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

Head Work to 99 Cobra

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Old 05-06-2005, 09:18 AM
  #1  
50FastFord
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Default Head Work to 99 Cobra

Hey guys, dropped heads of at Accurate Auto Motorsports yesturday, the heads are getting ported and polished along with new valve train and the Vt Comps Cams, not shure of lift yet, but I do beleieve its the 498s, not shure yet, but I know there the biggest street cams for the 32v, my dad is handleing everything, but Im curious as to what I might be turning to the rear wheels? Its going to MPH after I get everything back in car for the tunning and the dyno so I cant wait for that, here are some pics of use takeing everything out at the shop, its fun doing this when you got airtools,
later...


[IMG]local://upfiles/10643/C592E023F3A74A4F86EDAEBBB806E030.jpg[/IMG]

[IMG]local://upfiles/10643/A46D65B031EA43A688DE55C98ABD6ED7.jpg[/IMG]

[IMG]local://upfiles/10643/3145003CDC5F4361A207E6CCB4A6D63A.jpg[/IMG]

[IMG]local://upfiles/10643/0A85D66C104B4E6B961261F56E2B5BF5.jpg[/IMG]

[IMG]local://upfiles/10643/1D3F2E93E45C4319972800B4B150282A.jpg[/IMG]
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Old 05-06-2005, 01:52 PM
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BCisme
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Default RE: Head Work to 99 Cobra

well, depending on what kind of bolt ons you have, with a MPH tune you might make close to 350 rwhp.
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Old 05-06-2005, 08:14 PM
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50FastFord
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Default RE: Head Work to 99 Cobra

im told that witht he heads and cams done im looking at 60 70 more hp with there tune and maybe more
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Old 05-07-2005, 07:05 AM
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BCisme
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Default RE: Head Work to 99 Cobra

your car will dyno in the 260's stock. add 70 hp. 330's. with a good tune, a few more hp. 350 range. make sense?
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Old 05-07-2005, 03:29 PM
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50FastFord
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Default RE: Head Work to 99 Cobra

well I have under drive pulleys, K&N AirFilter, Modified MassAirflow, dynomax mufflers, mac prochambers, ported intake 4:10s, and it was one of the many cobra to be recalled, they guy that had it a while back dynoed 290 to the wheels with just the exhaust.. and im able to beat stock zo6 vets so.. but hopefully 350+ isnt out of the ?... only the tune will tell...
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Old 05-08-2005, 07:46 AM
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Default RE: Head Work to 99 Cobra

it will depend on many things, cam selection, quality of the head porting, and of course the tune. all assuming your car is in top running condition after the heads are put back on. if you spend the money for good cams, a good port job, etc... you'll get great numbers.
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