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| 1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
Mon, September 19th, 2011, 03:53 PM
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Haha yea, I had to get my thoughts together before I could explain it. If I'm wrong, I'd still like someone to explain it so I would be correct if I'm ever asked again.
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01 F350 7.3 4x4 CC SRW/3.73/315-75-16/Aeroforce Interceptor/BD Thruster II/ Bellowed Up-Pipes/4" turbo back exhaust/CCV Mod/DIY 6637/FPR Shimmed to 65 PSI/TS chip reburned with PHP tunes (Stock, 40T WITH Whsiper tune, 80DD, 100R, 140Ex, 140SS)/Replaced and Cleaned EBPS & Tube 4-6-12/Zoodad mod/Recon smoked cab lights/MM Hubs/Cowl Hood/HPx 
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#2
Tue, September 20th, 2011, 01:47 AM
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yeah 21 is nothin.. i can nail 25 at WOT no problem.. how are your EGT's?
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2002 7.3 F250 Supercab Shortbox DIY intake CCV dumped Autometer gauges WW/ATS 1.0 exhaust housing Hutch/Harpoon in tank mods/hpX line AIH delete/ebpv delete TruCool trans cooler Straight piped PHP FU 
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#3
Tue, September 20th, 2011, 02:12 PM
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last I saw, egts were normal. EGT gauge has been outta wack past couple of months. Gotta get another probe or gauge
Edit: Just ordered another probe, so hopefully it will be here by Friday and have it installed this weekend. Its been bugging the crap out of me. I hope that is the fix. The techs told me how to test the gauge so hopefully its not the gauge. I bought the whole set for $200. But buying the probe itself is $50 and the EGT gauge is $110???
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01 F350 7.3 4x4 CC SRW/3.73/315-75-16/Aeroforce Interceptor/BD Thruster II/ Bellowed Up-Pipes/4" turbo back exhaust/CCV Mod/DIY 6637/FPR Shimmed to 65 PSI/TS chip reburned with PHP tunes (Stock, 40T WITH Whsiper tune, 80DD, 100R, 140Ex, 140SS)/Replaced and Cleaned EBPS & Tube 4-6-12/Zoodad mod/Recon smoked cab lights/MM Hubs/Cowl Hood/HPx Last edited by rammertide07; Wed, September 21st, 2011 at 10:27 AM.
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#4
Fri, September 23rd, 2011, 09:13 AM
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I wish it was as easy as a simple switch once you hit X PSI, but its not. Its a linear actuation via a diaphram. Basically as you approach higher boost levels, it opens the wastegate to allow exhaust gasses to bypass the turbine of the turbo.
The problem is when its not adjusted properly it can open earlier than its supposed to robbing the turbo of exhaust gasses at a much earlier stage in the process. Mine is so bad that with it connected, i have to really stomp on it to get it to about 18psi. Normal driving never passes 10 psi before 3k rpms. Disconnected, i hit that 18 psi almost mid throttle. Mine is disconnected.
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