GTP38R Big difference over stock? - Ford Powerstroke Diesel Forum
User Tag List

LinkBack Thread Tools Display Modes
post #1 of 3 Old 04-05-2008, 03:06 PM Thread Starter Rookie
Join Date: Dec 2007
Posts: 21
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
GTP38R Big difference over stock?

I'm looking at GTP38R, and wanted to get some input from anyone who has uprgraded from stock with this turbo. How much difference did it make? Lot more power? What about MPG if ya take it easy with it?

2003 F350 Crew Cab 4X4
TS Performance 6 pos with Wildman tunes, 3 Pillar, EGT, Boost, Trans gauges, 5 inch turbo back straight pipe, Banks wheel, & Turbo Master wastegate, 2 inch lift
Soon to install Zoodad and Amsoil dual bypass filter.
fredbear is offline  
Sponsored Links
post #2 of 3 Old 04-05-2008, 04:11 PM
Emergency Services
RedMule's Avatar
Join Date: Feb 2008
Location: Brazoria,TX
Posts: 447
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
Can't help you much with this as I added injectors at the same time and some other stuff. Did these additions make a difference in power? Yes!! As far as the MPG's go, cruising or towing I don't see alot of difference. I have a hard time keeping my foot out of it around town so it is hard to tell there.

01 LWB CC SRW 4x4 7.3 auto
Stage II's,HPX, In tank and pre-pump mods,regulated return
AFE stage II,Garrett BB Turbo,4" turbo back, ITP overboost annihilator, 10 pos. DP Tuner,
Motor and tranny rebuilt. forged rods,Mahle pistons, all balanced, new valves,Comp 910's,C/M P-rods,ARP Studs , homemade AIH delete kit, twin TRU-Cool tranny coolers,Ride-Rite air bags B-D X-Monitor
Don't worry about the Mule, just load the wagon.
RedMule is offline  
post #3 of 3 Old 04-07-2008, 12:26 PM
International Threat
Marty's Avatar
Join Date: May 2006
Location: Elkton, MD
Posts: 13,088
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Thanks: 0
Thanked 9 Times in 5 Posts
Feedback Score: 1 reviews
There won't be much of any difference. You need more fuel to light the bigger turbo...

It'll pull harder top end and smoother, but it'll lag slightly more then your factory turbo off the line.

You'll see less "boost" because you're moving larger volumes of air... which is better.

2001 F250
11.62 @ 115.79
Owner of Marty's Diesel
Elkton, Maryland
Marty is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome