Conversions & Swaps LSX Engines in Non-LSX Vehicles
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6.0 swap

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Old Jul 8, 2009 | 11:13 AM
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Default 6.0 swap

Will the 6.0 vortec be a good swap into an 87 suburban 3/4 2wheel drive. Would that be smog legal for california?? Any suggestions.
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Old Jul 8, 2009 | 10:09 PM
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i just did it in an 88 suburban 3/4 4 wheel drive, its not to bad lots of the stuff works out great. Smog legal is possible if you keep all the emmisions and hook it all up right.,
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Old Jul 9, 2009 | 07:44 AM
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Cool. Do you have any pics? Did you keep your original trans or go with a newer one? Any info would be great. Thanks
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Old Jul 9, 2009 | 07:23 PM
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I don't have any pics but it wasn't to hard as long as you have some mechanical knowledge and such, whats hard for one person is eay for another i guess. I bought the 6.0 with a 4l80e already atached, figured it would be easier and pretty strong. I bought the headers from texas speed that were for 98-04 trucks, I had to cut the flange off the miter the pipes a little to pull them in towards the block but things like that are to be expected. The shift linkage to the tranny works fine with a little bit of bending and trying it. I can get it into any gear with ease. I was able to keep my drive shafts the same lenght due to the tranny being longer and the motor shorter, it cam out about 1/2" different so no big deal. I had a 350 with a th400 originally. It already had dual fuel lines so I just go a pump from a 97 Vortec pickup and that works good. If you have any specific questions just ask.
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Old Jul 9, 2009 | 09:25 PM
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Thats cool. Ive never switched a motor before. What did you do for wire harness use your stock one or use the stock vortec one?
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Old Jul 10, 2009 | 07:11 PM
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well as Far as the lights and chassis harness i left that alone and that all works like stock. For the engine and tranny I send the Vortec harness to speartech to have him eliminate all the things that i don't need and to reprogram the ecm which has to be done one way or another. When I got it back everything was like it should be and it fired up once I had fuel pressure and all the wires hooked up right.
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Old Jul 10, 2009 | 07:57 PM
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Ok sounds good thanks for the info. Hopefully I can find a cheap motor and trans.
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