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Thread: popped my dipstick, how fucked am i?

  1. #11
    im sure its FINE. if it runs fine and has no smoke its probably ok. it will push the stick out because there is not enough room for the crankcase to breath out of that one hose you have. if you get any knock at all, it will push the stick.

    the swoosh you hear when you pull the stick of from crankcase vacuum NOT positive pressure. the crankvents make a vacuum when the car is not in boost.

    make sure your getting no spark knock and make the stick fit the tube tighter

  2. #12
    Diamonds and Rust
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    Quote Originally Posted by Ray Pampena View Post
    im sure its FINE. if it runs fine and has no smoke its probably ok. it will push the stick out because there is not enough room for the crankcase to breath out of that one hose you have. if you get any knock at all, it will push the stick.

    the swoosh you hear when you pull the stick of from crankcase vacuum NOT positive pressure. the crankvents make a vacuum when the car is not in boost.

    make sure your getting no spark knock and make the stick fit the tube tighter
    thanks for all the reply! im a jeweler by trade and theres a device we use for milling gold,silver ,ect... its rollers that can be tightened and flatten out metel. would running the dipstick thru there and making it flatter and wider work to secure it better. right now i put a ziptie on it but left enough room for the stick to pop up 1/2 inch to relieve pressure if necs but not splatter my header with oil. car is in show all weekend(last one this year, only indoor show). no i didnt pressure test yet, i just got involved with my online courses yesterday and didnt wnat to mess with it till after the show. i will be getting some breathers and removing the rear krank vent. good thing the show is 1/2 mile away.
    Last edited by gltasn; 09-24-2010 at 10:06 AM.

  3. #13
    you can flatten the stick some.. thats fine. krank vents need to be both or none. the one on the manifold will suck air in like a leak if the other one is open

  4. #14
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    Quote Originally Posted by Ray Pampena View Post
    you can flatten the stick some.. thats fine. krank vents need to be both or none. the one on the manifold will suck air in like a leak if the other one is open
    Unless if your using stock pcv valve also then its just douple secure.

    Is it good to have that extra vacuum in the crankcase when using both crank vents ?

  5. #15
    its good to have but its only under manifold vac conditions. once under boost, theres no vacuum in the crank case. it helps the turbos drain and reduces the chance of exhaust smoke from anything like rings, valve seals, and turbos.

    under boost, you have to make sure it can breathe well though or it will push the stick out or make oil leaks and or smoke

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  7. #16
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    this topic got me thinking since I´m getting rid of the ac could I put a vacuum pump where the ac normally sits. That way I could have a vacuum at the crankcase under boost...

    Something like this.

    http://www.lsxtv.com/forum/gz-motors...p-kit-194.html

  8. #17
    thats the deal... its worth some power too

  9. #18
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    less oil contamination and no need to vent the cc back to intake(what matters most to me) + other good stuff

    intresting reading about vacuum pumps..

    http://www.dragstuff.com/techarticles/vacuum-pumps.html

    http://www.gzmotorsports.com/vacuum-pump-guide.html

    What still conserns me is that in stock form there is no vacuum at the crankcase its just ventilated hmm...
    Last edited by mb7050; 09-25-2010 at 08:16 AM.

  10. #19
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    Caught up to the class on the vacuum system now... lol
    Last edited by hotGTO; 09-24-2010 at 03:44 PM.
    Dave


    91 Stealth TT- Pampena Stage 2 short block, rebuilt heads, Solid mounts, MBC, Vac reduc, hotwired, Blitz FATT, 4.5" FIPK, TurboXS BOV, Stainless Downpipe, Race pipe, Borla exhaust, AHDS, 500 lb clutch, JDM 25 spline 5 spd/tcase, Short Shifter, EVO leather knob, 18" Mazdaspeed wheels, Front Splitter, in dash touch screen bluetooth/navigation/DVD...

    94 3000GT DOHC - Nitrous express proton series w/ upgraded solenoids, dash mounted datalogger, in dash touch screen navi w/bluetooth, IPT end clutch, high performance trans cooler, Translab shift kit. SOLD

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