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Old 02-14-2012, 08:20 PM   #1
Bulldog88
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Transmission question

I have a good question, will the 4l60 transmission that came with the Lt1 engine work on a 02 5.3 motor? I have the computer and harness from that motor with the plug that plugs into that transmission, so basically my question is it the same 4l60 or not?
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Old 02-15-2012, 05:32 PM   #2
Shon
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Re: Transmission question

Yes it will, you will need one of these:
Crank spacer
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap
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Old 02-15-2012, 06:25 PM   #3
ls1nova71
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Re: Transmission question

Technically it depends on the year of LT1, it needs to be 1996 or later, the earlier ones were not PWM and are different it the way the torq converter locks up. The one you need will have PWM cast into the front pump.
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5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
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