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Just finished the 9" install...

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Old Feb 28, 2009 | 09:04 PM
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Default Just finished the 9" install...
I went from 3.73 with a powertrax locker to a ford 9" with 4.11's and a detroit locker. The car seems fasters, any idea how much of an improvement it would make in the 1/4? mods are in sig, car weighs 3480 w/ driver.

anyone with a 3rd gen looking for a powertrax locker w/ 3.73 gears?
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Old Feb 28, 2009 | 11:02 PM
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Hard to say, but 4.11s seem to work very well with 6 sp cars. Put some sticky tires on it & you might see a few tenths...
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Old Feb 28, 2009 | 11:19 PM
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Nice!

It will all depend on the hook. I have seen guys go from 2.0 60fts on 3.42 to 2.8 60ft on 4.11s. Or 1.8s on 4.11s
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Old Feb 28, 2009 | 11:29 PM
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Originally Posted by WAHUSKER
Hard to say, but 4.11s seem to work very well with 6 sp cars. Put some sticky tires on it & you might see a few tenths...
i dont think ill need them, the thing hooks good now, its got toyo ra1's which are pretty soft, 255's

wonder what it will run? mid 12?
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Old Mar 8, 2009 | 04:58 PM
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Default 9"
hey firechicken what are the axle lengths on your 9"? is the rearend stock width for a 3rd gen?
thanks matt
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Old Mar 8, 2009 | 05:39 PM
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Originally Posted by muraoka
hey firechicken what are the axle lengths on your 9"? is the rearend stock width for a 3rd gen?
thanks matt
not sure what the axel lengths are, i know one is longer than the other, but the housing is the same size as my stock 10 bolt (not narrowed)
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Old Mar 8, 2009 | 05:40 PM
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Originally Posted by TwoFast4Lv
Nice!

It will all depend on the hook. I have seen guys go from 2.0 60fts on 3.42 to 2.8 60ft on 4.11s. Or 1.8s on 4.11s
well, i guess it doesnt hook like i thought it would, gonna have to find some slicks for the track.
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Old Mar 8, 2009 | 06:00 PM
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Originally Posted by firechicken76
well, i guess it doesnt hook like i thought it would, gonna have to find some slicks for the track.
Did you run today? Do tell....

Mike
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Old Mar 8, 2009 | 06:49 PM
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Originally Posted by firechicken76
well, i guess it doesnt hook like i thought it would, gonna have to find some slicks for the track.
i have some ET streets for sale in the NW classified section. I ran them a few times on my vette and they were good for 1.7 60s. Probably much faster, but I don't think my car (or maybe the driver) had it in em to go faster
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Old Mar 8, 2009 | 06:55 PM
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Originally Posted by Ackattack1
i have some ET streets for sale in the NW classified section. I ran them a few times on my vette and they were good for 1.7 60s. Probably much faster, but I don't think my car (or maybe the driver) had it in em to go faster
good, deal! ill have to get back to you on that though...


i ran it against a friend, 1990 mustang, i got beat....he had DR
1990 mustang 3000lbs
351w
heavily ported gt40 heads
weiand intake
holly carb
lt's
520 lift cam
3.73 gears
5spd

i would say i lost in the first 60ft, he didnt pull on me after that.
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Old Mar 8, 2009 | 08:18 PM
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Yeah I think you should have had him.....even with his mods.
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Old Mar 9, 2009 | 01:57 AM
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hes heavily modded and im basically stock, cant wait till i get a cam in there
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