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I dont visit down here much but Im looking for a little 7.3 help/advice. My main diesel buisness is the 6.0, and I know them pretty well and what works and what doesnt.
So....I have a customer with a 99 F-450 2wd with a 7.3 in it. It has a bad turbo bearing, so I was looking for a A/M bolt on that doesnt need custom tuning, and will possibly support bigger innectors at some point. The truck is used to haul a seal coat hopper on a flat bed, and possibly pull a trailer too.
I realize I may not beable to have a A/M turbo that will support A/M injectors without tuning, so any and all options are welcome.
How soon is the customer looking to upgrade? Rebuilding the stocker is super easy and would save some money until he is ready. If he's looking to do the upgrade injectors in the new future, the Garrett Powemax GTP38R is a good drop-in replacement for both stock (no tuning necessary) and upgrades. That is the turbo, I'm running, with single shot injectors and supporting over 450 rwhp.
Stock rebuild will be quickest. Also there is a new variant on what is typically referred to as the "Wicked Wheel" (though that is trademarked). The WW is basically a turbo wheel that reduces surging. The New Billet WW2 is a billet piece that is showing good results in increasing boost while reducing surge.
So....
Option 1
Rebuild kit: about $100 in parts + labor New Gen WW2: $229
It depends on your cusotmer's budget, but that 38R has a crazy-fast spool-up when compared with stock... and it is rated for 10 PSI more boost than stock, with a stick-up.
Caveats to the 38R:
More air means more throughput. A 4" exhaust from turbo-back is ideal for this and future upgrades, and the Ford AIS intake is what I run.
It's a loud bugger, but we're back to the AIS... which is the quietest intake on the market for brawny boost bumpers.
The stock CAC boots, the 4 lower clamps, and the neck on the intake plenums aren't always up for this. Many turbo upgrades include a CAC boot kit from Riffraff Diesel and intake plenum inserts.
I actually blew an intake plenum seal and it could have been repaired, but I chose billet intake plenums with O-ring seals for the sake of durability and longevity.
If your customer has his heart set on this, he needs to realize modifications of this nature are not just a matter of upgrading one component - it's a system upgrade, which can get pricy and involved. Some will say my approach was overkill, others will say it's the only way to prevent future problems when injectors get a bump. I get between 375 and 400 RWHP with my upgraded sticks and tunes.
The one saving grace here: You won't need to remove a single head stud to sneak up on 450 HP. Above that, it depends on the engine year (PMR or forged rods).
The 38R on a 7.3 isnt too bad noise wise, my friend has one with a 4" TB dual exhaust and AFE intake and the whistle isnt much at all. Maybe im just used to my ridiculous 2003 6.0 whistle
He doesnt want to put the money into the stock turbo, his plan is to upgrade the injectors to something mild. He wants to keep it reliable because he uses it for his buisness, as a seal coater its only a truck he uses in the Spring/Summer/Fall, so it sits all winter.
It has the badging on the door so I dont think its an e99
If you're going to be playing with the turbo, you need to sell him a set of bellowed up pipes. An upgraded turbo is just going to get a boost leak at the donut gasket on the Y collector behind the turbo. The 6.0 came with bellowed up pipes because International realized they could do better than the donuts (but they got a little over confident with their head studs )
International sells the up pipes. Dorman even has a set for much less that the jury seems to still be out on.
He doesnt want to put the money into the stock turbo, his plan is to upgrade the injectors to something mild. He wants to keep it reliable because he uses it for his buisness, as a seal coater its only a truck he uses in the Spring/Summer/Fall, so it sits all winter.
It has the badging on the door so I dont think its an e99
Sarge
Badge on the door means 99.5. That's good. My engine had some air upgrades, seen in these successive photos:
If you're going to be playing with the turbo, you need to sell him a set of bellowed up pipes. An upgraded turbo is just going to get a boost leak at the donut gasket on the Y collector behind the turbo. The 6.0 came with bellowed up pipes because International realized they could do better than the donuts (but they got a little over confident with their head studs )
International sells the up pipes. Dorman even has a set for much less that the jury seems to still be out on.
Where do I get these bellowed up pipes...Riff Raff?
12/98 is the build date...so is this considered a E99?
Also with the GT38R can I get away with out the bellowed up pipes for now, he doesnt want to spend the money...even though I told him it would be easy to get to now.
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