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post #1 of 7 Old 02-04-2011, 01:06 PM Thread Starter
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boost?

i have a early 99 with full 4" exhaust no muffler. K&N drop in filter. bullydog 4 position chip. vacume line for waste gate is plugged (done by pervious owner). my problem is it really not making over 1 or 2 psi until i really get on it. and if i give it some throttle just sittin still the boost gauge hardly moves. COuld the waste gate be open all the time and thats why its not making much boost? thanks for any help/suggestions

new truck
2006 6.0
2.5 leveling kit
full mbrp exhaust
s&b intake, sct looney

old truck
Early 99 7.3
Precision Metal fab 4" lift
18x9 XD rockstars
35x12.50 trail grapplers
05 grille
WAAG Brush guard
Boost & EGT
4" exhaust
Bullydog 4 position chip

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post #2 of 7 Old 02-04-2011, 01:38 PM
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Get rid of the drop in filter before you dust your engine, and thats about what my last truck did ( was an early 99) how much boost do you make when it is reved out?


2000 DRW CC 7.3
Exterior: 08 Exterior Clone, 22.5's
Engine Mods: GTP38R WW2, 5 inch exhaust,T500, 6637, TW tunes,DI Up pipes, 6.7 fuel pump fuel system.
Trans Mods: 6.0 trans cooler, JW Valve body,Billet triple disc converter.
Sound Mods: 7" flip out tv, 3-way speakers all around, 12" sub, 500 watt amp.
Misc:dieselsite coolant filter, max ac assist, BRV, IHD,gauges, CCV

Next up power rear window
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post #3 of 7 Old 02-04-2011, 03:01 PM Thread Starter
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it will max out my gauge when ya have it to the floor but i just figured it would make more boost at cruising speeds. and i want to get a S&B filter but im a broke college student and just had to get my car worked on and cant afford one right now or i would have already.

new truck
2006 6.0
2.5 leveling kit
full mbrp exhaust
s&b intake, sct looney

old truck
Early 99 7.3
Precision Metal fab 4" lift
18x9 XD rockstars
35x12.50 trail grapplers
05 grille
WAAG Brush guard
Boost & EGT
4" exhaust
Bullydog 4 position chip


Last edited by mpage18; 02-04-2011 at 05:12 PM.
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post #4 of 7 Old 02-04-2011, 04:55 PM
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Make a DIY intake, you can get a kit from riff raff diesel for less than 50 bucks.

btw check all your IC boots for tightness and your uppipes for leaks.
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post #5 of 7 Old 02-04-2011, 05:18 PM
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Sounds normal, boost will change according to your driving and the load put on the motor and on how the chip is tuned but I would reconnect the wga line cause the tune sets the boost also
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post #6 of 7 Old 02-04-2011, 05:20 PM
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Quote:
Originally Posted by mpage18 View Post
it will max out my gauge when ya have it to the floor but i just figured it would make more boost at cruising speeds. and i want to get a S&B filter but im a broke college student and just had to get my car worked on and cant afford one right now or i would have already.
Yeah I hear you on the broke college student deal, Im right there with ya! and that sounds about right. I could have made 30 psi when I had my early 99 floored but it didnt make barely anything just cruisin.


2000 DRW CC 7.3
Exterior: 08 Exterior Clone, 22.5's
Engine Mods: GTP38R WW2, 5 inch exhaust,T500, 6637, TW tunes,DI Up pipes, 6.7 fuel pump fuel system.
Trans Mods: 6.0 trans cooler, JW Valve body,Billet triple disc converter.
Sound Mods: 7" flip out tv, 3-way speakers all around, 12" sub, 500 watt amp.
Misc:dieselsite coolant filter, max ac assist, BRV, IHD,gauges, CCV

Next up power rear window
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post #7 of 7 Old 02-04-2011, 05:46 PM Thread Starter
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ok thanks for all the input. i was just curious. i guess its all normal

new truck
2006 6.0
2.5 leveling kit
full mbrp exhaust
s&b intake, sct looney

old truck
Early 99 7.3
Precision Metal fab 4" lift
18x9 XD rockstars
35x12.50 trail grapplers
05 grille
WAAG Brush guard
Boost & EGT
4" exhaust
Bullydog 4 position chip

mpage18 is offline  
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