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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 06-15-2010, 10:34 PM
riggermortis riggermortis is offline
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Question mass air 460 ?????

hello, i found a econoline with a 7.5L (460) in the boneyard today, and the eec code is WAS3. just wondering if anybody knows anything about this computer and if it is worth using to swap a speed density 7.5L to mass air, or if it would be easier to use a mustang A9L computer instead?? any input would be great! thanks
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Old 06-15-2010, 10:54 PM
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460 MAF? wouldn't that be obd-2? 96 or newer?.
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Old 06-16-2010, 12:26 AM
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Vans and the Cali. spec'ed trucks got MAF just before OBD-II was introduced. The key here is usually a GVW rating less than 8500 lbs. IIRC.
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Old 06-16-2010, 02:04 AM
1994 F250: 351, C6 1994 F250: 351, C6 is offline
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Everything I have ever heard was that there were no mass air 460s made. They were all SD.
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Old 06-16-2010, 05:51 AM
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Someone here has a MAF 460 in a '96 or '97 over 8800 GVWR truck, but I think it is a California model with OBD-II. I have no idea what the computer catch code would be.
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Old 06-16-2010, 09:53 AM
JMC302 JMC302 is offline
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There is an older thread covering 460 MAF engines along with converting to them here on the board. Here is a link:
http://www.ford-trucks.com/forums/57...questions.html

To sum up the factory MAF 460's; they are not worth using as the setup is for emissions purposes and will not improve your power. You are better off using the A9L computer and doing some custom work.
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Old 06-16-2010, 10:04 AM
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Quote:
Originally Posted by JMC302 View Post
There is an older thread covering 460 MAF engines along with converting to them here on the board. Here is a link:
http://www.ford-trucks.com/forums/57...questions.html

To sum up the factory MAF 460's; they are not worth using as the setup is for emissions purposes and will not improve your power. You are better off using the A9L computer and doing some custom work.
If your tranny is ECU intigrated, A9L would be more than problematic wouldn't it? Leaving the tranny "twistin in the wind"?
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Old 06-16-2010, 11:02 PM
riggermortis riggermortis is offline
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this is 100% positive a mass air 460. not sure on the GVWR on the van its in, and im not sure if it is OBD1 or 2. i have a manual tranny so that part is not an issue. i was just wondering about wether it would be easier to use the 460 computer because its already set up for the big block as far as firing order, injector size, mass air meter, verses the trouble of having the mustang computer reprogramed for the 460 and all of the other componets? i have just read posts and articles that state that people are getting more power and as much as 4 to 5 mpg better with mass air conversions, and if this is true... i want some of that action
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