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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 06-14-2010, 04:23 PM   #1
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Looking for 373 gears!

Im looking for 373 gears for a L99. The shop that has my car said they could only find 370. Help PLZ!!
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Old 06-14-2010, 04:40 PM   #2
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i do not believe anyone has 373's for the new camaro's yet
we have been running 411's from richmond i think the only other ones are the 370's
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Old 06-14-2010, 04:49 PM   #3
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Richmond has 3.73 http://www.richmondgear.com/NEWgearset2010Camaro.html
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Old 06-14-2010, 04:51 PM   #4
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Beat me to it.
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Old 06-14-2010, 04:56 PM   #5
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Thank you everyone. I got the last set of 373 gears they had in stock
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Old 06-14-2010, 04:57 PM   #6
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i stand corrected thanks lol
to be honest we have yet to install a set of 373's in a new camaro all the ones we have done have been 411's
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Old 06-14-2010, 05:12 PM   #7
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stock is 342.. no? 373 can't give you that much more... can it? also 411 are limited to 110mph or a bit more... i cruz at 110... tickets to prove it.
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Old 06-14-2010, 05:17 PM   #8
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richmond is making the 3.73 and the 4.11, and a 4.30 in the works so the rumor is.

AAM is making a 3.70 that lingenfelter and his dealers are selling,, so far i have not found a AAM dealer that says they can get any of them,, must be something that lingenfelter has going with AAM and they are the only ones allowed to sell them??
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Old 06-14-2010, 05:18 PM   #9
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stock is 342.. no? 373 can't give you that much more... can it? also 411 are limited to 110mph or a bit more... i cruz at 110... tickets to prove it.


why would a 4.11 gear be limited to 110mph,, your info is wrong
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Old 06-14-2010, 05:22 PM   #10
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Someone please do the math. I saw somewhere the speed limiter in this car was set at 157 MPH. I also read that the SS was capable of reaching this in 4th gear.

I can not believe that the Camaro would only be able to reach 110 MPH with 4.11's. I personally have had my car to 145ish in 5th. I wasn't really pushing her.

RLR
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Old 06-14-2010, 05:31 PM   #11
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his info is wrong,, plus if you are having gears put in you will be re-programming the speedometer and your speed limit will stay the same or whatever you set it to when you tune your ecm/tcm
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Old 06-14-2010, 05:35 PM   #12
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The L99 comes with 327 gears and going up to 373 gears will only raise my rpms up about 350.
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Old 06-14-2010, 06:06 PM   #13
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Someone please do the math. I saw somewhere the speed limiter in this car was set at 157 MPH. I also read that the SS was capable of reaching this in 4th gear.

I can not believe that the Camaro would only be able to reach 110 MPH with 4.11's. I personally have had my car to 145ish in 5th. I wasn't really pushing her.

RLR

I keep hearing that this speed limiter was set at 157 mph.... I've been told from a reliable source he had his at 280 km/hr (170 mph) and still had 6th gear to wind out a bit more. So if there's a speed limiter.. they set it high
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Old 06-14-2010, 06:09 PM   #14
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Mine was at 155Mph til I had it removed. I've had mine to 165 mph.
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Old 06-15-2010, 02:20 AM   #15
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I keep hearing that this speed limiter was set at 157 mph.... I've been told from a reliable source he had his at 280 km/hr (170 mph) and still had 6th gear to wind out a bit more. So if there's a speed limiter.. they set it high
It's not a mechanical speed limit, it's a computer limit. It can be turned up or off with a tuner. From other thread discussions, a stock car won't reach much higher than 170-175. I haven't personally tested this yet but others seem to have.
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Old 06-15-2010, 06:23 AM   #16
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stock is 342.. no? 373 can't give you that much more... can it? also 411 are limited to 110mph or a bit more... i cruz at 110... tickets to prove it.
That is completely incorrect. The auto comes with the 3.27s so going to 3.73 make a big difference. There is no limit on the 4.10s. They may shave a few MPH off the top end, but no where close to 40-50 MPH.
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Old 06-15-2010, 01:47 PM   #17
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... it was in the form of a question!
i had an 87 GTA that i built for the strip and street which ran 10.23 @132mph
car had 383ci stoker, blower, 411 auburn rear amoung other mods and it would top out a 140ish ... beyond 135 it was hitting a wall.
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Old 06-15-2010, 11:36 PM   #18
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Is the increase in pinion speed with 4.11's enough to worry about oil cooling the differential? What would the rpm's be at 80 mph in 6th with 4.11's? I had a 4.56 spare pumpkin made for my 73 corvette and had 4.56's in my 68 Camaro, and it definitely made highway cruising more of a "buzz", but the stoplight to stoplight giddiup was way more fun!
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Old 06-17-2010, 06:22 AM   #19
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What would the rpm's be at 80 mph in 6th with 4.11's?!
Low 2000s. At 70-75 its right at 2000 rpm with the Richmond 4.10s.
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Old 06-20-2010, 11:51 AM   #20
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Here are some quick numbers for those interested in side by side comparison.




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Old 06-20-2010, 12:45 PM   #21
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I contacted Motive and they said they have a 3.91 and 4.10 in the works which should be available in the fall but haven't decided on prices yet.
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Old 06-20-2010, 06:39 PM   #22
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I contacted Motive and they said they have a 3.91 and 4.10 in the works which should be available in the fall but haven't decided on prices yet.
We are all over the new Motive stuff and will have that along with the Richmond gears that we currently stock as soon as they are available.
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Old 06-20-2010, 06:55 PM   #23
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very interested in this.
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Old 06-21-2010, 12:17 AM   #24
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So should we wait for 3.91 gears to come out if we have the automatic? Which is better in your opinion 3.73 or 3.91? Thanks!
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Old 06-21-2010, 06:09 AM   #25
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So should we wait for 3.91 gears to come out if we have the automatic? Which is better in your opinion 3.73 or 3.91? Thanks!
I would go with 3.73s. The automatic transmission is already geared pretty aggressively and 3.91 will probably be too much for most people.
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