some questions on a mild 7.3 build

97BambiBasherPSD · Dec 12, 2013

David N said:
Stock turbo and 50psi? Wow. I really don't believe that.

I used to have a video of it buryin the 60psi gauge. It would do it without an issue. It sounds hard to believe but it did it.

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V-Ref · Dec 12, 2013

DHFF said:
Can you drill a hole somewhere in the up pipes and just install a sensor to monitor this? Like maybe with a compression to copper then switch to tubing where its not hot? I want both gauges in the cab on mine but am unsure where I can pull BP from.

http://powerstrokearmy.com/forums/showpost.php?p=85311&postcount=6

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Dmstrucks02 · Dec 12, 2013

97BambiBasherPSD said:
I used to have a video of it buryin the 60psi gauge. It would do it without an issue. It sounds hard to believe but it did it.

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How long has that turbo lasted

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MossBack · Dec 12, 2013

I would love to know too... My stocker only lasted 8k miles and 35-40 psi with the 180/100 but it was 180k original turbo with 50k miles having a .84 housing (stock injectors) went back to 1.15 with new injectors. I found out while installing new hpop's that I have 1/4" in and out play and some wheel to housing contact going on...

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97BambiBasherPSD · Dec 12, 2013

Dmstrucks02 said:
How long has that turbo lasted

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Well the original only lasted one day before it contacted the housing and messed up the comp wheel a little but I drove it for another 5 months like that. The current one has lasted about a year seeing 50psi every time I drove it. Last time I checked it didn't have any play

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Dmstrucks02 · Dec 12, 2013

97BambiBasherPSD said:
Well the original only lasted one day before it contacted the housing and messed up the comp wheel a little but I drove it for another 5 months like that. The current one has lasted about a year seeing 50psi every time I drove it. Last time I checked it didn't have any play

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Damn that's a pretty good run

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97BambiBasherPSD · Dec 12, 2013

Yeah and it's still spooling just fine. I'm shocked as hell as to how robust it is

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JD3020 · Dec 12, 2013

97BambiBasherPSD said:
I used to have a video of it buryin the 60psi gauge. It would do it without an issue. It sounds hard to believe but it did it.

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Are you sure the gauge is accurate?

I've seen about 52-53 out of my stock turbo, and the D66 once, and that was pretty much full fuel. I hope your truck has valvesprings, if not theres prolly 80-100psi of backpressure so your exhaust valves would be bouncing off the pistons.

And i got 5k miles out of a fresh re-built stock turbo with these injectors.

97BambiBasherPSD · Dec 12, 2013

Gauge is accurate as hell. We tried it on another truck and works perfect. Nope I'm on stock spring and head bolts lmao as far as I know it hasn't had any contact but I don't go over 3k unless I'm pulling and that's beating easy on it when it's past that mark

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smokinstroker92 · Dec 12, 2013

97BambiBasherPSD said:
the best tip iv gotten with helping keep a 7.3 somewhat competitive is make as much traction as you can. that should help out with the lack of power compared to others

This is almost as important as hp. When i ran stock injectors i was way under powered but had my truck setup well and made all the difference in the would. Would usually end up placing, even 1st one time. Traction is key!!!!

If you can hang weights, hang as much as possible as far forward as your rules allow. If your rules allow, a hitch that pulls as far forward on the frame as allowed. Traction bars. Stiff knees. Lockers in the front and back. And good tires with the back pumped up and the front as low as possible without hopping.

For engine i would run 250-300/200s and the D66(stock appearing), studs, springs, prods, HFHV IDM, and supporting mods. As well as alottt water to keep it cool maybe mix a little meth in if your feelin froggy.

Depending on gearing in your truck should be able to hold 3rd down the track and unlock the converter at the end or it will fall on its face when the weigh hits. Just what i would do for a workstock truck

97BambiBasherPSD · Dec 13, 2013

You have it spot on Bryan. That's what I'm aiming for but with a 5 speed and 4th gear

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lincolnlocker · Dec 13, 2013

97BambiBasherPSD said:
You have it spot on Bryan. That's what I'm aiming for but with a 5 speed and 4th gear

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Thats a big gear man..... I wouldnt go past 3rd low. Id change gearing and or taller tires.

live life full throttle

97BambiBasherPSD · Dec 13, 2013

I run 35s and 3rd low just runs out really quick. I need more wheel speed. Or I might go back to 33s. Iv got 410s. I'll be welding both ends too

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lincolnlocker · Dec 13, 2013

97BambiBasherPSD said:
I run 35s and 3rd low just runs out really quick. I need more wheel speed. Or I might go back to 33s. Iv got 410s. I'll be welding both ends too

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What all do you have done to your truck to make rev out with 35inch tires in 3rd low?

live life full throttle

97BambiBasherPSD · Dec 13, 2013

Fuel system, RR, 250/200s, Valair DD, and a few other odds and ends

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TyCorr · Dec 13, 2013

lincolnlocker said:
What all do you have done to your truck to make rev out with 35inch tires in 3rd low?

live life full throttle

I gotta hear that too.

Im not buyin it.

lincolnlocker · Dec 14, 2013

97BambiBasherPSD said:
Fuel system, RR, 250/200s, Valair DD, and a few other odds and ends

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Studs, valve springs? 3800+rpm?

live life full throttle

97BambiBasherPSD · Dec 14, 2013

Nope I don't have that stuff yet. I can hold 3400 without a problem. I wanna get past 4k. So I'll be doing the springs and studs when I do the full rebuild

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TyCorr · Dec 14, 2013

97BambiBasherPSD said:
Nope I don't have that stuff yet. I can hold 3400 without a problem. I wanna get past 4k. So I'll be doing the springs and studs when I do the full rebuild

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I need to get those three things done here too. Injectors will be here shortly.