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Old 02-15-2012, 06:25 PM   #1
ls1nova71
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Join Date: Dec 2009
Location: Independence Mo
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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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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html

5.3 swap into my RUSTY '71 C10
http://ls1tech.com/forums/conversion...71-c-10-a.html
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