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Old 07-29-2011, 04:00 AM   #41
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Quote:
Originally Posted by 91NA View Post
its aparent that the 1st post was in response to the compound turbo super that as above my first post... and the second was i was just saying every one was saying that it was stupid not to have an intercooler on something thats FI i was just pointing out the fact that an air-air isnt needed with low boost applications IE the ffs supercharger at 6 PSI.... and then i posted the way around the Air-Air if one so happend to like the setup of a coldside S/C so clearly thats what the **** i was talking about...
what?
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Old 07-29-2011, 04:01 AM   #42
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just read... its not a hard concept...
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Old 07-29-2011, 04:04 AM   #43
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if you're thinking about buying a FFS kit, just go ahead and send me $5k and I'll send you a nitrous kit. if you pay with cash, I'll even enclose a Ziploc bag containing (1) dry fart. wet farts are extra.

Last edited by pusha; 07-29-2011 at 04:24 AM. Reason: wet farts
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Old 07-29-2011, 04:05 AM   #44
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Originally Posted by 91NA View Post
just read... its not a hard concept...
I'm an adult and know how to write complete sentences. <---Notice my punctuation.

Make a intro thread before the lions come in and rip your ***** off.

By the way, everything you wrote is bullshit because it is impossible to understand and completely wrong.

******* idiot.
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Old 07-29-2011, 04:32 AM   #45
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i ask what am i wrong about? the fact that chemical intercooling is effective in low boost applications? or the compound turbo/super charger? because chemical intercooling is done alot. ill spell it out for you

a air/air intercooler isnt needed in a low boost application. i was pointing out the fact that the coldside supercharger was a good idea for the fact you dont have the boost drop caused from the FMIC. the i said the soultion to the problem. which is dont use the 5th injector use water/meth as a chemical IC... its not wrong it is used all the time. but i dont see how im wrong.

on the point of compound systems again i ask what is wrong with what i wrote? compoundsare done all the time. you take the 6 psi from the SC and 10 PSI from the turbo and you add 6+10 ans it equals 16psi. not a hard concept to grasp. an you do get best of both worlds. this is done all the time with diesels but its compound turbos. also so is the WI injection and even nos and thats 85+ psi with out a intercooler.
so again prove what i said is wrong
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Old 07-29-2011, 04:37 AM   #46
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You are wrong, and your proof is below.

Twin charging works on the basis of pressure ratios. They multiply whatever they are sucking in by whatever their pressure ratio is.

For example your turbo boosts 10PSI which feeds into your super that has a 1.4 pressure ratio..

10PSI + 14.7 (atmospheric pressure) = 28.7PSI being fed into the supercharger
28.7x1.4 PR = 40.18PSI
40.18-14.7= 25.48 PSI

So a 10PSI turbo boosting into a super with a 1.4PR = 25.48 PSI at the manifold. Total pressure ratio increase from atmospheric pressure is 2.73 by compounding.

Again, just to be clear... you are wrong.
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Old 07-29-2011, 04:45 AM   #47
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ok i will admit that was wrong on that
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Old 07-29-2011, 12:39 PM   #48
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Quote:
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Attached Thumbnails
Fast Forward Supercharger OR Flyin Miata Hydra Turbo?-jwsf4.jpg   Fast Forward Supercharger OR Flyin Miata Hydra Turbo?-dobtie03.jpg  
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Old 07-29-2011, 12:40 PM   #49
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The super in front of the engine makes it look like a bigger engine to the turbo.
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Old 07-29-2011, 12:50 PM   #50
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I'm not sure what's more entertaining:
  • intercooler "bottleneck" outweighing efficiency/IAT drop
  • compound turbocharging a 1.8l 4-cylinder
  • chemical IC
  • 91NA's wealth of extra chromosomes
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Old 07-29-2011, 12:55 PM   #51
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I like taking advice from the guy with the MP62, spinning it as fast as it will go, running E85, and making a whopping 180whp. What an awesome use of cash. I can spend less money and get close to that number with an unopened VVT engine.
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Old 07-29-2011, 01:01 PM   #52
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Quote:
Originally Posted by Joe Perez View Post
So, let me get this straight:

You have an MP62, presumably a coldside.

You have proper engine management.

You wish to add a turbo.

I see no reason why the MP62 has to come off in order to accomplish that.
ZZP has had pretty good luck twin charging the Cobalt/Ions.

http://www.zzperformance.com/cobalt_...ts1.php?id=871
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