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Old 03-25-2006, 07:37 PM   #1
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I wae driving my new journey today. When I used my ex brake I noticed the rpm's up around 2700-2800 when it would down shift. Is this normal? I thought redline was 2400. thanks for any info
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Old 03-25-2006, 07:37 PM   #2
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I wae driving my new journey today. When I used my ex brake I noticed the rpm's up around 2700-2800 when it would down shift. Is this normal? I thought redline was 2400. thanks for any info
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Old 03-26-2006, 06:21 AM   #3
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Both Cat and Cummins may exceed the governed RPM when employing the exhaust brake. In both cases the maximum RPM is stated in the manual. Typically it will be several hundred RPM higher than the governed speed. So to answer your question, yes it is normal.
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Old 04-07-2006, 09:58 AM   #4
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I have a C7 CAT in 330 trim. Peak HP is 2400 and red line is 2900. So a bounce to 2800 is ok...
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