4.6L 4v Tech for the 4V Cobra motors and Mach 1

300 Hp

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Old 06-05-2005, 06:23 PM
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300 Hp

I have a 98 GT with no mods under the hood.

What would be a logical route to follow to get to 300 HP? Cheap and easy, assume the PI head install is too difficult

Is it possible?
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Old 06-05-2005, 06:33 PM
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Cheap and easy? Nitrous.
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Old 06-05-2005, 06:46 PM
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Yeah you're right.

OK, refine the criteria a bit. I am not drag racing, but road racing, so I'd like to have the extra/power torgue available throughout the power band.
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Old 06-05-2005, 07:33 PM
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PI intake would get you started...supposedly good for 15+rwhp by itself.
Then port the intake and heads?

without forced induction or nitrous, it's not easy on a non-PI 4.6
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Old 06-05-2005, 07:57 PM
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Honstly, id say the easiest way to bolt on 100hp would be boost. Throw a Supercharger on that car. Id say maybe a KB or whipple. Tons of low end. Great for pulling outta the turns on a road course. But either type of SC will give ya a great boost in HP
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Old 06-05-2005, 08:42 PM
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Best bang for your bucks............supercharge it.
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Old 06-05-2005, 08:47 PM
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Originally Posted by HFX98GT
I have a 98 GT with no mods under the hood.

What would be a logical route to follow to get to 300 HP? Cheap and easy, assume the PI head install is too difficult

Is it possible?

PM ScarSnake, he's running Solo1 roading racing and actually detuning his car. he's 300 plus. detuned

(He has a 97 Cobra though, but He might have some tips) He's a moderator at this forum >> http://www.torontoautosportclub.ca/forum/index.php

Might have better luck tracking him there.
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Old 06-05-2005, 09:34 PM
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Originally Posted by HFX98GT
Yeah you're right.

OK, refine the criteria a bit. I am not drag racing, but road racing, so I'd like to have the extra/power torgue available throughout the power band.
Well, in that case, you have to throw the "cheap" idea out the window. Getting to 300 with a blower is going to set you back at least $6000 just for the kit + install, tune, etc. NA is going to set you back a lot more than that to get to 300rwhp.
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Old 06-06-2005, 03:12 PM
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Originally Posted by CMOC Admin
Well, in that case, you have to throw the "cheap" idea out the window. Getting to 300 with a blower is going to set you back at least $6000 just for the kit + install, tune, etc. NA is going to set you back a lot more than that to get to 300rwhp.
I don't think he said rwhp.

with PI HCI and some good porting and full exhaust and intake he'll be pretty close.
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Old 06-06-2005, 03:32 PM
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Originally Posted by G-ForceJunkie
I don't think he said rwhp.

with PI HCI and some good porting and full exhaust and intake he'll be pretty close.
Ah, an oversight on my part.

I have a nice set of PI cams if you're looking for some HFX98GT
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