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Question about 3.69 gears in a 7 AT

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Old 09-12-2011, 01:44 PM
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kosstick
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Question about 3.69 gears in a 7 AT

Hey guys,

I have the 4.08 Gears right now and I want to drop down to the FINAL drive that 6MT have. The reason being is that I am going Super Charged and my 3rd gear takes me to 60 MPH with the 4.08s.

My following gears are something like this.

1st - 30 MPh

2nd - 45 MPH

3rd - 60 MPH

4th - 100Mph (I think)

Anyone know what it would be like if i Dropped to 3.69?

Also for those 7AT drivers with STOCK FD (3.3). What speed can you get up to in each gear?
Old 09-12-2011, 03:32 PM
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wilbcol
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Kosstick, I just did that. I put a 6m/t rear differential in my 2010 auto vert on Friday. I think the gearing is perfect. Had a chance this morning to go out a play with it a little bit. Dead standstill flooring the gas will put the rearend a little sideways. It barks the tires going into second. 7th gear at 60 MPH it is turning 2100 rpms. I'll check on speed vs rpm.
Old 09-12-2011, 07:50 PM
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kosstick
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Originally Posted by wilbcol
Kosstick, I just did that. I put a 6m/t rear differential in my 2010 auto vert on Friday. I think the gearing is perfect. Had a chance this morning to go out a play with it a little bit. Dead standstill flooring the gas will put the rearend a little sideways. It barks the tires going into second. 7th gear at 60 MPH it is turning 2100 rpms. I'll check on speed vs rpm.
NICE. Please let me know how many mph you get per gear please!
Old 09-13-2011, 10:25 AM
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wilbcol
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Speed in gears with 3.70 in 7 speed auto:

1st. 30-35
2nd. 48-50
3rd 75
4th. 100+ (was running out of road)
Old 09-13-2011, 12:24 PM
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kosstick
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Originally Posted by wilbcol
Speed in gears with 3.70 in 7 speed auto:

1st. 30-35
2nd. 48-50
3rd 75
4th. 100+ (was running out of road)
Thanks for risking you life on the 100+ lol! Appreciate the info.

Anyone with a stock 7at have info on how many mPH they reach in each gear.
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