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Thread: Is the 411 PCM upgrade worth it for only basic mods

  1. #11
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    Thanks, i will likely do the work to swap to the 411. I will work with my tuner who has experience with 98-00 BBC and likely go with whatever he suggests. At this point i don't think i am really interested in anything a COS upgrade has to offer, but i figured it may add some flexibility in the future? I will have to do some more reading thru these forums. After i do the 411 PCM, cam, headers and transmission, i likely wont be doing much else other than looking thru the maps for a little extra performance here or there and playing with the PCM inputs/outputs to control gauges/fans etc.

  2. #12
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    Sounds good, then a stock OS should be just fine for you. Good to hear your tuner has more knowledge about this swap, I can help with the mixing/matching/mashing of tunes and how to get your base tune setup, but I havent done anything with a BBC before just LSx stuff with the 0411.
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, starting the mods
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  3. #13
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    Sounds great, stock OS it will be, thanks again for the help, you have saved me a bunch of time as i wanted to have this stuff roughly sorted out before i started pulling my truck apart.

  4. #14
    Joe (Moderator) joecar's Avatar
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    ( I don't know why the forum software was marking your 3 posts 'Moderated' (I didn't see any questionable url's) which makes them invisble... I saw that you posted the same material after that so I deleted those 3 moderated posts
    )

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