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-   -   LS3 with 3.70 gears input? (http://www.camaro5.com/forums/showthread.php?t=131510)

caverman 02-25-2011 03:25 PM

LS3 with 3.70 gears input?
 
I'm still gathering up the money for gears but I'm researching so that when I'm ready I'll know what I want.

I'm looking for some input for those that have and LS3 and added 3.70 gears. I'm still thinking that for a daily driver and only occassional track use the 3.70 might be a better choice than 4.11 gears.

I heard they are even putting 3.70 in the ZL1.

If you added 3.70 gears can you give any feedback about how they feel? Did you feel the difference going from the 3.45 to 3.70? Do you ever feel like you might want a little more gear? If you had it to do again would you have gone with 4.11 gears?

bkscott 02-26-2011 01:26 AM

Caverman, PM Camaro21. He has the 3:70 in his car.

Bonemaro 02-26-2011 01:29 AM

I thought 3.73 was going in the ZL-uno ???

BACH 02-26-2011 05:16 AM

I'm looking into this range of gears as well. Anyone with the LS3 and 3.73 gears that can comment on shift points, cruising/highway RPM, mileage, etc.? I know I'm not looking for the 4.11s cuz I'm not building a 1/4 mile car. but i do like to play around!!!:headbang:

Apex Motorsports 02-26-2011 06:36 AM

Lots of good info here:

http://thehorsepowerjunkies.com/vehi...swappin-gears/

marticus24 02-26-2011 07:01 AM

I'm also interested in anybody's experiences with this setup. Considering 4.11 or 3.73 right now.

flyby 02-26-2011 07:15 AM

I put 3:70's (9 inch) in mine back in August ish (long story) and finally got the car back in December (early). Put only a few hundred on it since then, but the difference is quite noticeable. Much faster from the start. A little tricky accelerating with PZeros that are cold but part of that is the horsepower increase. Cruising at 70 is about 1900 rpm. Overall I like the change, let you know more in March after first track visit.

Never Satisfied 02-26-2011 08:01 AM

Well from my experience, the 3.70 is not enough. I started with the 4.33 (one of the first guys to run them) and I thought they were perfect. Due to circumstances beyond my control, I had to replace them with a set of the LPE 3.70's. They feel ok, but my combo and driving habits would like more gear down low with my cammed motor. Not a time goes by that I don't want the higher gear. I am now saving for a 9" setup and it will have 4.30's in it for sure.

danhr 02-26-2011 11:05 AM

going from a 3.45 to a 3.70 is barely anything, and hardly justifies spending that kind of dough.

steeleshark2 02-26-2011 12:08 PM

I have already ordered my 4.11s for my LS3. Still just under 2000rpm at 70mph from what I have heard.

adc174 02-26-2011 12:20 PM

4.10s are the way to go, i love mine

adc174 02-26-2011 12:33 PM

4.10s are very streetible gears they are highway friendly and my gas mialage didnt change at all, its a heavy car the 4.10s help a lot and at 70 its less lug to maintain speed, if i could do it again id go 4.33s , the 4.10s are a little tricky to launch hard but well worth it.

Sack Rat 2SS 02-26-2011 01:02 PM

The ZL-1 is supposed to come with 3:70 gears. The new Mustang 5.0 has them as well. Just to compare speeds on my 3.70 gears. Use these speeds to compare to your M6 factory 3:45 gears.

2,000 rpm 4th gear = 45 mph
2,000 rpm 5th gear = 55 mph
2,000 rpm 6th gear = 68 mph

Not a huge change but very nice on the street plus it makes 5th and 6th more practicle on the freeway. My car will not be on the drag strip. :chevy:

LC 02-26-2011 01:14 PM

Quote:

Originally Posted by Never Satisfied (Post 2890829)
Well from my experience, the 3.70 is not enough. I started with the 4.33 (one of the first guys to run them) and I thought they were perfect. Due to circumstances beyond my control, I had to replace them with a set of the LPE 3.70's. They feel ok, but my combo and driving habits would like more gear down low with my cammed motor. Not a time goes by that I don't want the higher gear. I am now saving for a 9" setup and it will have 4.30's in it for sure.

