No red line??
Elder User
Joined: Feb 2011
Posts: 675
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From: Beautiful BC
Great question! I found myself sitting in the ferry lineup the other day wondering the same thing. My dads 01 7.3 has a red line which is clearly marked fairly low, my 07 tach looks like that in a gasser.
Senior User
Joined: Jun 2011
Posts: 383
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x2....
the diesel will de-fuel once it reaches the factory speed and rev limit....
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More Turbo
Joined: Jul 2010
Posts: 535
Likes: 13
From: California High Desert
My '99 V10 doesn't have the red line marked either, which I thought was weird. But with an automatic I doubt it really matters since it won't let you rev it high enough to cause any damage. My old VW was a diesel, and there was no tach, but you couldn't go beyond a certain RPM anyway since it was mechanically governed by the injector pump. Actually, you were more likely to damage that engine by lugging it than by over revving it.
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