Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Apr 7, 2012 | 01:54 PM
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I got a 6.0L lq4 with a harness, i want to run a t56 behind it. what wiring needs to be removed or added to convert it from automatic to the t56? i do not know what truck the engine came out of but if theres any way of knowing let me know, all i know is the block was a 2004 and before because of the short and long head bolts. thanks
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Old Apr 7, 2012 | 02:13 PM
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All you need to run a manual is the VSS plug. All the auto stuff can come out,
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Old Apr 8, 2012 | 02:37 PM
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lt1swap.com has all the wiring diagrams you need. basically remove all the transmission wiring.
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Old Apr 9, 2012 | 07:35 AM
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You will also want to wire in the reverse lockout.

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Old Apr 14, 2012 | 10:54 AM
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Thanks for all the info, ive been using lt1tech.com that was a big help. but there was a wire left on one of the neutral safety switch connectors and another connector thats grey and green that seems to go to the transmission also
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Old Apr 14, 2012 | 06:43 PM
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Look on the vertical edge of the block at the bellhsg area... driver side. Should be a set of laser etched numbers/letters there. Post them, and we may be able to better ID the engine...
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Old Apr 15, 2012 | 03:09 PM
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I ended up having to get a new block since the original one had a bad spun bearing. I dont have the original block anymore
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