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post #1 of 54 (permalink) Old 11-20-2006, 06:54 PM Thread Starter
 
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looking to get 300hp

Well it is a 98 with the biggest moter for the Intrepid, i'm in the range of around 260 when using 108 octane. anyone have any ideas for an intake or will the K&N for the 3.5 be just fine. and an exaust i'm wondering what would give the best performace there. i am also looking to supercharge it but it may take me awhile to find the time and parts needed to do so after all i'm sure the hood would need cut. but as it sits now i have an iat mod and am using a tornado. both incresed hp but i would really like more if possible without going the Nos route. BTW i am Keith C

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post #2 of 54 (permalink) Old 11-20-2006, 07:01 PM
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welcome aboard, if you look enough, you will find lots of people looking for the same thing
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post #3 of 54 (permalink) Old 11-20-2006, 07:20 PM
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more hp, start by ditching the tornado, K&N make a great kit for these cars, and i noticed a big difference by installing a flowmaster and removing one resonater. good luck!
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post #4 of 54 (permalink) Old 11-20-2006, 07:21 PM
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Quote:
Originally Posted by Chicoragod2
Well it is a 98 with the biggest moter for the Intrepid, i'm in the range of around 260 when using 108 octane. anyone have any ideas for an intake or will the K&N for the 3.5 be just fine. and an exaust i'm wondering what would give the best performace there. i am also looking to supercharge it but it may take me awhile to find the time and parts needed to do so after all i'm sure the hood would need cut. but as it sits now i have an iat mod and am using a tornado. both incresed hp but i would really like more if possible without going the Nos route. BTW i am Keith C

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Not sure if you swapped engines, but the 98's biggest motor for the intrepid was the 3.2, rated at 224 HP. I really don't think the 108 octane gas is giving you that kinda power. And if you run a dyno on your car, it'll show you that you're putting less than 200 to the wheels. Our trannies are weak and parasitic. Also, the IAT mod is cancelled out by the computers in these cars, and the tornado is a joke. I hate to sound totally negative, but I think we'd be doing you a great dis-siervice by letting you believe any of this is signifigantly contributing to the performance of your car. Now, that being said, here's some recommendations of some things that can truly boost the output and performance.

1.) Kenn Belle Optimizer II - You send out your PCM for about $350, and it comes back re-programmed for more power and better shifting. Only roughly 10 HP but a noticeable kick in the pants.

2.) Nitrous - Cheap, effective, but somewhat risky with our trannies

3.) 2.7/3.89 gears - Gives better low end torque. 2.7 SE's and 300M Specials have these gears.

4.) ASP Under-drive pulley

5.) K&N FIPK - the one you mentioned in your post will fit your 3.2 without any modifications. I have this in my 300M Special and it's a nice mod. Not a heck of a lot of more power, but noticeable in the 3-5k range.

Now, there's bigger and more expensive things like Turbo's and superchargers, but they're gonna run you into the thousands. You gotta remember that nobody makes down-pipes, headers, or fuel management systems specifically for our cars, so you gotta build it from scratch. It has been done before though. All that being said, welcome to the boards.

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post #5 of 54 (permalink) Old 11-20-2006, 07:42 PM Thread Starter
 
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yes i do have the 3.2 and K & N makes a intake for the 3.5. but taking away my 20 + hp mod would be silly considering in the summer my car is sucking in more air in result more fuel and thats power. the tornado gives me 13 hp and yes it was noticable the idea of burning fuel more efficent who wouldn't want that if it works right. but if the K&N dosen't allow this it will be gone. the under drive pulley sounds pretty good too. not sure if it will be easy or very hard to swap the tranny i do have the autostick tranny when racing i just use drive. but i do thank you for your input. daily drives i'm using around 96 to 98 octane but when racing i get better stuff from a race shop gives an increase in accel and top end but it prob. not all that good for the engine life.

props for the responses
Keith C
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post #6 of 54 (permalink) Old 11-20-2006, 07:46 PM
 
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post #7 of 54 (permalink) Old 11-20-2006, 07:49 PM
 
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Quote:
Originally Posted by Chicoragod2
yes i do have the 3.2 and K & N makes a intake for the 3.5. but taking away my 20 + hp mod would be silly considering in the summer my car is sucking in more air in result more fuel and thats power. the tornado gives me 13 hp and yes it was noticable the idea of burning fuel more efficent who wouldn't want that if it works right. but if the K&N dosen't allow this it will be gone. the under drive pulley sounds pretty good too. not sure if it will be easy or very hard to swap the tranny i do have the autostick tranny when racing i just use drive. but i do thank you for your input. daily drives i'm using around 96 to 98 octane but when racing i get better stuff from a race shop gives an increase in accel and top end but it prob. not all that good for the engine life.

props for the responses
Keith C
What he was trying to explain to you was that the "Tornado" does nothing but restrict air flow in your intake. This 13hp gain did you test it on the old "ass" dyno or you're talking serious numbers from a real dyno in wich case you would really be subtracting that 13 hp from your power bcs of air restriction. Those gimmicks shouldn't be taken seriously, or why else do you think your car didn't come with one from factory ?? Also in the summer your car sucks less air really as high temp. don't benefit in the higher concentration of oxygen in the same volume as in cooler temps.

