Differences between a Early 99 and Late 99 7.3 - Diesel Bombers



Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

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Old 12-13-2010, 03:00 PM
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Default Differences between a Early 99 and Late 99 7.3

Early 99 has a wicked wheel in it from the factory.

The E-99 has 130cc(AB code) injectors and the later 99-03 has 140cc(AD code) injectors.

The E-99 has 2" intake runners. The later 99-03 has 3" intake runners.

The E-99 has a 15* swash plate HPOP. The later 99-03 has a 17* swash plate HPOP.

The E-99 has one glow plug relay. The later 99-03 has one glow plug relay and one air intake heater relay side by side. Both relays are on the passenger side valve cover toward the front of the truck.

The E-99 has a totally different air filter that is not inter changeable with the later 99-03. But you can put the late 99 air cleaner assembly in the E-99 truck.

The E-99 track rod has smaller mounting bolts than the later 99-03.

The E-99 has shallower rotors than the later 99-03.

The E-99 has shorter hub-bearings than the later 99-03.

The E-99 front axle U bolts are square where they go over the spring pack. The later 99 U bolts are round.

The E-99 has a different pitman arm than the later 99-03.

The E-99 does not have the AIH like the later 99-03.

The E-99 does not have the automatic transmission fluid cooler in the radiator.

The E-99 has no indicator light showing that "cruise" is on. Later 99-03 has a cruise light that will come on when you set the cruise control. Some of the E-99 trucks have this light in the dash already. A newer PCM(Yes it will plug in and will run better too) must be used to make the cruise light illuminate. It is a green light on the right side edge, half way up.

Last edited by CSIPSD; 12-13-2010 at 11:18 PM.
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Old 12-13-2010, 10:16 PM
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Quote:
Originally Posted by CSIPSD View Post
The E-99 has a totally different air filter that is not inter changeable with the later 99-03. But you can put the late 99 air cleaner assembly in the E-99 truck. The only two aftermarket air filters that work on the E-99 are the AFE stage 2 and the AIS. .
Not tryin to be a wiseguy or nothing, but K&N an a few others make intakes too. I'm running K&N on my E-99.
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Old 12-13-2010, 10:45 PM
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so where is the tranny cooler at on the e99?
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Old 12-13-2010, 11:19 PM
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Quote:
Originally Posted by OceanDiesel View Post
Not tryin to be a wiseguy or nothing, but K&N an a few others make intakes too. I'm running K&N on my E-99.
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so where is the tranny cooler at on the e99?
There is a seperate cooler on the front of the truck.
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Old 03-10-2011, 05:51 PM
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question? they say E-99's dont have an intake heater. i hnow for a fact mine does but it looks just like the early airbox heater.
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Old 03-10-2011, 07:13 PM
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the intake heater in in the spyder
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Old 03-10-2011, 08:04 PM
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I had a E99 and it had a cat the late 99 did not have one.
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Old 03-10-2011, 08:42 PM
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question? they say E-99's dont have an intake heater. i hnow for a fact mine does but it looks just like the early airbox heater.
There is NO intake air heater on a early 99. If you have a intake air heater in the Y pipe in the valley, you do not have a early 99.
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Old 03-15-2011, 02:32 PM
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their is one in mine but it looks just like the airbox heater its not the " coiled glow plug" its smaller.
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Old 03-23-2011, 09:05 PM
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Your probably seeing the IAT2 intake air sensor #2 in the spider. It has a green plug on it.
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