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5.0L General Discussion This section is for non-tech specific information pertaining to 5.0L Mustangs.

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Old 01-09-2012, 05:21 PM   #1
w8less
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Default speed density and mods

What kind of mods can you do to speed density? Is it typically just the cam swaps that start messing with drivability that make people swap to mass air?
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Old 01-09-2012, 08:38 PM   #2
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anything that will change the VE of the engine will throw the SD tune out of whack. You can compensate by increasing fuel pressure, but the best option is to either tune, or MAF swap.
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Old 01-10-2012, 07:20 AM   #3
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http://www.oldfuelinjection.com/?p=4

Read that. If it doesn't open refresh the page, it will work.

A notable piece of info there is: "Speed Density can be programmed to handle more power than Mass Air. Mass Air can be programmed to be more exact that Speed Density. This exactness is what makes Mass Air more desirable."
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Old 01-10-2012, 02:05 PM   #4
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well i have a ttop car. i thought about slapping some gt40ps on it, bigger tb, 1,7s and leaving the stock cam. its a everyday driver just wanted a little more power out of it.

i didnt think it was a big deal just wanted to check
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Old 01-10-2012, 02:05 PM
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351w, 50, 50l, air, cam, combos, density, ford, mass, mods, mustang, power, speed, swap, whats

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