Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

supercharger intercooler?

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Old Jul 30, 2003 | 12:08 PM
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supercharger intercooler?

Has anybody tried to do this? Or is this possible to be done?
Old Jul 30, 2003 | 02:29 PM
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yup.....

Deac and max n' out have it on their 5th gens.
Old Jul 30, 2003 | 02:38 PM
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what about for 4th gen people? Just wanna know the cost involved and I'm assuming that custom piping will have to be done.
Old Jul 30, 2003 | 03:07 PM
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if I recall a few months ago soeone was talking about having an FMIC kit for the SC fab'd for the Maimxa. also I think Criag Mack was talking about a possible aftercooler kit(AWIC) as well a few days ago for his 4th gen.

Originally posted by PmpLuxCEO
what about for 4th gen people? Just wanna know the cost involved and I'm assuming that custom piping will have to be done.
Old Jul 30, 2003 | 03:37 PM
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I decided to scrape my FMIC project and do a AWIC... Looks like I'll save my Spearco IC for my future MKIII. I'm not in a big rush as I haven't seen any detonation even with the 3.12".

I30Krab has a AWIC for his S/C.
Old Jul 30, 2003 | 09:38 PM
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I might do an aftercooler, I need to talk to him more about it, but for now I need to get my damn AEM FPR "fittings" so I can install the damn thing, dyno, and hit the track.
Old Jul 30, 2003 | 09:41 PM
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Word I did it, whatcha need to know.
Old Jul 31, 2003 | 05:55 AM
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Originally posted by max'n out
Word I did it, whatcha need to know.
Any details you want to share? What brand and size IC, how did you run the piping to the IC? Got pix?
Old Jul 31, 2003 | 10:36 AM
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I'll tell you what ever I can just ask.

It's a custom made intercooler through and through, not somthing you can buy on the street. Piping runs right out of the pressure side of the blower down by the radiater into the top side of the intercooler, out of the intercooler under the frame back right up toward the t.b. The only pics I have are on my wedsite, just use the arrows and double click the pics to blow them up.
Old Jul 31, 2003 | 12:09 PM
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Originally posted by max'n out
I'll tell you what ever I can just ask.

It's a custom made intercooler through and through, not somthing you can buy on the street. Piping runs right out of the pressure side of the blower down by the radiater into the top side of the intercooler, out of the intercooler under the frame back right up toward the t.b. The only pics I have are on my wedsite, just use the arrows and double click the pics to blow them up.

Thanks for the info. Very interesting pics.

How much pressure drop are you getting through the IC and piping? Any temperature drop measurements?
Old Jul 31, 2003 | 04:39 PM
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Never measured the temp, lose slightly more than 1 psi now. That lose in pressure is more than made up for in the tq.
Old Jul 31, 2003 | 08:05 PM
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Originally posted by max'n out
I'll tell you what ever I can just ask.

It's a custom made intercooler through and through, not somthing you can buy on the street. Piping runs right out of the pressure side of the blower down by the radiater into the top side of the intercooler, out of the intercooler under the frame back right up toward the t.b. The only pics I have are on my wedsite, just use the arrows and double click the pics to blow them up.
what pulley do you have on your supercharger?

and what are you dynoing with that intercooler?,

I have a Nitrous kit but if an intercooler is a better way to go then Ill go intercooler route and 2.87 pulley and spray the intercooler some more vice inside the throttle body. Whats your opinion on this?
Old Jul 31, 2003 | 08:21 PM
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Originally posted by max'n out
Never measured the temp, lose slightly more than 1 psi now. That lose in pressure is more than made up for in the tq.
what kind of torque numbers do you think your making with your kit?
Old Jul 31, 2003 | 09:52 PM
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I got the dyno somwhere, I'll look around for it in the morn. Also where gonna re dyno it pretty soon so I can sell it with the up to date dyno numbers.
Old Jul 31, 2003 | 09:54 PM
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The pully on there now is the 2.87 now.

I woun't spray the intercooler I don't see any real advantage to doing it, the air just don't get that hot.
Old Jul 31, 2003 | 10:08 PM
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Originally posted by max'n out
The pully on there now is the 2.87 now.

I woun't spray the intercooler I don't see any real advantage to doing it, the air just don't get that hot.
That's what I dont get - How will an intercooler/aftercooler justify it's costs with the nominal (compared to turbos) power gains? The Supercharger Compressor doesn't heat up nearly as much, so why pay $800 for a 12hp/12tq increase across the power band? Maybe if we saw 30hp/30tq (not peak) it would be well worth it.

I'm sure my never ending search for more low end power without happy gas will stay that way...
Old Jul 31, 2003 | 10:13 PM
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Too many people caught up in this turbo stuff. It still dont' hit that low...even my 5.0 v8 dont' have much power at 1k rpms...

