Early 99 - what upgrades are most important? - Ford Powerstroke Diesel Forum
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post #1 of 19 Old 12-11-2010, 07:20 PM Thread Starter
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Early 99 - what upgrades are most important?

I have an early 99 I bought in May. A friend of mine gave me a Bully Dog Triple dog tuner, and it has some sort of aftermarket intake, and stack exhaust.

I'm trying to figure out what to do, what the best investment would be that would yield the most performance gain.

My exhaust goes from a 3" downpipe, to a 3.5" exhaust pipe, to a 3" y pipe, to 6" stacks.

The intake is just some autozone spectre filter.

When I floor it, it moves, but feels sort of sluggish, hesitant.

What should I upgrade? The HPOP? The Turbo? The Exhaust?

Thank's guys!
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post #2 of 19 Old 12-11-2010, 07:35 PM
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Change the intake to a better filter.
And it's a 7.3. Gonna be kinda sluggish anyway. Thought it was a 3.5" DP. Is exhaust free flowing?
A custom tuned chip would probably be a little better.



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post #3 of 19 Old 12-11-2010, 07:36 PM Thread Starter
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The exhaust is free flowing. What would you recommend for intake?
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post #4 of 19 Old 12-11-2010, 07:38 PM
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Most people do a DIY intake. Look it up in the mods section.



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4R100, 2wd
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post #5 of 19 Old 12-11-2010, 07:40 PM Thread Starter
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I've seen the DIY intakes, but will it really make a difference over a Spectre filter? Oh, and what sort of MPG are you getting?
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post #6 of 19 Old 12-11-2010, 07:44 PM
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16.5 or so. Sometimes 15 sometimes 17.5.
Yea I don't think they flow enough for forced induction motors. Turbos flow WAY too much air.



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post #7 of 19 Old 12-11-2010, 10:42 PM
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upgrade your exhuast, 4inch the whole way, do an intake diy or whatever, and get a programmer or tunes then you can move to turbo fuel and transmission. 18+mpg

1/30/98 EARLY 99 7.3 F350 DRW CC 4X4 4R100 3.73 LARIAT
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post #8 of 19 Old 12-12-2010, 06:07 AM Thread Starter
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My intake now is a 4" pipe with a cone style filter.

Are the Bully Dog tuners not too good?
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post #9 of 19 Old 12-12-2010, 07:47 AM
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do you have a boost and egt gauge? i replaced all my intake boots and gained 4 psi in boost... leaking up pipe donuts will kiil power and fuel mileage. i am slowly changing everything over to the 99.5 stuff, except for the turbo. i am looking for a decent priced 01 pmt1 pcm, will get a modded idm, just picked up some newer injectors, 140cc instead of 120. and i have an adrenaline pump to feed it all. with all this and my superchips, i will be at where i want for power....

hello, my name is gary
new: 2008 f250 lariat 4x4 ccsb 6.4.....
sold,2011 f250 xlt 4x4 crewcab 6.2 shortbox 5 star tuned
sold,early, 09/98, 1999 f350 lariat 4x4 crewcab 7.3 dually
sold, 1990 f350 lariat 4x4 crewcab 7.3 longbox.
sold, 2003 f350 lariat 4x4 crewcab 6.0 longbox.
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post #10 of 19 Old 12-12-2010, 08:58 AM
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Bully Dog, Superchips, and any of those other "off the shelf" chips are fine. But you don't get the full potential out of your truck as you would with tunes created just for YOUR truck and YOUR mods. This guy may have an Adrenaline but someone else may have a Terminator. A canned tune won't take the full potential of either of them but a tune from Swamps or Tony Wildman or PHP will. They tend to be able to get more power out of your truck safer. Cooler EGTs, safer on your rods, transmission (if it's an auto), and everything. You tell them what you have and what you want and they make it just for you.



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4R100, 2wd
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