Need to do a tune up on the new beast and there's tooooo much info and variables. Just want a good dependable plug for 96 stock 454, thanks for any and all help guys! Im hearing good things about ac Delco iridium plugs?
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For gap go with .045 instead of the called for .060. I don't have the link handy, but one of the rv companies tested it on a chassis dyno & it was worth a few whp. Plus smoother idle
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Thanks!For gap go with .045 instead of the called for .060. I don't have the link handy, but one of the rv companies tested it on a chassis dyno & it was worth a few whp. Plus smoother idle
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Just picked them up, thanks.According to Wholesale GM Parts Online, ACDelco RapidFire part number 19308033 are the plugs spec'd by GM for a '96 454.
https://www.wholesalegmpartsonline....odel=14488&modelYear=1996&ukey_category=19398
https://www.summitracing.com/parts/ado-14