Early 99 vs 99.5 - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 09-16-2009, 07:27 PM Thread Starter
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Early 99 vs 99.5

What are the signifucant differances between the early 99 and the 99.5-2003 motors? Are proformance parts just as accesable for them as the 99.5-2003? Quick responce would be great!! Thanks

2001 Ford F-250 7.3 Powerstroke Diesel 2wd:
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AFE Stage II Pro Guard 7
Zoodad Mod
MBRP 4" Straight Piped
05' Front End Conversion
Harley Headlights
Mickey Thompson Classic II's
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post #2 of 14 Old 09-16-2009, 07:37 PM
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Late 99 - bigger turbo from early99 and therefore different y-pipe collector and pedistal

late 99 - 17* HPOP compared to weak-a$$ 15* pump on early 99

I THINK 01.5 (someone correct if I'm wrong) went from Forged steel connecting rods to Powdered Metal connecting Rods.

The injectors could be different too. I'm not 100% sure, my 2000 has AE's.

Old Truck: 00 F350 XLT DRW: basic first few mods. S&B, 4" straight pipe, gauges, CCV, EBPV and Wastegate line deletes, LED Sills, sweet custom headlights, smoked cab lights, Ventshades, Tint.
Traded in at 196k miles.

"Brand Newish" Truck: 02 Chevy S10 2.2L 5sp. Reg cab 4x2. Badass custom made shifter, foglights, 20% tint, AVS Vent-shades, Stock Intake mods, Electric Fan conversion .
~ 95k miles.
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post #3 of 14 Old 09-16-2009, 07:43 PM Thread Starter
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Doesnt it have a completly different intake manifold?

2001 Ford F-250 7.3 Powerstroke Diesel 2wd:
Isspro Gauges
AFE Stage II Pro Guard 7
Zoodad Mod
MBRP 4" Straight Piped
05' Front End Conversion
Harley Headlights
Mickey Thompson Classic II's
Discover ST 285/75/16


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Soon To Come:
Wicked Wheel (Its only been sitting in the box for two months now no big deal)
DpTuner
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post #4 of 14 Old 09-16-2009, 07:50 PM
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Early:
120cc injectors
Bigger Turbo (not a typo)
15* HPOP

Late:
140cc injectors
Smaller turbo (not a typo)
17* HPOP

Other small difference which deal with other parts around these main ones. These are the main differences.

Nick, BPS Historian
1995 F-250 4x4 7.3 Powerstroke
Isspro Gauges, Tony Wildman Tunes, PSGH Stage 1 Injectors, Early 99 Intercooler, ATS Stage 6 E4OD, TCI Tranny Cooler, Snow Water/Meth, Traction Bars, EBPV Brake, TC Lockup Switch, Spray-on Liner, K&N Intake w/ NAPA 6637 Filter, 3" downpipe, 5" mitre stacks.
Waiting to be installed: Electric fuel with A1000 pump and Stealth DIY Dual HPOPs

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post #5 of 14 Old 09-16-2009, 07:52 PM
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Quote:
Originally Posted by GM Duraturd View Post
Early:
120cc injectors
Bigger Turbo (not a typo)
15* HPOP

Late:
140cc injectors
Smaller turbo (not a typo)
17* HPOP

Other small difference which deal with other parts around these main ones. These are the main differences.
say what? Did the early 99's not have the same turbo as OBS but intercooled....??

Old Truck: 00 F350 XLT DRW: basic first few mods. S&B, 4" straight pipe, gauges, CCV, EBPV and Wastegate line deletes, LED Sills, sweet custom headlights, smoked cab lights, Ventshades, Tint.
Traded in at 196k miles.

"Brand Newish" Truck: 02 Chevy S10 2.2L 5sp. Reg cab 4x2. Badass custom made shifter, foglights, 20% tint, AVS Vent-shades, Stock Intake mods, Electric Fan conversion .
~ 95k miles.
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post #6 of 14 Old 09-16-2009, 08:06 PM
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Quote:
Originally Posted by Liquidx203 View Post
Doesnt it have a completly different intake manifold?
Well the late 99's have a 3" holes instead of the 2" on the late 94 through early 99.
Quote:
Originally Posted by TurboSevenThree View Post
say what? Did the early 99's not have the same turbo as OBS but intercooled....??
No, it was a slightly different turbo without a waste gate!

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1997 Ford F-350, Dually conversion, Cobra 29 LX CB, 12000 watt converter, All LED lights, TW tunes, 4" DP, Napa Intake, coolant filter, 140cc Injectors and lots of running lights.

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post #7 of 14 Old 09-16-2009, 08:09 PM
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here's the link
Differences between early99 and late99-03 trucks

Illiana Strokers DICtator
EFI Live tuned 6.7
97 F350

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post #8 of 14 Old 09-16-2009, 08:13 PM
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Quote:
Originally Posted by TurboSevenThree View Post
say what? Did the early 99's not have the same turbo as OBS but intercooled....??
The OBS turbo housings are bigger than the SD turbo housings

Nick, BPS Historian
1995 F-250 4x4 7.3 Powerstroke
Isspro Gauges, Tony Wildman Tunes, PSGH Stage 1 Injectors, Early 99 Intercooler, ATS Stage 6 E4OD, TCI Tranny Cooler, Snow Water/Meth, Traction Bars, EBPV Brake, TC Lockup Switch, Spray-on Liner, K&N Intake w/ NAPA 6637 Filter, 3" downpipe, 5" mitre stacks.
Waiting to be installed: Electric fuel with A1000 pump and Stealth DIY Dual HPOPs

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post #9 of 14 Old 09-17-2009, 06:55 AM
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Quote:
Originally Posted by GM Duraturd View Post
The OBS turbo housings are bigger than the SD turbo housings
Early 99 does not use an OBS turbo housing. Same as the late model turbo housing, just smaller. OBS had a 1.15 A/R non-wastegated exhaust housing, SD exhaust housing is 0.84 A/R wastegated.

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post #10 of 14 Old 09-17-2009, 07:23 AM
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early 99 also has a wicked wheel doesnt it
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