Care to share why you changed them?

4.33s are on the way for the m6

engine hits the limiter @ 62mph in 1st with stock gears:laugh:

S-eatin-grin 02-26-2011 01:18 PM

At first I though 4.11 sounded too high but after thinking about it...I am never going to be driving over 170 mph so who cares about the top end speed. What i do care about is that I now rarely use 6th gear in my car because I have significant drone below 2000 rpms due to headers/exhaust and I'm at 80 mph+ to get over 2000 rpm's. So currently cruise highway at about 70-75 mph in 5th at 2100-2500 rpm's. If i went to 4.11's I'd be right around 2000 to 2200 rpms in 6th at 70-75. Waste less gas on the highway, no drone, quicker accleration...sold on 4.11's once I have the time and money to do it!

danhr 02-26-2011 01:19 PM

Quote:

Originally Posted by LC (Post 2891665)
Care to share why you changed them?

4.33s are on the way for the m6

engine hits the limiter @ 62mph in 1st with stock gears:laugh:

willing to bet a pretty penny that he broke them.

Never Satisfied 02-26-2011 01:31 PM

Quote:

Originally Posted by LC (Post 2891665)
Care to share why you changed them?

4.33s are on the way for the m6

engine hits the limiter @ 62mph in 1st with stock gears:laugh:

Yes, they broke, but only because of improper installation. I was very happy with the performance of the 4.33's but I found a brand new 3.70 geared, fully assembled center from Robin Lawrence. It was a a steal and I made the decision it would have to work until I fork over the money for the 9" setup.

LC 02-26-2011 01:33 PM

Quote:

Originally Posted by danhr (Post 2891678)
willing to bet a pretty penny that he broke them.

You are on, but only if your penny looks like this

http://episodiopiloto.com/wp-content...r-as-penny.jpg

EDIT: bleh took so long to post..

LC 02-26-2011 01:37 PM

Quote:

Originally Posted by Never Satisfied (Post 2891714)
Yes, they broke, but only because of improper installation. I was very happy with the performance of the 4.33's but I found a brand new 3.70 geared, fully assembled center from Robin Lawrence. It was a a steal and I made the decision it would have to work until I fork over the money for the 9" setup.

I hope 4.33s are the cure for my NA "lag".

I can stomp WOT on 5th at 2000rpm and its like having a HUGE OVERSIZED turbo.. just NOTHING happens, imagine 6th :sm0:

Never Satisfied 02-26-2011 01:40 PM

Well, when I had the 4.33's my car was fairly stock and it made a HUGE difference. I firmly believe it would have pulled to redline in 6th.

Darn it, this discussion is making me want to say "screw it" and drop the money into the 9" now!

JANNETTYRACING 02-28-2011 10:26 AM

Quote:

Originally Posted by Never Satisfied (Post 2891744)
Well, when I had the 4.33's my car was fairly stock and it made a HUGE difference. I firmly believe it would have pulled to redline in 6th.

Darn it, this discussion is making me want to say "screw it" and drop the money into the 9" now!

Let me know If I can supply you with one.

Ted.

Never Satisfied 02-28-2011 11:06 AM

Ted, I'm still a little way off, but can you PM me a price for the complete setup?

JANNETTYRACING 02-28-2011 11:25 AM

Quote:

Originally Posted by Never Satisfied (Post 2898331)
Ted, I'm still a little way off, but can you PM me a price for the complete setup?

Prices are always changing so just keep me in mind when you think your ready and I will do my best.

Ted.

nuptualnemesis 02-28-2011 12:19 PM

Tried a 3:70 now have a 4:33 and love it. 3:70 not enough for an M6. Shift 1,3,5 around town at 2000rp with big cam. It will still hit 130 in 4th gear. 4:33 adds 110 ft lb of torque over stock gear. Cruise at 2,050 rpm @ 70mph and get 22-23 mpg on highway. Lost about 3 mpg on highway over stock with cam and gear. Keep the stock clutch.

Bad70supreme 02-28-2011 02:57 PM

How much did your ET drop from the gear change?


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