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Old 04-11-2013, 06:34 PM   #1
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How much HP

Can a V6 eng hold before it start give u trouble
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Old 04-11-2013, 06:44 PM   #2
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Can a V6 eng hold before it start give u trouble
The 4.0 can stand some power but if ur doing any type of fi or spray it would be good to get forged internals just incase
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Old 04-11-2013, 07:02 PM   #3
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The 4.0 will take a lot. I put 203,000 miles on my 2006 - with nitrous followed by the Xcharger at 90,000 miles (not both though, it won't last with dual power adders).

No need to forge the engine - there are many many many of them out there with lots of miles and lots of boost with no issues.

The limit that my friend found was when he hit it with 18lbs of boost and about 500 rwhp. Another friend is running a turbo with 16 lbs of boost and 475 rwhp and has been for some time now. Again, stock engine with just the valve springs changed to avoid valve float.
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Old 04-11-2013, 11:18 PM   #4
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The 4.0 will take a lot. I put 203,000 miles on my 2006 - with nitrous followed by the Xcharger at 90,000 miles (not both though, it won't last with dual power adders).

No need to forge the engine - there are many many many of them out there with lots of miles and lots of boost with no issues.

The limit that my friend found was when he hit it with 18lbs of boost and about 500 rwhp. Another friend is running a turbo with 16 lbs of boost and 475 rwhp and has been for some time now. Again, stock engine with just the valve springs changed to avoid valve float.
I'm thinking of getting FI sooner or later.. How does the drivetrain/suspension hold up with a turbo?
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Old 04-12-2013, 05:26 AM   #5
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You will need to replace the 7.5 open diff rear end with the 8.8 from a 2005-10 GT or a 2011+ Mustang. The 7.5 won't handle the power for long and you can't build it up stronger to take it.

With the increase in power you should replace the rear lower control arms with something stiffer, but it isn't a requirement. Just makes it easier to get the power to the ground without the soft LCA soaking up the power.

The manual transmission is a weak spot, the automatic can handle the power with no problem. Many of the manual guys have upgraded that transmission with an adapter plate for the 3650 made by a guy over at MustangCollective.com by the name of Nice Pony.
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Old 04-12-2013, 07:24 PM   #6
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You will need to replace the 7.5 open diff rear end with the 8.8 from a 2005-10 GT or a 2011+ Mustang. The 7.5 won't handle the power for long and you can't build it up stronger to take it.

With the increase in power you should replace the rear lower control arms with something stiffer, but it isn't a requirement. Just makes it easier to get the power to the ground without the soft LCA soaking up the power.

The manual transmission is a weak spot, the automatic can handle the power with no problem. Many of the manual guys have upgraded that transmission with an adapter plate for the 3650 made by a guy over at MustangCollective.com by the name of Nice Pony.
I have a auto so that mean I can keep my transmission
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Old 04-12-2013, 08:53 PM   #7
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I have a auto so that mean I can keep my transmission
I'd upgrade to a 8.8 rear end. That's what I'm gonna do next year maybe
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