Upgrades and Aftermarket - 7.3L EngineUpgrading and adding aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">I know it will, but for an extra $1000 is it worth getting to satisfy his hp goal? PS...I only live 30 minutes away from the person who developed the QSSB. </div></div>
I'm pretty satisfied with what the extra $1000 bought and I'm still running stock injectors. However, if I was staying with stock injectors, I'd have probably gone with a TN. I'm not gonna enter the whole surge war with the Garrett BB but too much has already been said and you know how it goes, "where there's smoke....". I also believe that you get what you pay for.
So being that you only live 30 minutes away from the dude that developed the QSSB, what does that make you? His neighbor? [img]/forums/images/%%GRAEMLIN_URL%%/grin.gif[/img]
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: PwrStrokinDually</div><div class="ubbcode-body">I know it will, but for an extra $1000 is it worth getting to satisfy his hp goal?
PS...I only live 30 minutes away from the person who developed the QSSB. [img]/forums/images/%%GRAEMLIN_URL%%/whistle.gif[/img] </div></div>
Maybe 30 minutes on a 10 speed bike.
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99.5 F-350, 6 speed - DI Tuning, DI B-Codes, DI Reg Return, DI One piece up-pipes, DI Pushrods, DI Intercooler, DI HX-crossover, DI Intercooler, ARP Head Studs, Garret GTP38R, FASS 150/150, Magnaflow Turbo back, Boost pressure regulator, Comp 910 Valve Springs, South Bend Con-FE Clutch, AFE Stage II, Autometer Sport Comp II gauges
Enabled me to learn more about turbos and forced induction the past year I've met him than over the past 15 years of working with them. And practically neighbors. [img]/forums/images/%%GRAEMLIN_URL%%/grin.gif[/img]
What diameter is the stock Garrett compared to the 38r or TN? And are we talking intake impeller diameter or exhaust side?
What's the max sustained psi either turbo will push without turning into a grenade? Factory Garrett is 25psi correct?
Does your intake filter setup affect surge a lot? Would a AFE stage2 be better than AIS for surge or worse?
I'd have to say, everyday driving for me sees a lot of 1500-2000rpm so a turbo that is slow to spool would disappoint me.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: DarkShadowDiesel</div><div class="ubbcode-body">preference.
facts about the two:
the map on the 38r shows the surge line farther to the right than on the TN, which explains why some have surged. ANY turbo will surge under the right conditions.
the TN is 61mm the garrett is 66mm - the result is the garrett flows a bit more air. the dyno comparison i was informed of (scheid) showed a 12 peak hp difference between the two (the garrett was higher). that was the old journal bearing TN.
TN has a ceramic BB on the comp side, the turbine side is journal bearing - that is how it was designed.
garrett has a dual BB center section.
both designs have their merits.
fwiw if you plan on going past 500whp, there is a high output version of the TN in testing that is supposed to flow more than the garrett - it uses some GT-K parts/F1 turbine wheel.
basically pick a vendor and go. i run a TN BB from BWD. they sell turbos from both mfgs. plenty of others sell the garrett with satisfied customers - DI, ITP etc.
lots of happy customers either way, so you won't go wrong. </div></div>
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: westvandude</div><div class="ubbcode-body">What diameter is the stock Garrett compared to the 38r or TN? And are we talking intake impeller diameter or exhaust side?
What's the max sustained psi either turbo will push without turning into a grenade? Factory Garrett is 25psi correct?
Does your intake filter setup affect surge a lot? Would a AFE stage2 be better than AIS for surge or worse?
I'd have to say, everyday driving for me sees a lot of 1500-2000rpm so a turbo that is slow to spool would disappoint me.
</div></div>
impeller - 61mm vs. 66mm
my guess is the TN HO will be 66+mm.
garrett recommends 40psi max. TN does not list a boost limit but says 400+hp is ok. "upgraded injectors, IC, programmer, recommended"
i would go with an AFE2 intake. don't know that it'll affect surge, but both turbos could use the additional air.
neither turbo will disappoint you on spool. my TN BB spools as fast/faster than stock.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: forddieselking</div><div class="ubbcode-body">There is a pretty good deal on the turbonetics BB turbo through Jegs. It's $1292.99 with free shipping, part number 880-11117-BB </div></div>
You can post that on every forum you want but that deal never existed for the BB unit... The price they list is for the bushing TN turbo.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CSIPSD</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: forddieselking</div><div class="ubbcode-body">There is a pretty good deal on the turbonetics BB turbo through Jegs. It's $1292.99 with free shipping, part number 880-11117-BB </div></div>
You can post that on every forum you want but that deal never existed for the BB unit... The price they list is for the bushing TN turbo. </div></div>
I called them too and they say that part number is for a BALL BEARING turbo.. I also called turbonetics directly and asked them about that part number and TN even says that part number is for a BALL BEARING turbo.. So unless JEGS posted the wrong part number, that one IS for a BB unit just FYI..
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Ironhide</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CSIPSD</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: forddieselking</div><div class="ubbcode-body">There is a pretty good deal on the turbonetics BB turbo through Jegs. It's $1292.99 with free shipping, part number 880-11117-BB </div></div>
You can post that on every forum you want but that deal never existed for the BB unit... The price they list is for the bushing TN turbo. </div></div>
I called them too and they say that part number is for a BALL BEARING turbo.. I also called turbonetics directly and asked them about that part number and TN even says that part number is for a BALL BEARING turbo.. So unless JEGS posted the wrong part number, that one IS for a BB unit just FYI.. </div></div>
You will be dissapointed if you order that turbo and when it shows up you have the bushing model...
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