Thread: Lets Talk EGT'S, and tunes
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Old Tue, April 26th, 2011, 08:32 AM
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cleatus12r cleatus12r is offline
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Highly unlikely that you have modified injectors if the tuning works fine......

There are a lot of things to take into account here:

Ambient temperature
Elevation
Fuel quality
Engine mechanical condition
High pressure oil system "health"
Vehicle weight
Boost/drive pressure leaks


The best thing to do in your case is to put in a straight-through muffler on the stock exhaust system as it's plenty big to support stock injectors and it won't cost you an arm and a leg. My 2000 has a muffler from a 1995-1997 PSD and it's quiet and it was free. The downpipe is stock....at this point, it's certainly not hurting anything.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.