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4L603 1st and 2nd slipping

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Old 12-16-2008, 03:20 PM
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Default 4L603 1st and 2nd slipping

i just got a 94 lt1 z28 with 90,000 miles for $1500.00. seen here https://ls1tech.com/forums/introduct...l#post10658427

it has a 4l603 (i believe) and first and second are slipping (i was aware of the issue before buying the car)

the fluid has a slight pungent burnt smell to it. and is darker than the used fluid in my 94 pickup with 10,000 miles on it.

im just trying to get possibility's before i tear into it
Old 12-16-2008, 03:39 PM
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Sounds like its just burnt up rebuild or replacement time
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Old 12-16-2008, 03:55 PM
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Originally Posted by performabuilt
Sounds like its just burnt up rebuild or replacement time
whats average cost on a rebuild kit
Old 12-16-2008, 08:52 PM
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i just got quoted 850 to rebuild it if i pull the trans is it just me or is that a bit steep
Old 12-16-2008, 09:24 PM
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For a stock bench build depending on where you are at thats reasonable I would think low in some places a little high in others , Just depends
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Old 12-16-2008, 10:08 PM
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Originally Posted by performabuilt
For a stock bench build depending on where you are at thats reasonable I would think low in some places a little high in others , Just depends
same place only charge 150 to rebuild a turbo 350 i supplied the parts
Old 12-16-2008, 10:19 PM
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I was quoted 1200 for a rebuild if i pull mine so that is a pretty good deal.
Old 12-16-2008, 10:57 PM
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Originally Posted by IronOutlaw
I was quoted 1200 for a rebuild if i pull mine so that is a pretty good deal.
1400 i was told locally and good to 400hp. HA.




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