Max Safe boost on stock motor - Ford Powerstroke Diesel Forum
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post #1 of 48 Old 09-20-2008, 02:21 PM Thread Starter
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Max Safe boost on stock motor

I was told that 6.0 liters can lift the head with just a programmer. I was wondering if this is a problem with the 7.3. I was planning on adding a DP tuner chip, but don't want to have head gasket problems.

What is the max safe boost on a stock motor?

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post #2 of 48 Old 09-20-2008, 02:29 PM
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i think its like u good up to 35 or 40 psi on a 7.3 but that will take sticks (injectors) or a turbo maybe even both u will be fine with even some more mods than the dp,,, but im sure some ppl will come along and talk u into gettin a tw tony wildman chip i have no exp with them but they say they are the best...

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post #3 of 48 Old 09-20-2008, 02:43 PM
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Not an issue, you have to be buidling some serious ponies!! Above 400 I would be looking for head studs.
The stock turbo shouldn't be pished past 25 psi and you won't push it much over that without serious moding. I pull 25-26 lbs with my mods at WOT.

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post #4 of 48 Old 09-20-2008, 02:47 PM
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i pull 28 with a edge juice and a intake

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post #5 of 48 Old 09-20-2008, 03:38 PM
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I'm maxing at 25-26psi with my mods. That's at WOT and at higher speeds though. It shifts at about 21, then at like 70 and up it'll go to 25 or 26 mashing it.


I know 103psi will split a 7.3's block and break/bend about everything but the cam Anybody else see that thread?

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.
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post #6 of 48 Old 09-20-2008, 03:53 PM
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ur making 26pounds with stock programming?

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post #7 of 48 Old 09-20-2008, 04:02 PM
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I made 30 on stock...and haven't found out on the wildman yet

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post #8 of 48 Old 09-20-2008, 04:12 PM
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Quote:
Originally Posted by 00strker View Post
ur making 26pounds with stock programming?
Sure am. Did you read my sig?

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 #9 of 48 Old 09-20-2008, 04:21 PM
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o ic c 10k mod now the 30 on stock sounds a little far

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post #10 of 48 Old 09-20-2008, 04:29 PM
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Quote:
Originally Posted by 00strker View Post
o ic c 10k mod now the 30 on stock sounds a little far
5.6k and the fooler, and the wastegate delete primarily. The 10k only got me 18 psi sadly.

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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