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Marty
Dodge Dakota
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4/19/2002
12:57:38
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 Subject: 4.7 question
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How high can a stock internals 4.7 safley rev? And where does the average 4.7 peak? I would think that these engines would like to rev.
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Duner
Dodge Dakota
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4/19/2002
13:25:41
|  Rev Happy!
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Safely? I've had mine at 6700-6800 rpm for extended periods of time without grenading. I held it right at the rev limiter for miles.....Is that safe? hehehe The stock pcm programming and intake/exhaust restrictions make the stock 4.7 peak at about 5000 rpm.
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Marty
Dodge Dakota
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4/19/2002
14:31:42
| RE: 4.7 question
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I was thinking of getting my pcm programmed and was kinda wondering where would be the best shift points(auto) for the 1/4. I'm guessing 6500 or 6700? Is this too high?
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nmdcommguy
Dodge Dakota
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4/19/2002
15:10:04
|  RE: 4.7 question
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Stretch those connecting rods!
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Duner
Dodge Dakota
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4/19/2002
16:37:57
| RE: 4.7 question
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Yes.... that's too high of a shift point unless you have all the rest of the stuff to back it up. I would probably have it set at between 5500 and 6000 rpms if you have some other mods.
Just because it will physically wind that tight doesn't necessarily mean it's making power there....I was just "testing" things. hehehe
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CW
GenIII
4/19/2002
19:15:33
| RE: 4.7 question
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Even with the mods I have I still shift close to 5000 usualy about 5250. works well.
2001 4.7 RC 5sp 3.92 LSD
Click on thumbnail for mods.
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Duner
Dodge Dakota
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4/19/2002
19:31:37
| RE: 4.7 question
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CW - You need that PCM redone! hehehe
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kevster
Dodge Dakota
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4/19/2002
22:49:23
| RE: 4.7 question
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Had my 4.7 up to 5600 RPM and Scared me, pretty much wound her up, but no probs. I really dont think i will do it again. :)
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kevster
Dodge Dakota
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4/19/2002
22:49:34
| RE: 4.7 question
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Had my 4.7 up to 5600 RPM and Scared me, pretty much wound her up, but no probs. I really dont think i will do it again. :)
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xplikt
Dodge Dakota
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4/20/2002
03:52:53
| RE: 4.7 question
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I just did it tonight, not too bad, but I did it on accident. My shift point is right around 5000 or a just wee tad after too.
Not much power after 5500, just noize.
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Muzzy
GenIII
4/20/2002
09:39:13
|  RE: 4.7 question
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I feel my power flatten out just past 5000 RPM's. I shift at about the same point CW does. That also puts me at a pretty good spot in the next gear RPM wise. As far as an auto tranny....I would go with Duner's recommendation. The gear ratios in the auto are farther apart than the NV3500, so shifting slightly higher would make sense to put you in the right spot in the next gear.
-Muzzy
2001 EC Dakota 4x4 - 287ci V8 - 5 Speed - 3.92 gears/w Sure Grip
Borla Stainless Steel Headers - IAT Adjuster
Flowmaster Force II Cat Back - Ported TB/Custom Cold Air intake
H&K USC Security System
Coming Soon - head porting/ install HO cams & valve springs
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