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Thread: Oil catch can?

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  1. #1
    Join Date
    Aug 2007
    Posts
    1,105
    Yeah it seems they have a write up on it but there is a debate which is the best can to use.

  2. #2
    Join Date
    Dec 2006
    Posts
    4,033
    Simple: 408 on steroids!
    single digits coming soon!

  3. #3
    Join Date
    May 2009
    Location
    hot & windy
    Posts
    1,117
    for a DD, you're better off with a closed system than a breather setup. it basically runs like stock except it's putting less-oily air into the intake. that was the way it was explained to me by a couple catch can manufacturers. i installed one last week on my boosted LS1 & it's already proven to keep some oil out of my intake & intercooler. it'll work just the same on a N/A build. you install it in-line between the PCV valve & the intake return & it condenses the oil vapors out of the return air. have you ever looked at your TB blade or inside the intake? that oily residue is from the PCV routing oily air back to the intake to be burned. over time, this just gunks up your manifold, combustion chambers & pistons as well as causing a less-complete burn & timing having to be pulled - robbing you of a little power.

    short answer: yes, any vehicle can benefit from a catch can. you can also make your own for $20-30 at home depot. there are a few DIYs floating around.
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

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