Conversions & Swaps LSX Engines in Non-LSX Vehicles
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5.3\4l80e conversion

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Old Nov 3, 2009 | 04:45 PM
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blazerboy72's Avatar
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Default 5.3\4l80e conversion

I have been working on a 71 2wd blazer conversion for a few years now. I had planned on using a th400 but I have decided I want something a little more street friendly (after building my ls1 4Runner). So my question is I have already had the harness reworked and removed the transmission stuff. So should I use a non computer controlled version, get a new harness and reprogram the computer or use a full manual transmission? I have hp tuners so programming isnt a problem. I just dont know which transmission to look for.
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Old Nov 4, 2009 | 08:07 PM
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Default 4l80e

If you have the money get the electronically controlled 4l80e. Will bolt up with no crank spacer and wiring it in is pretty straight forward.
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