Dodge/Ram Diesel Tech Discussions on all generations of Cummins Diesel powered Rams plus the new Eco Diesel

running down the runway......

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Old Sep 8, 2007 | 04:10 PM
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Default running down the runway......

ive recently done some work at a plant that was being built at an old Air Force base. I couldnt pass up the chance to run my truck down the run way. As it sits bone stock I got 104mph at 3700rpm with pedal on the floor and that was it. The truck just wouldnt go any faster. Does it hurt to run in the red since these diesels red line at 3grand? just shareing a little info.
 
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Old Sep 8, 2007 | 07:10 PM
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Default RE: running down the runway......

well seeing as the redline is there for a reason on any car. just because a v8 can go up to 7k and be ok doesn't mean they just put the redline at 3k on the diesels for ****s and giggles. diesels are not meant to be high revving engines.
 
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Old Sep 8, 2007 | 09:13 PM
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Default RE: running down the runway......

Which old Air Force base is it? If you don't know the name, then where is it?
 
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Old Sep 8, 2007 | 09:21 PM
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Default RE: running down the runway......

 
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Old Sep 8, 2007 | 11:58 PM
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Default RE: running down the runway......




Ben D.
Date 9/8/2007 3:10:22 PM


well seeing as the redline is there for a reason on any car. just because a v8 can go up to 7k and be ok doesn't mean they just put the redline at 3k on the diesels for ****s and giggles. diesels are not meant to be high revving engines.
well i just had to try it. once...anyway will my speed ability increase at lower rpms as do different mods or am i trapped do to the low gears?




Joel_MD
Date 9/8/2007 5:13:16 PM


Which old Air Force base is it? If you don't know the name, then where is it?

It was Reese Air Force Base, Lubbock Texas. Now called Reese Technology center. It accomidates part of south Plains College, a truck driving school and other different facilities. Even Lubbock police drivers training.
 
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Old Sep 9, 2007 | 12:47 AM
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Default RE: running down the runway......

If you want more top speed, put a "Gear Vender" under/overdrive on it. About $4,000, but thats a lot cheaper than blowing the engine in your new truck.

Because of the weight of the crank, rods, pistions etc. needed to keep a Turbo Diesel together, the RPM limit is quite low. I suggest you NEVER take it above 3,500 RPM, and keep the time between 3,000 and 3,500 RPM to a MINIMUM.
 
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Old Sep 9, 2007 | 01:12 AM
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Default RE: running down the runway......

I wouldn't go that far above the red line, but hey, what the hell.
I don't know if these have an electronic rev limiter on them, but even if it did I wouldn't try to hit it- like stated before- these engines have very heavy parts. They will go a long way if they make it out of the block.
Also, you are limited to that speed since your gears are what is keeping you there. I would opt for a different ratio if you don't tow very often or heavy loads. But if I remember correctly, you would have to do both front and rear axles to match.
 
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Old Sep 9, 2007 | 01:24 AM
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Default RE: running down the runway......

Whoa! I wouldn't have done that to my truck. Hmm.. well at least I know how fast my truck will go now .
 
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Old Sep 9, 2007 | 09:42 AM
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Default RE: running down the runway......

I remember Reese AFB. Years ago when I was in ROTC I got a flight in a T-37 Tweet there at Reese. Nice college town. When the base closed about ten years ago it really messed up the local economy, but I guess it's recovered by now.

Joel
 
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Old Sep 9, 2007 | 10:23 AM
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Default RE: running down the runway......

Hahaha Your all screwed. I top out at 120 or so(bigger wheels and havent changed speedo) and run around 2800. My rev limiter wont let me go into red. So not sure bout the exact rpm I just remember I can't redline. I'll have to find an old abandoned road or a drag strip around here.
 
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