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Old 03-09-2024, 04:21 PM
hotroddave hotroddave is offline
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Default new ls build, 81 firebird

new at this, I'm trying to see if anyone has installed a 4l80 transmission in an 81 firebird, if it will fit the transmission tunnel. Doing an upgrade with an ls 6.2 and wanted to use this tranny if possible

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Old 03-09-2024, 05:54 PM
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Scarebird Scarebird is offline
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I would search here:

https://ls1tech.com/forums/conversions-swaps-28/


I did a swap with a 79, but used a TKO trans, starts 2/3 of the way down the page:

https://forums.maxperformanceinc.com...heretic&page=4

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Old 03-11-2024, 05:05 PM
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KS circutguy KS circutguy is offline
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Just curious why a 4l80?

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Old 03-11-2024, 05:09 PM
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Anyway some good details here;

http://www.jakesperformance.com/4l80-faq/

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