Do any other 90-92 LS400 owners know their NOx emission numbers. In CT mine was tested at 1500 rpm and came out 748 ppm with a max allowable 984. The other CO and HC readings weren't even close. Thanks
Do any other 90-92 LS400 owners know their NOx emission numbers. In CT mine was tested at 1500 rpm and came out 748 ppm with a max allowable 984. The other CO and HC readings weren't even close. Thanks
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