Last edited by TERMINATOR101CA; 11-20-2006 at 07:52 PM.
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post #8 of 54 (permalink) Old 11-20-2006, 07:50 PM
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Quote:
Originally Posted by Chicoragod2
the tornado gives me 13 hp
Umm, no it doesn't.

I'm also not following what you're trying to say about the 20hp mod, and sucking in more air in the summer?

But seriously, get your car dynoed. Hate to burst your bubble but the way your car is setup I'd be surprised to see 165 hp at the wheels. Those of us with the 3.5 H.O. can barely get into the mid 170's range.

And once again, those crazy octane gas you're running is a complete waste of money and may even degrade your performance. The only reason you should ever be running above 89 octane is if you have timing advance, higher compression pistons, or forced induction.

The only way you're going to come close to 300hp is by spraying. Get a shift kit so the tranny holds up a bit better, and a window switch to cut nitrous during shifts.

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post #9 of 54 (permalink) Old 11-20-2006, 07:53 PM
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A little tech review I found on the Tornado...

What its supposed to do:
Create turbulence in the incoming airstream to allow for better fuel atomization. "Mixes the Fuel/Air like a tornado!!!!!!" This is "supposed" to theoretically allow the fuel to burn more completely in the combustion chamber.

What it actually does:
Creates a restriction in the intake stream, reducing the total power gain of the vehicle. Any turbulence or "vortex" caused by the devices is destroyed the second it reaches the throttle body plate. In some cases these devices can reduce power as much as 10%, while INCREASING fuel consumption.

These devices have been sold for years and are a complete and utter scam. Popular mechanics recently had an article on a variety of these devices and proved them all to be new age "snake oil".
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post #10 of 54 (permalink) Old 11-20-2006, 07:56 PM
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260Hp on a '98 3.2L w/ stock intake & exhaust...

You know... adding up the Hp claims on the tornado box don't make it so, and 108 octane fuel will hurt your performance without boost or comp. ratio mods supported by timing curve mods.

Your looking for 300Hp ? Add two more tornadoes...
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post #11 of 54 (permalink) Old 11-20-2006, 08:00 PM
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I am a member of an explorer club and there is a guy who put his ex on the dyno with the tornado, and then without, back to back, he lost HP and Torque w/ the tornado in. Seriously we wouldnt make this up, if it were a good product, all of us here on DI would have one. We want our shit faster too we are here to help, if you want it.
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post #12 of 54 (permalink) Old 11-20-2006, 08:16 PM Thread Starter
 
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ok guys i do believe u there on the tornado, i semi understand the high octane situation too. i still won't do spray but i know its an opion. also with the iat mod it does give a signal to the computer so i know i'll have that if i desire to keep it. anyone have specs on a exaust hp increase. or anything else that could help my cause. the tranny change seems pretty easy enough if i have the time and i'm wondering if ya had a estimated price on that to do it yourself. anyhow i do thank you all for the comments if i find a way to supercharge it and not too pricy i'll let u guys know.

Keith C
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post #13 of 54 (permalink) Old 11-20-2006, 08:22 PM
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Do some reading here on the site. Use the 'search' button, lots of reliable info.
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post #14 of 54 (permalink) Old 11-20-2006, 08:22 PM Thread Starter
 
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yeah if i would get that i'd have every option available, but instead i might look at the challengers for 08. besides i like the intrepid and it has held up so far so why lose hope an intrest? anyhow if i get bored with it than i let the old lady run it, it will not make it a year before its smashed up. anyhow i do appriciate the comment.
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post #15 of 54 (permalink) Old 11-20-2006, 09:10 PM
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There are numerous people who say the JoeKD custom intake does give you more than K&N. He charges $200 with shipping. I don't know how it performs, I haven't gotten mine yet in the mail.

Most anything you see on fleaBay performance-wise, is a joke.

Those "tornadoes" as mentioned earlier is just more air restriction.

The "+34 HP chip" or whatever they are, they just fool the computer into thinking the engine's still cold, therefore dumping more fuel into the cylinders.
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