But really what people seem to want is a whole new feeling car. Reality is you can only go so far with so much...With that said it's worth it. The engine runs so much cooler, smoother and flat better. Looking at around 15 hp, 20 ft lbs of tq, 1 psi of boost and a much better feel. The one thing I can't dyno is the feel. It's as fast if not faster than my M5....I don't know what more to say. That 800 bucks ain't bad compared to what the mods cost for the m5 either...I'm talking 8000 for headers...It cost to play...plain and simple.
Old Jul 31, 2003 | 10:23 PM
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Originally posted by Craig Mack


That's what I dont get - How will an intercooler/aftercooler justify it's costs with the nominal (compared to turbos) power gains? The Supercharger Compressor doesn't heat up nearly as much, so why pay $800 for a 12hp/12tq increase across the power band? Maybe if we saw 30hp/30tq (not peak) it would be well worth it.
to prevent detonation, craigy.... when you increase your boost to a certain point, you will have more things to worry about. for every 1psi of boost, it will add 10 degree F of temperature to your intake air.

and if you are boosting under a 90 degree weather...you will feel the diff.
Old Jul 31, 2003 | 10:28 PM
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Originally posted by max'n out
The pully on there now is the 2.87 now.

I woun't spray the intercooler I don't see any real advantage to doing it, the air just don't get that hot.
Old Jul 31, 2003 | 11:06 PM
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Originally posted by [maxi-overdose]


to prevent detonation, craigy.... when you increase your boost to a certain point, you will have more things to worry about. for every 1psi of boost, it will add 10 degree F of temperature to your intake air.

and if you are boosting under a 90 degree weather...you will feel the diff.
Well, I am in Florida, and I know everyday when school got out, driving my car after it been sitting in the hot humid sun for 7 hours, it was SIGNIFICANTLY slower then in the morning time.

I know humidity kills power, so Floridians and other hot places could see substantial gains in that regard.

[maxi], are you saying that the more boost your pushing, the more of an effect the intercooler will have? Some think that intake heat is not psi dependent.

30tq from 2000rpm-5000rpm or bust.
Old Aug 1, 2003 | 07:42 AM
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Originally posted by Craig Mack

[maxi], are you saying that the more boost your pushing, the more of an effect the intercooler will have? Some think that intake heat is not psi dependent.

30tq from 2000rpm-5000rpm or bust.
yup~ I think I got the info about the temp increase on superchargeronline.com. Getting a cooling system for more horsies is the last thing that I am concerned (Well, if I am getting one). The main reason for me to get one is to run higher boost and to make boosting less weather-dependant. During a over 85F weather...I didnt even bother to race.
Old Aug 1, 2003 | 08:06 AM
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Originally posted by Craig Mack


[maxi], are you saying that the more boost your pushing, the more of an effect the intercooler will have? Some think that intake heat is not psi dependent.

Hmmm. So they don't believe one of the fundamental laws of thermodynamics: PV = nRT

Intercoolers are more effective with more boost because the higher intake temperatures concomitant with higher boost pressure result in a larger temperature differential between the charge air and ambient air, and the temperature differential is the driving force for any kind of heat transfer. That's also why intercoolers are more efficient on cold days, and also why cooling the intercooler with a spray is so effective. It's also why you can get better than 100% efficiency with an air to water intercooler packed with ice.
Old Aug 1, 2003 | 09:44 AM
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AWIC

i was the first to have an awic. check my webpage for pics. it was not the cleanest set up since i was tying to make it to a race.

http://maxima.cardomain.com/id/sleepin99

if you have questions, post them. later.

Ferhan
Old Aug 1, 2003 | 11:12 AM
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Re: AWIC

Originally posted by furbiss112
i was the first to have an awic. check my webpage for pics. it was not the cleanest set up since i was tying to make it to a race.

http://maxima.cardomain.com/id/sleepin99

if you have questions, post them. later.

Ferhan
What sort of water pump flow rate are you using, Ferhan? How big is the water to air heat exchanger, or are you using a simple ice bath?

Also, I noticed you have a 3" exhaust. How do you like it? Did you notice any loss of low end power or partial throttle performance with it?
Old Aug 1, 2003 | 11:16 AM
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Furbiss who built that set up and what did it cost if you dont mind me asking? also is it effective what are your dyno numbers or track times?
Old Aug 1, 2003 | 09:36 PM
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exhaust?

did not notice any loss at low end. i was running low 13 on stock tires coming out of the hole at the track. gas was just over half throttle until i passed 40 mph at the track. had no traction. dynos were just under 350 on less than 7 to 8 psi of boost.

don't really know all the specs on the set up but it works great. once the car is running again, i can post intake temp. normal cost on my set up is 1800 to 2000, includes fab and install. my system is very similar to a cyclone or typhon set up.

last thing, mine may be for sale soon. if i go to a turbo on my built motor. later.

Ferhan
Old Aug 2, 2003 | 05:21 AM
  #27  
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dibs on the ic then furbiss.... and dibs on the 3 inch y pipe
Old Aug 2, 2003 | 12:13 PM
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My aftercooler will develop 39lb/ft torque @3000rpm for 800 bucks!
Old Aug 3, 2003 | 04:13 AM
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craig, are you going to be making a kit for the rest of us to purchase? OR are you just talkin about for yourself only? LOL! the 2K spent on that custom one is kinda steep for me.
Old Aug 3, 2003 | 12:29 PM
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Originally posted by PmpLuxCEO
craig, are you going to be making a kit for the rest of us to purchase? OR are you just talkin about for yourself only? LOL! the 2K spent on that custom one is kinda steep for me.
Well, I don't know if I want to spend that much money for a so-so gain...but at the same time, I'm probubly losing lots of power from the heat, so the power it restores and THEN some will probubly make a big difference. Right guys?

If he does make one (aftercooler) for my car, then he will mass produce it for you guys too.
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