How much boost with TW chip? - Ford Powerstroke Diesel Forum

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post #1 of 20 Old 05-20-2009, 03:00 PM Thread Starter
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How much boost with TW chip?

I just got my gauges installed and when in extreme I seen 28 lbs. of boost once in high gear it seemed like I gained 2 more lbs. once in drive or overdrive not sure, is this all normal or should I have more or less? Also seen 26lbs. in Street tune. Any dyno guesses from expierience people would be appreciated. Thanks guys this forum has been alot of help I didnt know anything a couple months ago about diesels, now I know enough to get me in trouble

2000 F250 CC LB Automatic 4X4
K&N CAI kit
Magnaflow 4" Exhaust
TW chip
Gauges
Sp diesel boost fooler
Wastegate unhooked
315 hp 672Ft.Lbs of TQ
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post #2 of 20 Old 05-20-2009, 03:01 PM
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those are both normal readings....

i would see up to 30-34psi with my setup.. but 28psi is good... you running a boost fooler?

-Raul
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post #3 of 20 Old 05-20-2009, 03:04 PM Thread Starter
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Originally Posted by Raul@Stealth Automotive View Post
those are both normal readings....

i would see up to 30-34psi with my setup.. but 28psi is good... you running a boost fooler?

-Raul
yes i have one in my sig. its the diode thing pretty sure? Also ive noticed i have what seems like a small exhaust leak on drivers side manifold how big a deal is it to fix that? and will that cause me to loose boost?

2000 F250 CC LB Automatic 4X4
K&N CAI kit
Magnaflow 4" Exhaust
TW chip
Gauges
Sp diesel boost fooler
Wastegate unhooked
315 hp 672Ft.Lbs of TQ
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post #4 of 20 Old 05-20-2009, 03:09 PM Thread Starter
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Another ? for someone my truck Knocks at idle off and on but never notice it missing when Im in the throttle any Ideas what this is? I thought I could be having injector issues?

2000 F250 CC LB Automatic 4X4
K&N CAI kit
Magnaflow 4" Exhaust
TW chip
Gauges
Sp diesel boost fooler
Wastegate unhooked
315 hp 672Ft.Lbs of TQ
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post #5 of 20 Old 05-20-2009, 03:09 PM
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Quote:
Originally Posted by WHOSNXT View Post
yes i have one in my sig. its the diode thing pretty sure? Also ive noticed i have what seems like a small exhaust leak on drivers side manifold how big a deal is it to fix that? and will that cause me to loose boost?
i should of noticed that..

an exhaust leak will for sure make you lose boost.... up pipes are a PITA to fix.... easily take the whole day to get them switched out to a new setup
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post #6 of 20 Old 05-20-2009, 03:20 PM Thread Starter
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Quote:
Originally Posted by Raul@Stealth Automotive View Post
i should of noticed that..

an exhaust leak will for sure make you lose boost.... up pipes are a PITA to fix.... easily take the whole day to get them switched out to a new setup
You cant just tighten them up? what all do you have to do?

2000 F250 CC LB Automatic 4X4
K&N CAI kit
Magnaflow 4" Exhaust
TW chip
Gauges
Sp diesel boost fooler
Wastegate unhooked
315 hp 672Ft.Lbs of TQ
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post #7 of 20 Old 05-20-2009, 05:30 PM
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Originally Posted by WHOSNXT View Post
You cant just tighten them up? what all do you have to do?
Good Luck! I had the same problem. Let the truck cool down, fire it up, get underneath it, run your hands from manifolds up to back of turbo, most likely it will be leaking from the Y collector that goes into the back of the turbo. My truck only had 70K on it everyone said bellowed up pipes, but i did not have the money so I bought the ford donuts gaskets and took my time. They worked for me on my truck but I think the low mileage helped.

2001 F250 SuperCab 4x4 Larait, 103K, 5in Turbo Back MagnaFlow Kit, 6637 Intake, AIH Delete, CCV Mod, Wicked Wheel, Triple Gauge Pod with Autometer Cobalt Gauges, New Tranny - Billet Converter, TransGo Shift Kit, Race Clutches, HD Sprags, and HD Snap Ring Kit, PHP FU Chip, Rough Country 4" Lift Kit, Weld Racing 17X10 Velociti 8's and 35 BFG KM2's

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post #8 of 20 Old 05-20-2009, 06:40 PM Thread Starter
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Originally Posted by trailtoy83 View Post
Good Luck! I had the same problem. Let the truck cool down, fire it up, get underneath it, run your hands from manifolds up to back of turbo, most likely it will be leaking from the Y collector that goes into the back of the turbo. My truck only had 70K on it everyone said bellowed up pipes, but i did not have the money so I bought the ford donuts gaskets and took my time. They worked for me on my truck but I think the low mileage helped.
Its leaking right at the manifold (DRIVER SIDE) where it bolts to the up pipe I can see all the black carbon build up. so it might not be bad to fix?

2000 F250 CC LB Automatic 4X4
K&N CAI kit
Magnaflow 4" Exhaust
TW chip
Gauges
Sp diesel boost fooler
Wastegate unhooked
315 hp 672Ft.Lbs of TQ
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post #9 of 20 Old 05-21-2009, 03:41 AM
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Boost isnt what makes power. If you are seeing 26lbs of boost I think you are doing just fine. A stock turbo is only rated at 24lbs anyway.

As for the exhaust leak you might be able to tighten that up a little but to fix it depending on how bad it is leaking.

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post #10 of 20 Old 05-22-2009, 05:35 AM
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I can hit 24-26 @ WOT with a POS bullydog

99.5 F-250 Lariat 4x4 CC
-Isspro's in A-pillar
-5" TB into 6" miter
-Recon smoked cab lights
-Bullydog "mileage" chip *Matts tunes in 2 weeks*
-Warn hubs
-DIY intake, Foil delete
-Hankook MT 285's
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