Stock FAQs

how much boost can a stock 7.3 handle

by Dr. Humberto Mertz III Published 3 years ago Updated 2 years ago
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30-35 psi

Full Answer

How much boost should a stock 7 3 have?

How much boost should a 7.3 have normally? Max of around 17 PSI with stock intake, exhaust and tune. Improve the intake and exhaust and you can get about 21 max. Add a go-fast tune and you can bust the 25 PSI redline of the stock turbo.

How much boost do you add to a trailer?

Add an 8,000 pound trailer and the boost increases about 2 PSI in each condition. Max boost will come with pedal to the metal and accelerating through the gears from low speed to over 60 MPH in a drag race.

How to get Max boost?

Max boost will come with pedal to the metal and accelerating through the gears from low speed to over 60 MPH in a drag race. Add a trailer and climb a mountain pass at the max speed you can make without exceeding the 1,250° pre-turbo EGT redfine and you'll see your max boost.

How much boost do you get in overdrive?

I can easily get the boost up to 10 lbs when i step on the pedal a little while climbing a hill in overdrive not towing anything. I get a maximum of about 18.5 lbs in drive climbing a 8% grade with the engine turning around 2800 - 2900 rpm towing my trailer.

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How much power can a stock 7.3 handle?

The 7.3 Powerstroke is a two-valve behemoth which measures in at 444 cubic inches and has a maximum stock power rating of 275hp and 525lb.

How do you get the boost out of a stock 7.3 turbo?

3:5416:21Ford 7.3 Powerstroke Build More Boost For FREE!!! - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhich means you're not going to be building boost as quickly so quick and easy upgrade to do is toMoreWhich means you're not going to be building boost as quickly so quick and easy upgrade to do is to actually adjust this mechanism. So that it doesn't open up as early. Right.

How do you make a 7.3 have more power?

Exhaust is another simple, basic bolt-on upgrade for the PowerStroke 7.3. One of the main ways to increase power is to get more air into the engine as efficiently as possible. However, that air also has to exit the engine efficiently. That's where 7.3L Power Stroke exhaust mods come into play.

What is a boost fooler for 7.3 Powerstroke?

The boost fooler allows the truck to function normally but tricks the computer by only allowing it to see lower normal boost levels. This is a inexpensive and simple product that is a must have for any modified truck. It is installed inline with the truck's map sensor and it's preset to 22psi.

How much boost can an OBS 7.3 handle?

30-35 psi'94.5-'99 7.3L: 380 to 400rwhp Either charger can hold up to 30-35 psi of boost for a while, but 40 psi or more is asking a lot for a turbo that was originally intended to see a maximum of 17 to 23 psi.

What makes 7.3 Powerstroke so good?

According to TheDrivingLine.com, the 7.3 liter Powerstroke is reliable because its design is simple and only uses 6 bolts per cylinder. Another reason trucks with these engines are durable is that they feature a fixed geometry turbo and an oil cooler that is located externally.

What is the highest hp 7.3 Powerstroke?

2,180HP and 2,821 LB-FT With the aforementioned 15mm P-pump and the 4.4-inch turbo bolted in place, the engine belted out 2,180 hp (at 4,600 rpm) and 2,821 lb-ft of torque. As far as publicly release numbers are concerned, this makes their engine the most powerful 7.3L on record.

How many MM is a stock 7.3 turbo?

7.3L Power Stroke The 88mm GT compressor wheel provides 33% more flow than the stock 80mm wheel.

Does a cold air intake help a 7.3 Powerstroke?

Ford 7.3 Turbodiesel Upgraded Intake Benefits A few of the benefits in running cold air performance intakes on the 7.3 Power Stroke include: Power & torque gains. Quicker response. Fuel economy.

What is the point of a boost fooler?

A Boost Fooler prevents over boost codes and defueling of the engine do to higher boost pressure. This trick of the ECM will prevent over boost codes (P0234 and P0236) from limiting your engine when using a aftermarket turbo. Hence the name boost fooler.

How does a 7.3 boost fooler work?

0:563:20Does my truck need a boost fooler? - YouTubeYouTubeStart of suggested clipEnd of suggested clipKind which actually fools the electronics it plugs into the sensor. There is the blow-off styleMoreKind which actually fools the electronics it plugs into the sensor. There is the blow-off style where it creates a boost leak by popping off a pop-off valve. And it relieves all the excess.

What is a boost fooler Cummins?

The Boost Fooler will allow you to increase turbo boost to compensate for the added fueling modifications you have made. Enabling your turbo to produce more boost will increase overall horsepower and torque and lower your exhaust temperatures.

How to test for boost leaks?

To test for boost leaks, the best thing to do is rig up a fitting so you can pressurize your system with a compressor and check for leak down. There is quite a bit about this on the internet if you want specifics.

Can a turbo blow headgaskets?

Turbo is way out of it's efficiency range up there but anything under 30 is fine. Stock turbos won't blow headgaskets, it's not the boost pressure it's the actual flow that will make them let go. Sounds like you have a boost leak or your turbine/compressor wheel could be fucked and not building boost.

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