GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

5.3L out of 06' into a 81 chevy???

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Old Mar 6, 2007 | 11:05 AM
  #11  
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the wiring of a LSX in any chassis isnt that big of a deal. they sell harness's or you can make yours work but going thru the harness
its nothing more then a standalone harness


EFI is where its at...youll get more heads turning more props with a LSX based motor then you wil lwith a Gen I motor
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Old Mar 6, 2007 | 11:13 AM
  #12  
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a 400 is that much better than a 383, it's just that it is damn near impossible to find good condition 400 blocks. bang for buck 383!
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Old Mar 6, 2007 | 11:13 AM
  #13  
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impossible in comparison to finding a 350 block that is!
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Old Mar 6, 2007 | 02:04 PM
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yeah i found a site which seems decent that sells them for a good price. i will look for the site and post it.yeah i was thinking of a 400 with a good set of heads and carb and maybe some gas will give me more than the 12s i am looking for.

Would a th350 tranny be up to the challenge???
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Old Mar 6, 2007 | 02:06 PM
  #15  
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any tranny could be good and any tranny could be bad all in the builder
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Old Mar 6, 2007 | 02:09 PM
  #16  
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Originally Posted by Quik
any tranny could be good and any tranny could be bad all in the builder
ok. well if the stock tranny is built can or will it hold up? assuming the right person/shop builds it
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