loss of torque...wtf, fixed - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 07-31-2014, 04:33 AM Thread Starter
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loss of torque...wtf, fixed

OK, guys, once again this forum kicks ***. I posted a problem / question a few weeks ago about towing 2000lbs up some colorado mountains, blowing smoke, and high EGT's. Y'all came back with a boost leak.
Yup. I popped the hood and started looking around. The intake manifold, the black Y lookin' thing behind the fuel filter was askew. It was off just a bit. The boots were holding it on, but a visual was easy to see that it wasn't flush. I loosened up the clamps, readjusted the seating position, made sure all was flush and tight. Tightened up the clamps. And WOW. what a difference. Before if I got into the accelerator I might make 5 lbs of boost. That's it.
Now, I make 5lbs of boost just leaving the stop light. Getting on it I can hit 15lbs. The truck seems a lot more responsive. Told my buddy I wanted to hook up his utility trailer and go driving in the mountains again just to see and feel the difference.
Thanks to all
T
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post #2 of 16 Old 07-31-2014, 06:22 AM
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Sweet! Glad you were able to find and fix the problem. You are right, this is one of the best resources on the web. Lots of great people with way more experience and knowledge then any service tec at any shop. Best of all we help each other for FREE and keep the money in the workin mans pocket.

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post #3 of 16 Old 07-31-2014, 08:19 AM
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You should be able to hit more than 15lbs, but that's way better than before

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post #4 of 16 Old 07-31-2014, 08:49 AM
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Quote:
Originally Posted by hucorey View Post
You should be able to hit more than 15lbs, but that's way better than before

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Question on a 100% stock 94-97 truck how much boost should you be able to make??

the reason I ask is I have a 1995 truck all stock and its makes 15 pounds of boost.
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post #5 of 16 Old 07-31-2014, 08:59 AM
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When my truck was stock I would have to have a load on the back to hit 15 pounds. Now with my mods below I hit 25 - 30 pounds no problem.

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Fresh Turbo with 1.0 Housing & Wicked Wheel II, 3" downpipe with 4" exhaust, Intercooled, 6.0 Fan, 39 gal rear fuel tank + 70 gal Transfer Flow in the bed, Hydroboost, Completely New Suspension (Springs, Shocks, Bushings),08 Rear Diff Cover, Baby Swamps, Hydra Chip with Swamps Tunes, and Swamps IDM, Dually Swap, Tru-Trac locker in the rear, Red Head Steering Box and Borgeson Steering Shaft

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post #6 of 16 Old 07-31-2014, 09:12 AM
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Originally Posted by hucorey View Post
You should be able to hit more than 15lbs, but that's way better than before

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Id say thats about right for a stock OBS truck Corey, the turbo is bigger so you wont build as much as a SD would. Plus the smaller sticks make it hard to get above 20.

Quote:
Originally Posted by jmcclesk View Post
Question on a 100% stock 94-97 truck how much boost should you be able to make??

the reason I ask is I have a 1995 truck all stock and its makes 15 pounds of boost.
See above^^

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post #7 of 16 Old 07-31-2014, 09:21 AM
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thanks for the input. When you say smaller sticks, you mean injectors correct???
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post #8 of 16 Old 07-31-2014, 09:33 AM
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Quote:
Originally Posted by jmcclesk View Post
thanks for the input. When you say smaller sticks, you mean injectors correct???
Yes sir, 94.5-97 OBS had 90cc(save cali-models) and l99+ had 120cc

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Originally Posted by access_max View Post
With the issues fixed a 6.0 can run circles around a 7.3.
2000 F-350 7.3L ZF6
Standard 7.3 mods
SCT tuned
8" Fabtech lift 13" total
5:13 Gears
46" Goodyear MVTs Military takeoffs
Bushwacker Cut-Out Fender Flares
Ranch Hand front and rear bumper
On-board air W/Semi horns

1995 F-350 7.3L E4OD DRW
Standard 7.3 mods
PHP Hydra W/Tony Wildman tunes
160/0 Injectors
T-500 HPOP
E-fuel Conversion
West Coast mirrors
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post #9 of 16 Old 07-31-2014, 09:56 AM
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Ok one more dumb question (promise last one). the door sticker says conforms to federal standards. the sticker on the valve cover says conforms for federal AND California standards. build date 05/95. Was original sold out of Chico California. Can I assume it is a CA model truck?? I guess the best way is to check the calibration code on the computer.

thanks for all the info.
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post #10 of 16 Old 07-31-2014, 10:12 AM
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Quote:
Originally Posted by Rammstein1224 View Post
Id say thats about right for a stock OBS truck Corey, the turbo is bigger so you wont build as much as a SD would. Plus the smaller sticks make it hard to get above 20.



See above^^

No it's really not that hard to get above 20 on a stock motor I do it routinely in both my 94 and 97 with stock injectors and no tuning


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