Any great 4.9 mods?
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HT4100 4.1, 4.5, 4.9 Discussion, Any great 4.9 mods? in Cadillac Engine Technical Discussion; yea im a modaholic, and people say to me all the time why are u trying to make a race ...
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    Brizzal's Avatar
    Brizzal is offline Cadillac Owners Enthusiast
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    Any great 4.9 mods?

    yea im a modaholic, and people say to me all the time why are u trying to make a race car out of a cadillac? what wrong with a little power in a cady....so anyways does anyone have any sites or write-ups on some mods for my sedan deville's 4.9?

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    Raze's Avatar
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    Re: Any great 4.9 mods?


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    Re: Any great 4.9 mods?

    There is only one after market performance bit for the 4.9, the series 80 flowmaster muffler. Heck, and it's not even guaranteed that you'll feel any performance benefits there, aside from the sound.
    "They call Alabama the Crimson Tide, call me Deacon Blues."

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    Re: Any great 4.9 mods?

    I~LUV~Caddys8792,

    Dude, not true at all, you need to do a bit more research, read my post there just aren't any off the shelf bolt on kits, if you have any fab experience you'd know that there is plenty to do to these engines...

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    Re: Any great 4.9 mods?

    thanks guys, yea i have the flowmaster 80 on my car love the sound and did get some performance

    and on my 2000 cheve monte carlo i built a FWI (Fender Well Intake) and shielded it from engine heat, worked and sounded great on a V6 but im cautious of making one for the cady i still know alot more about the 3.4 V6 than i do with the 4.9 V8


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