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Old Oct 6, 2004 | 09:07 PM
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looking for imput and advice.

I can get a QUALITY mild cam, intake, dyno tune installed for $2500.00 that will yield me about 40 rwt increase.

OR

I can get a rear end up grade from 3:15(what I have now) to 3:73 for $1600.00 installed, including a PCM cal.

At this time I can't do both.

Which do you think will improve the "feel" of my 04 vert auto. The car is a DD. If it matters I already have GHL's.

Last edited by boatboatboat; Oct 6, 2004 at 09:17 PM.
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Old Oct 6, 2004 | 09:41 PM
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I thought about gears but I have decided to keep my 3.15 for drivablility on the street and go with a higher stall torque converter. About a 2800 stall
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Old Oct 6, 2004 | 11:21 PM
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I believe most are going to tell you to go for the gears. Personally, I did my cam, gears, longtubes all at the same time, so I dont know what to give most of the credit to for the increased SOTP feel. Seems like when this type of ? comes up, the majority of people here will say gears. Good luck!
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Old Oct 6, 2004 | 11:27 PM
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Originally Posted by VetteHunting
I believe most are going to tell you to go for the gears. Personally, I did my cam, gears, longtubes all at the same time, so I dont know what to give most of the credit to for the increased SOTP feel. Seems like when this type of ? comes up, the majority of people here will say gears. Good luck!
..And you'd be right.. Gears first, "the hard stuff" later.
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Old Oct 7, 2004 | 07:35 AM
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Will 3:73's be bad for the street?
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Old Oct 7, 2004 | 08:17 AM
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The gears are the best sotp you'll get and since you've got some mad money left, put a Blackwing air induction setup on the car. With those gears your car will hit the high revs much faster and freeing up the air intake is important to these motors. The long tube headers should also be high on your list of mods.
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Old Oct 7, 2004 | 09:41 AM
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Originally Posted by boatboatboat
looking for imput and advice.

I can get a QUALITY mild cam, intake, dyno tune installed for $2500.00 that will yield me about 40 rwt increase.

OR

I can get a rear end up grade from 3:15(what I have now) to 3:73 for $1600.00 installed, including a PCM cal.

At this time I can't do both.

Which do you think will improve the "feel" of my 04 vert auto. The car is a DD. If it matters I already have GHL's.
The gears will give you the most SOTP difference. There is an effective gain in TQ of about 18.4% due to mechanical advantage. The gears are not too steep for a daily driver, unless you take it on a lot of long trips where you gas mileage may be affected.
Some things to consider in the cost area is that some people will tell you to do the TC while you are in there, also I would get a better air intake to free up the revs that those gears will require.
You may want to consider your future plans, if you are going to h/c the car gears are a good choice. If you are going to supercharge, the extra gear will make traction impossible at low speeds.

I would do the cam/intake thing, but that is just my opinion

Chris
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Old Oct 7, 2004 | 10:07 AM
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SOTP would definitely be larger with gears, no doubt about it. (as opposed to the cam/intake route) but I do have one question. Doesn't 2500 seem a little steep for a cam and intake? I realize you said "quality" cam (though in my opinion, pretty well any cam from a major manufacturer is probably a "quality" cam)

Not a flame by any means, just seems a little steep, I figure an intake is what...800 bucks? Perhaps I don't know the real world numbers for cam/intake prices but....

One side note. Though the gears will give better SOTP effect, the sound of a cam and exhaust sounds so much sweeter. A friend of mine who works out with me always says "it's not how much you can lift, it's how much you look like you can lift".

Anotherwards, the car next to you at the light, won't be impressed with gears but a thumping cam sure can be intimidating...

Mark
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Old Oct 7, 2004 | 12:51 PM
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Contained within that $ amount is 500 for a full dyno tune and new valve springs.
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Old Oct 7, 2004 | 03:07 PM
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Originally Posted by boatboatboat
Contained within that $ amount is 500 for a full dyno tune and new valve springs.
I guess the real question should be where your end goal is to be at? If you plan on doing all the bolt ons + heads and cam I would start with the gears or the headers. If you plan on changing out heads later, I would wait and do the cam at the same time. Like was said before 3.73's with a blower are goin be pointless (3.42's would probably be better if you went that route). Like was said before gears and tc should be same time. Could always go headers and intake now they will work with whatever combo you are goin to down the road, and will still give ya a nice increase.
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Old Oct 7, 2004 | 03:21 PM
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Go with the 3.73 set up first...you will love it, I do!!
I also did a Yank SS-3600.
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Old Oct 7, 2004 | 03:24 PM
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How many miles have you put on the 3:72's?

Any issues?
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Old Oct 7, 2004 | 08:53 PM
  #13  
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Originally Posted by KapUSMC
I guess the real question should be where your end goal is to be at? If you plan on doing all the bolt ons + heads and cam I would start with the gears or the headers. If you plan on changing out heads later, I would wait and do the cam at the same time. Like was said before 3.73's with a blower are goin be pointless (3.42's would probably be better if you went that route). Like was said before gears and tc should be same time. Could always go headers and intake now they will work with whatever combo you are goin to down the road, and will still give ya a nice increase.


why spend money on mods that will be worthless later.....

I went C.A.I./borla stingers, H/C, and just waiting on the header install.....a little backward, but i am very happy so far.....

I wouldn't do gears like was mentioned because if you go radical....you will just get wheel spin..... my 2 pennies.

good luck & have fun

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Old Oct 7, 2004 | 09:11 PM
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I would say main thing would be honest with where you want to go and plan out all of your mods in advance. The first car I built for street/strip, I had no plan, and went crazy everytime a new summit catalog came. Ended up doing alot of things more then once, and a ton of things that would have been lot easier/cheaper to do at the same time.

I would say headers, CAI (blackwing/vararam), headers and tune. You should get some pretty good sotp gains, as well as work well with whatever route you end up taking.
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