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Old 03-26-2001, 01:33 PM
JMC JMC is offline
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What RPM is considered redline for the 5.4

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Old 07-04-2001, 02:34 PM
Rockwell Rockwell is offline
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What RPM is considered redline for the 5.4

Was wondering what the RPM limit is on the 5.4 (2001) since the tach gauge doesnt indicate anything at all.
Thanx
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2003 F250 4X4 SuperDuty V10/6speed/3.73 Dark Shadow Grey

1994 F150 5.0/auto (120,000 miles and going strong)

1994 Ford LA9000 300 Cummins/10 speed (347,000 miles)
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Old 07-14-2001, 01:51 AM
pbrstreetkid pbrstreetkid is offline
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What RPM is considered redline for the 5.4

when parts start flying from under the hood you have reached the limit, personally i wouldnt try to find out that way though.
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Old 07-16-2001, 01:01 PM
Rockwell Rockwell is offline
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What RPM is considered redline for the 5.4

pbrstreetkid
Thanks, ill try to keep that knowledgeable tip in mind!

Now can anyone else be a bit more specific? What RPM would be considered over reving the 5.4?
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2003 F250 4X4 SuperDuty V10/6speed/3.73 Dark Shadow Grey

1994 F150 5.0/auto (120,000 miles and going strong)

1994 Ford LA9000 300 Cummins/10 speed (347,000 miles)
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Old 07-16-2001, 05:40 PM
lvstang lvstang is offline
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What RPM is considered redline for the 5.4

Quote:
pbrstreetkid
Thanks, ill try to keep that knowledgeable tip in mind!

Now can anyone else be a bit more specific? What RPM would be considered over reving the 5.4?
They have a fuel shut off so I wouldn't worry about it. The motor will stop making any useable power before that shutoff anyway. If you want a guess I'll say 5500 RPM. The old 5.0 would shut off at 6250. I believe because of the increased piston speed/longer stroke 5.4, 5500 would seem about right.


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Old 07-18-2001, 03:34 AM
Rockwell Rockwell is offline
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What RPM is considered redline for the 5.4

Ivstang,

Thank you much, that is exactly the info I was looking for! :-)
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2003 F250 4X4 SuperDuty V10/6speed/3.73 Dark Shadow Grey

1994 F150 5.0/auto (120,000 miles and going strong)

1994 Ford LA9000 300 Cummins/10 speed (347,000 miles)
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Old 07-18-2001, 03:34 AM
 
 
 
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