Conversions & Swaps LSX Engines in Non-LSX Vehicles
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LS1 3rd gen swap

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Old Aug 10, 2007 | 11:13 PM
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91LS1T56's Avatar
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Default LS1 3rd gen swap need info

i have a 91 Z , i also have a 2000 TA that was rearended. the TA runs & drives.the 91 has subframe connectors,eibach springs,poly bushings,adjustable pan hard bar,tubular rear control arms. the mailman just droped off a spohn adjustable torque arm,tubular k member,motor mounts,and cross member. what a dude ! stainless works conversion headers are next on the list. what els do i need? what do i do about the vats? the TA has egr tubes,i heard there was no egr on 2000 and newer,mid year introduction? ive also heard of swaping in the 4th gen dash all the gauges would work. are the sending units and speed sensor compatible with the 91 dash? how difficult is the 4th gen dash swap?

Last edited by 91LS1T56; Aug 11, 2007 at 09:47 PM.
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Old Aug 10, 2007 | 11:24 PM
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Vats can be programmed out, or find someone who makes a by pass box. The egr stuff was junked in 2001 i think.
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Old Aug 10, 2007 | 11:26 PM
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http://www.thirdgen.org/techboard/lt...on-answer.html
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Old Aug 12, 2007 | 11:53 PM
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http://www.thirdgen.org/techboard/en...3-92z-ls2.html

this is what i built post there

its a 92z w an ls2/t56 speartech harness spohe everything else click the movie and look at the pics
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Old Aug 14, 2007 | 09:42 PM
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Default nice ride

you are right having all the parts or most of them will make things go more smoothly.a local garage hooked me up with wire diagrams ,there in color.that makes them sooo much easer to read.your car looks perfect,nice job.
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Old Aug 15, 2007 | 01:24 PM
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have speartech do the wiring harness it saves such a headace and hes very helpfull with other problems as well
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Old Aug 15, 2007 | 06:11 PM
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Check out LT1 Wiring in Erie, PA, they have a Ebay auction going right now for $300 for the modded harness and basic tuned ECU, I just sent mine out.
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