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Thread: 4.10
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04-03-2008, 06:36 AM #1
- Join Date
- Nov 2007
- Location
- Dubai
- Posts
- 25
Silver- 2001 trans am
4.10
This is to the people who have 4.10 RnP? I want to know if you're drinving around 75 m/h what is the RPM at? in My T/A is around 2000 RPM? I want to know at what RPM would it be ?
If i want to install 4.10 do i have to change anything else?
I drive my TA everyday in highways so would it be better if i go with the 3.73 or 3.91 or 4.10
and I really want to understand what stalling means???Last edited by ananmech; 04-03-2008 at 06:55 AM.
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04-03-2008, 09:20 AM #2
- Join Date
- Jun 2007
- Location
- Lathrop, Missouri
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- 2,482
NBM / Silver- 00 SS / 71 SS Elcamino
with my 4.30 gears in my 9" with 275/40/18's @75 mph I am turning 2050-2100 rpm.
2000 SS Camaro Heads, Large cam, Fast 90, 9"w/430's and locker, yada yada yada... you get the picture
1971 SS ElCamino 402 Big Block 550HP
2006 Silverado 2500HD 496 cubic inches of pure muscle
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04-03-2008, 10:24 AM #3
4.10's still junky 10 bolt stock tiers im sitting about 1900 rmp and i love it 6th gear is no longer uselesss
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04-07-2008, 12:26 PM #4
From the last line, I will assume that you have an A4.
I have not re-programmed my speedometer yet, but at about 70 mph, I am at 2400 rpms with 245/50R16 tires (just under 26" dia.).
Do you have to do anything else? That's a topic that has been beat to death here. My opininion, go with an aftermarket rear if you will be making decent power, putting sticky tires on, or both.
Here is a link that will help you understand stall speeds associated with a torque converter: http://www.exoticperformanceplus.com....html?item=809
You can also search this site to find info about stall. Some of our sponsors and members have posted some great info.
Good luck with your build.Drag racing...just another numbers game.
Vortech Super Charger, 9" w/4.11, 3200 Stall, BMR SFC, BMR TracPak, !MAF screen, 160 T-Stat.
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04-09-2008, 03:30 PM #5
I have 4.11's in my Z28 with an auto. 75 was roughly 2500 rpm.
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04-09-2008, 03:47 PM #6
- Join Date
- Oct 2005
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- Centereach, NY
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- 37
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- 184
Arctic White- 1998 Formula
6th gear is about 2000rpms..
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04-17-2008, 12:03 PM #7
I have A4 with 373 and it is about 2400rpm @ 75mph. Not happy with that on highway for gas mileage, but it pulls a lot better.
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