooling your compressed intake charge. A cold air intake will help any system operate better, because you are getting your air from outside the hot engine compartment.
Anytime you compress air it heats up, and your engine likes cool dense air. So since in principle a turbo and a supercharger work in a very similar way an intercooler helps them both run higher boost levels without detonation problems. There are air-to-air and water-to-air intercoolers, with water being the better system at cooling your compressed intake charge. A cold air intake will help any system operate better, because you are getting your air from outside the hot engine compartment.
11-21-2002, 07:36 AM
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Yes, in any motor you want cooler air going into the motor because it is more dense. Denser air means more air molecules, which means more oxygen to combust with water.
Yes, compressing air heats it up.
Yes, intercoolers are good for forced induction. No, there's no reason to put the air filter at the end of a long pipe the compressor then has to suck through. If you have an efficient intercooler it doesn't really matter where the air filter is. A shorter intake tract before the compressor will give you better throttle response.
Water-air intercoolers are generally better for drag racing since they can indeed keep the charge very cool for a short burst. For road racing or any sort of extended flat-out running it's better to run an air-to-air because you have an infinitely available cooling medium (in this case air) as compared to a fixed quantity like in a water-to-air which will eventually heat soak.
If you have a normally aspirated motor get a cold-air intake since that's the only way to get cool air into the motor.
Yes, compressing air heats it up.
Yes, intercoolers are good for forced induction. No, there's no reason to put the air filter at the end of a long pipe the compressor then has to suck through. If you have an efficient intercooler it doesn't really matter where the air filter is. A shorter intake tract before the compressor will give you better throttle response.
Water-air intercoolers are generally better for drag racing since they can indeed keep the charge very cool for a short burst. For road racing or any sort of extended flat-out running it's better to run an air-to-air because you have an infinitely available cooling medium (in this case air) as compared to a fixed quantity like in a water-to-air which will eventually heat soak.
If you have a normally aspirated motor get a cold-air intake since that's the only way to get cool air into the motor.