how to get more boost out of stock turbo - Diesel Forum - TheDieselStop.com
Power Strokes 1994-1997 Upgrades and Aftermarket Upgrading or adding OEM or aftermarket equipment to your 1994-1997 Ford F-Series with Power Stroke engine.

 
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post #1 of 9 (permalink) Old 09-20-2012, 03:35 PM Thread Starter
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how to get more boost out of stock turbo

title says it all i have a 96 f250 7.3 i am only seeing 12-15 psi max of boost and i know that the turbo is capable of putting 20+psi i jus want to get to atleast more than 15psi is that all i should put out being stock or do i have a problem do i have a waste gate that isnt operating properly?


thanks,
cam

1996 f250 7.3l powerstroke glowshift gauges boost, egt, and trans temp. rest is stock
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post #2 of 9 (permalink) Old 09-20-2012, 03:37 PM Thread Starter
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and my boost gauge is "t'ed" into my MAP sensor hose could i be getting a bad reading threw their and i have had a error code for my MAP sensor but i cleared it and it never came back so could that be a problem?

1996 f250 7.3l powerstroke glowshift gauges boost, egt, and trans temp. rest is stock
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post #3 of 9 (permalink) Old 09-20-2012, 04:45 PM
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You need a chip to push more fuel to make more boost. And with a chip you should also get a open air intake and get rid of the stock downpipe.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #4 of 9 (permalink) Old 09-20-2012, 05:49 PM
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Short answer is a chip. Long answer is change to a Tymar intake, good downpipe and check for exhaust or intake leaks. If I realllllly hammer on mine I can see 17 or so lbs (maybe 18, but probably 17). I have a DIY intake and a stock DP cut off ahead of the cat. Need to have a good load behind you and run about 3,400 rpm to see anything above what you are seeing. I know there is a different exhaust housing you can put on, but I am pretty sure that moves the stock max boost down in the powerband a bit. Do a search for the 1.0 housing and you'll find some good reading.
AaronSEIA

My Truck:

97 F250 4 door shortbed, E4OD
DIY intake
Kingpin Dana 60
otherwise stock
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post #5 of 9 (permalink) Old 09-20-2012, 06:17 PM Thread Starter
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yea i am only running on the stick down pipe i am running no other exhaust jus cut right off at the cat and i am soon getting a ts performance chip with custom tunes from kt performance and also a a 3inch dp to 4 in dual exhaust or a 3inch dp to 5 inch single straight pipe i am leaning towards the diamond eye 5 inch straight pipe which has the 3 inch dp and if i do a boosted launch i can see a max of 20psi and thats at 3500 rpm butt the egt wer at 1000 degrees should the new exhaust lower the exhaust gas temp?

1996 f250 7.3l powerstroke glowshift gauges boost, egt, and trans temp. rest is stock
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post #6 of 9 (permalink) Old 09-22-2012, 11:45 AM
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All the OBS non-intercooled PSD's do NOT have waste gates. Some people have put S-D intercoolers on but still probably don't have waste gates.

For a mostly stock truck, a single 4" exhaust is plenty. Dual 4" or a single 5" is just a waste of time, effort, & money. A single 4" should be fine to 400-450 RWHP. Stock was 3-1/2".

Denny
'96 F-250 Reg. Cab 4X4 5-sp POWERSTROKE
298,500 mi & NO Problems, LUK Clutch
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post #7 of 9 (permalink) Old 09-30-2012, 10:21 AM
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Make sure you do not have a leak at your up-pipes or exhaust manifolds. Should be able to get close to 20 on a stock motor.

96' F-250 4x4 SB Crewcab, 3.55 gears, rebuilt E4od, Air bags, 2" leveler kit, 10 disc cd changer, Tymar intake, Tymar 4 pos TS chip, 4590 cooler, boost, pyro(pre-turbo) & tranny temp AutoMeter gauges mounted in pillar, Diamond eye 4" exhaust with lost kitty, Tymar 3x4" downpipe, Warn hubs, Prodigy brake controller, Hypermax intercooler, CCV mod,17* HPOP, stage 1 injectors, fpr. Rebuilt tranny with pump and valve body mods, 3 disc torque convertor. Diesel mechanic 20+ years

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post #8 of 9 (permalink) Old 10-07-2012, 03:31 PM
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A quick-spool housing should help with boost. Like a .9 or 1.0 A/R. I almost got one before I sold my truck.

93 W250 6BTA/5spd/D60/D80/3.54/Lockright/HX35/5x.012inj/4" pipe
90 D250 6BT/5spd/D70/3.54/powr-lok
84 Ramcharger (Receiving '90 D250 cummins)

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post #9 of 9 (permalink) Old 10-14-2015, 12:10 PM
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i have a 1997 f250 and with exhaust, intake, and 40hp single position and i can push 27lbs of boost when i get on it.
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