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4-2-1 or 4-1


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16 replies to this topic

#1
RicerX

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Does anyone know if 4-2-1 headers are better than 4-1, cuz I made a mistake, I jus found out I have 4-1.
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#2
assassin10000

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QUOTE (RicerX @ Feb 2 2007, 07:56 AM)
Does anyone know if 4-2-1 headers are better than 4-1, cuz I made a mistake, I jus found out I have 4-1.


Depends on design, runner length, size, collector and a whole host of other things. BUT rule of thumb:

4-1: good for mostly top end, maybe some midrange power gains.
4-2-1: good for low-midrange-high.

#3
mestizo

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QUOTE (assassin10000 @ Feb 2 2007, 12:27 AM)
Depends on design, runner length, size, collector and a whole host of other things. BUT rule of thumb:

4-1: good for mostly top end, maybe some midrange power gains.
4-2-1: good for low-midrange-high.


4-1 great for most import cars that rev really high and tend to stay there I.E. Drag racing and some road racing.

4-2-1 better for in town driving/light to light racing.

#4
RicerX

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QUOTE (mestizo @ Feb 2 2007, 01:41 PM)
4-1 great for most import cars that rev really high and tend to stay there I.E. Drag racing and some road racing.

4-2-1 better for in town driving/light to light racing.


Thanks for the Info, ima try to learn as much as I can since im still young.
02 Toyota Celica GT (dead)
91 Honda CRX LS V-tec (will be missed)
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#5
mestizo

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QUOTE (RicerX @ Feb 4 2007, 08:45 PM)
Thanks for the Info, ima try to learn as much as I can since im still young.


indeed! just read, read and then read some more. Once u get the knowledge then u use that to apply to the real world. When u do that then u can really see what works and what does not.

#6
RicerX

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QUOTE (mestizo @ Feb 4 2007, 09:50 PM)
indeed! just read, read and then read some more. Once u get the knowledge then u use that to apply to the real world. When u do that then u can really see what works and what does not.

Spoken like a true genious, autozone has helped me learn about cars, but mostly just about repair. Workin in my moms ex-husbands shop had tought me a little about performance, but it was short lived since he moved back to panama. He was a true tuner. Last year, b4 he left, I was at his shop when they converted a NA automatic supra into a twin turbo automatic supra. It was great to b there and listen to it start up. Its sad though, if he was here, I would be spanking mustangs, and showing people what true rice was. He had an all motor civic that could take on vipers and porsches. Too bad he shredded it road racing in panama. He helped his buddy build up a turbo REX (CRX). Ran 9 second, and had corvettes crying to their makers.
02 Toyota Celica GT (dead)
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#7
mestizo

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Sick! yea I'm from the new era and I love watching small displacement imports beat domestic v8's. You don't how many v8's my gsr hatch has killed in it's time biggrin.gif

#8
RicerX

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Well, im getting there. I can only take out small v6s like Pontiac G6s, Grand prixs, and nissan maximas (90s and up, and before 2006) I remember one day, when we lived in cali, the whole family was in the car, Him, me, my sister, and my mom + lugage. Some guy in a white car (dont remember what kind) tried challenging him. My stepdad not only took him by 3 cars and then some, the guy ended up getting pulled over. Not bad for a 95. Mestiso, you kkinda remind me of him, you have that spirit, thats why I wanna get to know you. Lets jus say I kinda look up to you.
02 Toyota Celica GT (dead)
91 Honda CRX LS V-tec (will be missed)
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#9
mestizo

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QUOTE (RicerX @ Feb 5 2007, 03:00 AM)
Well, im getting there. I can only take out small v6s like Pontiac G6s, Grand prixs, and nissan maximas (90s and up, and before 2006) I remember one day, when we lived in cali, the whole family was in the car, Him, me, my sister, and my mom + lugage. Some guy in a white car (dont remember what kind) tried challenging him. My stepdad not only took him by 3 cars and then some, the guy ended up getting pulled over. Not bad for a 95. Mestiso, you kkinda remind me of him, you have that spirit, thats why I wanna get to know you. Lets jus say I kinda look up to you.


LOL cool man! I dunno if anyone has ever said that to me but thanks man!

#10
RicerX

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Hey, just keepin it real, but not just you, i wanna get to know jahi and andrew too. Then maybe I can actually get some help with building my car. Non of my family members are into customizing cars, so I got kinda screwed.
02 Toyota Celica GT (dead)
91 Honda CRX LS V-tec (will be missed)
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#11
assassin10000

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QUOTE (RicerX @ Feb 6 2007, 09:41 AM)
Non of my family members are into customizing cars, so I got kinda screwed.


That's alright, none of mine are either. I'm just mechanically inclined.

Andrew

#12
RicerX

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Yea but u have access to a 24-hour mestiso help hotline, to where Ive got a french kid who works more than he lives. Aside from that my other buddys wife just left him for someone else, so hes gonna be no help for a while. Man I hope everything works out for him.
02 Toyota Celica GT (dead)
91 Honda CRX LS V-tec (will be missed)
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#13
assassin10000

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QUOTE (RicerX @ Feb 7 2007, 01:01 AM)
Yea but u have access to a 24-hour mestiso help hotline, to where Ive got a french kid who works more than he lives. Aside from that my other buddys wife just left him for someone else, so hes gonna be no help for a while. Man I hope everything works out for him.


Yeah, free labor is always good biggrin.gif

Andrew

#14
mestizo

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I feel the chick leaving situation I was in that same boat a few years back u can ask Andrew it's not a good boat to be in. But yea man if u got's ?'s just hit us up bro. emthup.gif

#15
RicerX

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Thanks bro, nom im really starting to feel like part of the family, to make it official, my name is Miguel, and im puerto rican, so basically im a mix of spaniards and africans. So jahi isn't the only one with a black mans handbook (don't take any offense), even though I easily get confused with being a mexican.
02 Toyota Celica GT (dead)
91 Honda CRX LS V-tec (will be missed)
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#16
mestizo

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Cool man lol yea people think im mexican too but im filipino and white, by the way my name is Rob

#17
RicerX

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I know, have seen it a few times, but its nice to meet yall again, but now you actually know my name. We all gotta meet up one day, whether I go out there, or you guys come out here.
02 Toyota Celica GT (dead)
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