EGT's
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Senior User
Joined: Aug 2015
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EGT's
What is the general, rule of thumb egt scale for different conditions (no/light/medium/heavy towing)? As in, what is the low range, medium tuned range, safe red line, and cooking the motor points?
Lead Driver
Joined: Sep 2006
Posts: 5,664
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From: Cartersville, Ga
Anything over sustained 1250-1300* is asking for trouble no matter what you are doing. At the strip, my 6.4 would do short bursts of 15-1600*. Cruising empty on the interstate was 7-800*. This was tuned running Spartan 275 tune for most of its life. Towing heavy was 9-1100*.
Laughing Gas
Joined: Dec 2012
Posts: 1,035
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From: Alberta
I have mine tuned with H&S. Normal driving I will not see it go above 800. That's driving easy though, and empty. The highest I have ever seen it was 1,100 and that was heavy towing up a long steep grade.
Senior User
Joined: Apr 2012
Posts: 394
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From: Cottage Grove
You should see anywhere from 600-700 cruising at 65 unloaded (It depends on tunes and how much fuel they push) and shouldn't be running anything over 1200 for extended periods of time. The limit that most agree on is 1450 (roughly the same as a 6.0, but remember our pistons are very delicate compared to a 6.0) for very short bursts.
Most canned H&S tunes will defuel right around 1100-1200*.
Most canned H&S tunes will defuel right around 1100-1200*.
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whattatruck250
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Aug 5, 2007 10:52 AM
