FMIC vs After Cooler
10-02-2010, 08:09 AM
#11
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Originally Posted by itlynstalyn,Oct 2 2010, 12:07 PM
^^^
There are plenty of pulleys available that can make up for the boost loss. Throttle response is hardly noticeable at all. Why do you think every turbo car runs a FMIC? Because it's better/more efficient. People revert because of the boost loss, no other reason.
Again, I've used both and the intercooler keeps the charge air cooler for much longer than the aftercooler.
There are plenty of pulleys available that can make up for the boost loss. Throttle response is hardly noticeable at all. Why do you think every turbo car runs a FMIC? Because it's better/more efficient. People revert because of the boost loss, no other reason.
Again, I've used both and the intercooler keeps the charge air cooler for much longer than the aftercooler.
10-02-2010, 08:24 AM
#12
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A supercharger is still pushing hot air. You're not going to overspin the blower, a vortech/comptech isn't a rotrex. There are people on this board alone pushing 15-20 lbs of boost on their superchargers. If you haven't had first-hand experience with both you shouldn't make such gross generalizations. The FMIC is proven to lower IAT over the aftercooler for longer periods of time. The single-greatest drawback being the boost loss.
10-02-2010, 08:33 AM
#13
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Originally Posted by itlynstalyn,Oct 2 2010, 12:24 PM
A supercharger is still pushing hot air. You're not going to overspin the blower, a vortech/comptech isn't a rotrex. There are people on this board alone pushing 15-20 lbs of boost on their superchargers. If you haven't had first-hand experience with both you shouldn't make such gross generalizations. The FMIC is proven to lower IAT over the aftercooler for longer periods of time. The single-greatest drawback being the boost loss.
10-02-2010, 08:45 AM
#14
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I didn't say you could or couldn't I said you're not going too. A 3.0" pulley with a fmic will put out anywhere from 9-11lbs of boost without "overspinning" the blower and still make excellent power.
The OP never said anything about a comptech kit, he's debating between SOS and Kraftwerks and wanted to know which cooled the air better/more efficiently. Here's a hint: it's the FMIC.
The OP never said anything about a comptech kit, he's debating between SOS and Kraftwerks and wanted to know which cooled the air better/more efficiently. Here's a hint: it's the FMIC.
10-02-2010, 10:14 AM
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Cooling aside, SOS is expandable (up to 20+ lbl's with the Novi 1200) where as KW your limited to 9.5-10.5 lbs of boost. So decide what power you want and stick with the cooling method that comes with the kit.
10-02-2010, 10:23 AM
#16
Originally Posted by itlynstalyn,Oct 2 2010, 07:47 AM
^^^
You're misinformed on this subject. Many people use the FMIC to eliminate heatsoak because the placement is better to cool the air. The aftercooler is in the engine bay and the water heats EXTREMELY quickly. The only drawback of the FMIC is boost loss because the routing of the piping is much longer. Cooler charge air = more power. If you're worried about boost loss just get a bigger pulley to make up for it.
You're misinformed on this subject. Many people use the FMIC to eliminate heatsoak because the placement is better to cool the air. The aftercooler is in the engine bay and the water heats EXTREMELY quickly. The only drawback of the FMIC is boost loss because the routing of the piping is much longer. Cooler charge air = more power. If you're worried about boost loss just get a bigger pulley to make up for it.
For all out power and efficiency the SOS kit with upgraded heat exchanger hands down is better. KW is a great kit too, but for your OP questions/goals this is where its at. FMIC are great for turbos, not necessary for the drawbacks with an SC. For a KW kit which is at its limit right out of the box, it also makes sense. The rotrex blower spins twice as fast as a typical Novi blower with different boost characteristics to help offset some of the drawbacks.
10-02-2010, 10:32 AM
#17
Originally Posted by itlynstalyn,Oct 2 2010, 07:57 AM
Nowhere did I say that water heats faster than air. The fact of the matter is people convert to FMIC because you get cooler charge air from the intercooler that's mounted in the front bumper than air coming from an aftercooler that's stuck in an extremely hot engine bay.
Trust me, I've used both. I saw more horsepower on the dyno at the same boost with the FMIC over the aftercooler for longer periods of time without any serious cooling.
Trust me, I've used both. I saw more horsepower on the dyno at the same boost with the FMIC over the aftercooler for longer periods of time without any serious cooling.
10-02-2010, 10:36 AM
#18
Originally Posted by itlynstalyn,Oct 2 2010, 08:45 AM
I didn't say you could or couldn't I said you're not going too. A 3.0" pulley with a fmic will put out anywhere from 9-11lbs of boost without "overspinning" the blower and still make excellent power.
The OP never said anything about a comptech kit, he's debating between SOS and Kraftwerks and wanted to know which cooled the air better/more efficiently. Here's a hint: it's the FMIC.
The OP never said anything about a comptech kit, he's debating between SOS and Kraftwerks and wanted to know which cooled the air better/more efficiently. Here's a hint: it's the FMIC.
BTW the SOS and CT kits both use novi blowers so its a fair comparison. a Rotrex and Novi is not. The point is the FMIC cools the air better, but not more efficiently for an SC is the point.
