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M6 to a Th400

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Old Mar 28, 2009 | 10:24 AM
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Default M6 to a Th400

hey guys i just installed my th400 car was a M6 ...the car has a 5200 stall trans brake and 2 step , my ave with the 6spd was 1.55 60ft on mt 275 radials and went 10.60's ave @ 129 mph
a lot of weight came out since last year car is just under 3000lbs rest of my mods in my sig ....hoping for a 10.0 pass or better this year , oh yeah going to a full slick for the upcoming year
here is a short test video going down the street but the car is a completely dif car ! cant wait to come off the trans brake


http://www.youtube.com/watch?v=Y8D8NICeMUU
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Old Mar 28, 2009 | 10:29 AM
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nice cant wait to see some times
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Old Mar 28, 2009 | 10:34 AM
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yes were going on to the track on april 19th i still have a few things to button up thanks though
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Old Mar 28, 2009 | 11:35 AM
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Sounds very good in the vid!
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Old Mar 28, 2009 | 11:37 AM
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thanks man yours looks great also cant wait to see it rip
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Old Mar 28, 2009 | 01:21 PM
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That thing sounded amazing when you opened it up.

Nice work.

~Jim~
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Old Mar 28, 2009 | 01:38 PM
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thanks BassPro i cant wait to really open it up ....
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Old Mar 28, 2009 | 01:44 PM
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was the swap difficult how long it take you?
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Old Mar 28, 2009 | 01:48 PM
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it was pretty easy swap ....i had speed inc do .....it took them about 4 hrs
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Old Mar 28, 2009 | 03:07 PM
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love the car man.... sounds amazing
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Old Mar 28, 2009 | 05:37 PM
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I did the same swap, you will never regret it. Sure I miss bangin gears, but launching off the brake at 5600 rpms, cutting 1.3 60' times is a lot more fun. The car sounds awesome btw.
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Old Mar 28, 2009 | 05:45 PM
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Originally Posted by ndfrsd6
hey guys i just installed my th400 car was a M6 ...the car has a 5200 stall trans brake and 2 step , my ave with the 6spd was 1.55 60ft on mt 275 radials and went 10.60's ave @ 129 mph
a lot of weight came out since last year car is just under 3000lbs rest of my mods in my sig ....hoping for a 10.0 pass or better this year , oh yeah going to a full slick for the upcoming year
here is a short test video going down the street but the car is a completely dif car ! cant wait to come off the trans brake


http://www.youtube.com/watch?v=Y8D8NICeMUU
Did you leave the 4.10 gears in? I had left my 4.11s in and was running out of gear on the bottle around 128mph. Changing the gears are the next thing on my to do list. Just thought I'd give you a heads up
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Old Mar 28, 2009 | 06:22 PM
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my rev limiter is set at 7200 ,so on the 28 in tire i should be ok .... no spray all motor

thanks though i guess i'll find out in a few weeks when we go to the track
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Old Mar 28, 2009 | 06:24 PM
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i was trappin 7100 with my M6 setup with 4.56 gears, 28 in tire at top of 4th so with the 4.10 and the th400 i should be close
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Old Mar 28, 2009 | 07:17 PM
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another to the dark side


car sounded great, that was with your TD? you drive that on the street alot?
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Old Mar 28, 2009 | 08:05 PM
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Well I run a 28" tire too. When I was a 6 speed I was crossing the traps around 7100, but with the th400 I get a little bit of converter slip. You have to account for that too, and there's nowhere to go when 3rd gear is done. Regardless of nitrous or n/a, our trap speeds are similar so the same thing might happen to you. Hopefully it works out for you though.
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Old Mar 28, 2009 | 08:07 PM
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sounds good man
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Old Mar 28, 2009 | 08:49 PM
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Originally Posted by studderin
another to the dark side


car sounded great, that was with your TD? you drive that on the street alot?
yes the same true dual magnaflow ive had....no i dont drive it on the street to much anymore
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Old Mar 28, 2009 | 08:51 PM
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Originally Posted by rmata
Well I run a 28" tire too. When I was a 6 speed I was crossing the traps around 7100, but with the th400 I get a little bit of converter slip. You have to account for that too, and there's nowhere to go when 3rd gear is done. Regardless of nitrous or n/a, our trap speeds are similar so the same thing might happen to you. Hopefully it works out for you though.
i know your probally right i may need a restall so till i get to the track i wont know for sure .....thank you i will have a full update in a few weeks

and yes i went to the darkside lol im tired of breaking **** with the m6 lol
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Old Mar 28, 2009 | 08:59 PM
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Originally Posted by ndfrsd6
hey guys i just installed my th400 car was a M6 ...the car has a 5200 stall trans brake and 2 step , my ave with the 6spd was 1.55 60ft on mt 275 radials and went 10.60's ave @ 129 mph
a lot of weight came out since last year car is just under 3000lbs rest of my mods in my sig ....hoping for a 10.0 pass or better this year , oh yeah going to a full slick for the upcoming year
here is a short test video going down the street but the car is a completely dif car ! cant wait to come off the trans brake


http://www.youtube.com/watch?v=Y8D8NICeMUU

Car is going to fly! You may loose a little bit of MPH but the ET will pick up big time. I run 26 inch ET Drags and have run the times in the sig. I think with the big stall and the 28 inch tires you will be fine. When I ran the 10.25 at 129.5 I did not hit the rev limiter which is set at 7,200 RPM's!

Good luck with it.

N2
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