5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Injector and Maf size

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Old 01-27-2013, 11:16 AM
  #11  
Duncan_GT
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Originally Posted by mjr46
LOL, no matter what size motor, 302, 331, 347, 363,408, ect ect they always recommend 75 and that's it, ever noticed trick flows tech line is the same as summit's............you want to make 500 as you state, don't bottleneck it
Whoa, deja vu
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Old 01-27-2013, 11:18 AM
  #12  
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You'll need 42's thereabouts.

http://witchhunter.com/injectorcalc1.php
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Old 01-27-2013, 05:32 PM
  #13  
Boss_Hotrod
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Dont know what all the heads have. They are being very secretive about them. I was told they will be released in March.

The rotating assembly will be lightened/balanced race parts. I also plan on having 1.6 rockers topped with a stud girdle. Should be able to rev it to 7-7.5K and be okay.

Unless I get a 351 upper then a 75mm throttle body is all I can run since the 302 is only cast for that size. The 351 can take a 90mm TB.

What about the MAF?
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Old 01-27-2013, 05:47 PM
  #14  
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I would do the 351 upper to use the 90mm then
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Old 01-27-2013, 06:52 PM
  #15  
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I think it will bolt up. Ill have to double check it. Would a 90mm TB be overkill? Accufab also makes an 80mm and 85mm.

Just checked and Summit sells a complete intake kit for a 5.0 with the 90mm TB bore.

Last edited by Boss_Hotrod; 01-27-2013 at 06:58 PM.
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