4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

SOHC convert to DOHC

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Old Apr 21, 2005 | 11:04 PM
  #11  
OhThree4.6's Avatar
OhThree4.6
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Default RE: SOHC convert to DOHC

i think "the07sniper" is saying that his friend with the GT wants the DOHC...why would he wanna make his cobra slower, he is saying he wants the GT souped up to compete with the cobra...i have thought about that same question tho, how much would it cost, and would it be hard to transfer?
Old Apr 22, 2005 | 12:18 AM
  #12  
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David_K
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Default RE: SOHC convert to DOHC

give it a try
Old Apr 22, 2005 | 12:39 AM
  #13  
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racer02GTstang
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Default RE: SOHC convert to DOHC

you would need new headers, intake manifold, intake, TB, heads, cams, computer, cam gears, timing chain and i think thats about it... it looks like a good idea, i want to do that if it was possible. havent ever heard of that conversion yet though but i would love to do it if it didnt cost a ton. would rather supercharge if the conversion cost over 1k.
Old Apr 22, 2005 | 01:44 PM
  #14  
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YinYangStang
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Default RE: SOHC convert to DOHC


ORIGINAL: trbuddy

Hey Ying Yang Stang where do you got the chin spoiler from? Looks good. Let me know.
Thanks, I got it from mustangtuning.com and it arrived in 2 days. Very very simple to put on btw.
Old Apr 22, 2005 | 03:16 PM
  #15  
OhThree4.6's Avatar
OhThree4.6
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Default RE: SOHC convert to DOHC

okay, well we are kinda getting off subject here. We need to get back to the whole SOHC to DOHC...i need to know if there is a way, and how....im not the garage mechanic but i there has to be a way, and i know u gotta replace a bunch of stuff, but just lemme know...

how much
what to get

thanks
Old Apr 22, 2005 | 03:48 PM
  #16  
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Fallstar01
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Default RE: SOHC convert to DOHC

From every source I've seen, it's cheaper to drop in a cobra engine than it is to do the conversion which requires some degree of fabrication. I seriously recommend that people just look around for functioning engines from a mach or cobra.
Old Apr 22, 2005 | 05:14 PM
  #17  
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sandcracker21
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Default RE: SOHC convert to DOHC

ORIGINAL: sandcracker21

why in the world would you do something that would make your car slower???

iv nv heard of that either

o sorry i read it wrong! lol
Old Apr 22, 2005 | 06:51 PM
  #18  
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Aixtreme89
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Default RE: SOHC convert to DOHC

I have thought about that idea too... the four valve heads flow so much better than the two valve heads. A four valve at .500" lift on the intake is the same cfm as a two valve intake valve at .821" lift.... I dont know of any cam that goes that high. So its worth getting the DOHC heads IMO. I have been read Sean Hylands book on 4.6 engines. And he says the short block is the exact same dimensions as a cobras. But the internals are different in a gt vs. cobra. So essentially you need like someone else said. Heads, intake, timing chain, cams, cam gears, headers, computer, throttle body, valve covers. I still think this conversion would be cheaper than a full assembled block.. It gives you the option of choosing the heads and cam. If you find out more info let us know, I would love to learn more.
Old Apr 22, 2005 | 11:07 PM
  #19  
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mustangmike01
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Default RE: SOHC convert to DOHC

If he is going with DOHC I would think just replace all intureals. I think it will be easyer just put on a supercharger and nos. I have beaten with my 2001 GT mustang a 2001 cobra wilh a supercharger 10psi he dyoed 428rwd.

[IMG]local://upfiles/15077/1B9E63859F4B46FC911C30FDC5FC6335.jpg[/IMG]
Old Apr 22, 2005 | 11:45 PM
  #20  
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David_K
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Default RE: SOHC convert to DOHC

with DOHC you have about twice the potential than a SOHC motor
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