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Old Aug 28, 2003 | 12:01 AM
  #1  
Dawg_enD's Avatar
Dawg_enD
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From: Olympia, WA
Silly question?

I've been reading about how MAF is better than speed density for motor swaps due to the MAF being more accepting of motor mods.

Ok, that much I know. But my question is this: What do all the guys running speed density do to get around that? I mean, there is NO WAY that all 94+ Mustang guys never souped their motors way up.

So how do they get around that?


Thanks in advance guys....

-Dawg
 
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Old Aug 28, 2003 | 07:04 AM
  #2  
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jwtaylor
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Silly question?

Chips and fine tuning of the fuel. While mass air is a easy way to get your motor to respond, there are people running speed density systems making crazy amounts of hp.

Here is a simple way to look at it speed density uses the computer which has a chip that has been told what it can expect from the engine as far as expectations/requirements and has been given the ability to change the fuel as needed to fit within those boundaries/requirements. You add cams, and other similar upgrades changing in a sense the nature of the engine, so when you push those mods the computer only has the ability to offer fuel that was set in the original boundaries when it was stock and obviously doesn't provide you with the end result you wanted. So instead of the computer itself making changes you must manually determine what the motor requires and when and then put those boundaries into the chip. Mass air has the ability to sense what is needed and change accordingly to a certain degree. Speed denstiy has a one track mind and mass air is a little more open minded. later
 

Last edited by jwtaylor; Aug 28, 2003 at 07:34 AM.
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Old Aug 28, 2003 | 11:14 AM
  #3  
Dawg_enD's Avatar
Dawg_enD
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Silly question?

Ah. So if you want to mod speed density you need to get the ECU remapped?
 
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Old Aug 28, 2003 | 01:56 PM
  #4  
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jwtaylor
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Silly question?

aka burn a chip.
 
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