My day job as a mechanical engineer designing emission legal engine packages for industrial applications makes me very curious to the emissions output of my LS1 engine at home. I’ve tested my 383 LS1 to ensure the new low overlap camshaft and catalytic converters are doing their jobs. Note that my engine has not been…

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Between switching headers 3 times now and just not being satisfied with the sound I am now on exhaust system number 6. This latest exhaust is made up of the following components: Hooker long tube headers, 8101HKR. 1-7/8″ primaries, 3″ outlets. 3/8″ thick 3 bolt flanges on the header 3″ piping off the headers with…

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This 97 240sx has been by current project since 2007. The LS1 swap was originally finished in 2008. Engine specs: 2002 ls1 block, 383 CI, 11.1:1 compression Eagle forged 4″ stroke crank Eagle 6.125″ Rods Manley -4cc pistons with coated skirts Ackerly and Child extreme piston rings ARP 2000 rod bolts ARP Main studs ARP…

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