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Old May 11th, 2008, 10:21 PM   #1
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what do yall mean when you say:


open differential (non-posi) or "pi" or a non 'pi car' or posi trac?
...what is all this posi stuff?
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Last edited by v606er : May 11th, 2008 at 10:29 PM.
 
Old May 11th, 2008, 10:23 PM   #2
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pi = performance improved. it's the heads/cams/intake differences betweed the
96-98 GT and the 99-04.

open diff means you don't have a traction lock.. means you only spin one tire.. not power both..
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Old May 11th, 2008, 10:31 PM   #3
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Originally Posted by HMUSN View Post
pi = performance improved. it's the heads/cams/intake differences betweed the
96-98 GT and the 99-04.

open diff means you don't have a traction lock.. means you only spin one tire.. not power both..
oo so thats like when only the back right tire spins cause it get more power...

say i gave it enough power to make one tire spin, but then i got tlock and gave it the exact same ammount of power... with tlock would neither spin or would both spin?
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steeda UDP, steeda CAI, xcal3, waiting on a time to install 3.73 gears, tlok
Fast + Cheap = Not Reliable
Cheap + Reliable = Not Fast
Fast + Reliable = Not Cheap

"come on, lower your standards a little.. i did"
 
Old May 11th, 2008, 10:32 PM   #4
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if neither spun you would go nowhere.. tires are meant to hook and go. lol

but yes with a t lock you would get power to both wheel instead of just one.
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Old May 11th, 2008, 10:35 PM   #5
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gts come stock without t lock correct?
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Old May 11th, 2008, 10:35 PM   #6
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lmao.... pi stands for power improved heads 96-98 have non pi (power improved) heads 99-04 have pi heads it has nothing to do with the differential or positive traction (posi trac) thats why there's such a power difference
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Old May 11th, 2008, 10:36 PM   #7
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Originally Posted by DeMello View Post
gts come stock without t lock correct?
yes
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Originally Posted by DeMello View Post
looks like i demellowed myself

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Old May 11th, 2008, 10:37 PM   #8
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i dont know if they come stock or not i know 96 and lower dont they have lsd
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Old May 11th, 2008, 10:38 PM   #9
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^ yes they do.

it's 85 and 86 .. is when all 8.8's (GT's) came stock with a t lock.
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Old May 11th, 2008, 10:39 PM   #10
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Originally Posted by HMUSN View Post
if neither spun you would go nowhere.. tires are meant to hook and go. lol

but yes with a t lock you would get power to both wheel instead of just one.
you know what i mean. dont be an ass... lol

spin as in burnout.
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steeda UDP, steeda CAI, xcal3, waiting on a time to install 3.73 gears, tlok
Fast + Cheap = Not Reliable
Cheap + Reliable = Not Fast
Fast + Reliable = Not Cheap

"come on, lower your standards a little.. i did"
 
Old May 11th, 2008, 10:39 PM   #11
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Read and Learn: Limited slip differential - Wikipedia, the free encyclopedia
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Old May 11th, 2008, 11:14 PM   #12
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Originally Posted by ReverendDexter View Post
Read and Learn: Limited slip differential - Wikipedia, the free encyclopedia
^helpful
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steeda UDP, steeda CAI, xcal3, waiting on a time to install 3.73 gears, tlok
Fast + Cheap = Not Reliable
Cheap + Reliable = Not Fast
Fast + Reliable = Not Cheap

"come on, lower your standards a little.. i did"
 
Old May 11th, 2008, 11:16 PM   #13
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ive never heard of t lock...
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Old May 11th, 2008, 11:17 PM   #14
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t-lock=lsd.. same thing
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Originally Posted by DeMello View Post
looks like i demellowed myself

sry OP
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Old May 11th, 2008, 11:19 PM   #15
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Originally Posted by injected03stang View Post
ive never heard of t lock...
traction-lok... it's Ford's parts bin limited-slip unit.
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