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Faster in a straight line? Rev-Up or Non Rev Up

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Old 01-19-2007, 02:18 PM
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Faster in a straight line? Rev-Up or Non Rev Up

Just looking for opinions, not trying to start a war here.

The little, if any timeslips I see are from Non Rev Up cars, so I was wondering if the "lack" of torque on the Rev Up motors actually affects its 1/4 mile performance?

Opinions?
Old 01-19-2007, 02:40 PM
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I know I can search this, and I know im going off topic, but all I need is a quick simple answer....God, I cant believe I'm about to ask this after 600 posts and almost a year and a half on this board.... What is the difference between Rev-up and non Rev-up. I know they started the Rev-up in 05. Is it the lower intake manifold? Get more hp but sacrifice tq? Sorry for the year and a half old noob.....
Old 01-19-2007, 02:58 PM
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Just about. Something with the design of the lower manifold. I believe that the Rev Up uses our lower manifold with a different upper. The engine redlines higher, makes 298hp, but "only 260" tq.

The Non Rev up is 280hp/270tq
Old 01-19-2007, 04:28 PM
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Most will say, "Search it" but with the simplist of answers, it's a driver race. Now, I remember reading a while back that if you want to measure 0-60, the Rev-Up SHOULD be faster due to the higher RPM. The non-rev-up'er will have to shift to third while the Rev-Up'er does not.
Old 01-19-2007, 04:31 PM
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It's pretty much the same. My friend (06 coupe 6mt) and I (05 5at sedan) and we're head to head the whole time. He has comparable mods to mine.
-GP-
Old 01-19-2007, 05:05 PM
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Quote:
Originally Posted by Dieselnuts
I know I can search this, and I know im going off topic, but all I need is a quick simple answer....God, I cant believe I'm about to ask this after 600 posts and almost a year and a half on this board.... What is the difference between Rev-up and non Rev-up. I know they started the Rev-up in 05. Is it the lower intake manifold? Get more hp but sacrifice tq? Sorry for the year and a half old noob.....
the rev-ups have stronger rods as well.

Quote:
Originally Posted by mephistomyhero
Most will say, "Search it" but with the simplist of answers, it's a driver race. Now, I remember reading a while back that if you want to measure 0-60, the Rev-Up SHOULD be faster due to the higher RPM. The non-rev-up'er will have to shift to third while the Rev-Up'er does not.
u dont need to shift to 3rd to get to 60 i dont think on the non rev-ups.
Old 01-19-2007, 05:10 PM
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60 MPH on the non rev up is the start of 3rd gear and end of 2nd (for the auto)...down the 1/4 mile the non rev up is going to be faster stock for stock no questions....not by much, but its faster if everything goes right, shifting, launch, whatever else you manual drivers do...

Only difference between non rev up and rev up is just the rev limiter is increased from 6700RPM to 7200 RPM (i know they did some work on the engine itself, but not sure what cams, rods, pistons, idk)

-sean

Last edited by Nismo G; 01-19-2007 at 05:12 PM.
Old 01-19-2007, 05:15 PM
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over on my350z.com, there was a difference between the two at the track so I think there is a difference during a race where you are higher in the rpm range, where torque is less of an issue and high rpm power takes over.
Old 01-19-2007, 05:23 PM
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To answer your question: The Rev-up motor should be a bit faster in a straight line. The reason that should is the key word is that it requires an experience 6mt (manual) driver to take advantage of the extra horses--to shift perfectly at the correct rev points. There isn't much of a difference for straight-line races but the slight hp advantage helps significantly with more complex race-tracks (ones with lots of turns). And regardless of what anyone says about the whole Rev-up motor, its really about tuning the motor to take advantage of the 6-speed transmission and more "aggresive" rear diff. ratio more than anything else. Hope that helps.
Old 01-19-2007, 05:29 PM
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Yeah, the auto has the advantage at the start since it has more torque at the start, if they both start at the same RPM the auto will take the start, but the manual will pull down the track since it has upper RPM advantange
-sean
Old 01-19-2007, 05:54 PM
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Old 01-19-2007, 06:38 PM
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More to add...

My Car:
05-6mt (rev-up)
19" wheels
non-brembo


Friends Car:
03-6mt (not a rev-up)
18" wheels
Brembo

From a stop, he's got 1 car on me by the time I'm shifting into third. Half way through 3rd, I start gaining the distance back.

I believe that the larger rotational mass of my wheels, combined with less tq, give him the advantage for most of the 1/4, of not a full 1/4, but I will always get him after 1/4 mile.
Old 01-19-2007, 09:37 PM
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what should happen in a race between an 06 350z 6mt with an ok driver and an 04 G35 coupe 5at with CAI and open exhaust manual shifting at around 6500-6700? all in a strait line from about a 10mph roll
Old 01-20-2007, 01:26 AM
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Quote:
Originally Posted by GrayG35
what should happen in a race between an 06 350z 6mt with an ok driver and an 04 G35 coupe 5at with CAI and open exhaust manual shifting at around 6500-6700? all in a strait line from about a 10mph roll
Try it and fill us in.
Old 01-20-2007, 01:48 AM
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Quote:
Originally Posted by Dieselnuts
Try it and fill us in.
Agreed I would like to know too

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