Thread: evap and pcv

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  1. #1 evap and pcv 
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    im doing a supercharger swap gen lll to gen v i have all the stuff to do the swap but now i lost i have been looking it up for awile now and i still have no clue how to do the evap and pcv for the gen v.


    i did buy the throttle body adaptor for my l67 t/b but i herd im going to have to drill a hole in it for the vac line. if i buy a N* t/b would the setup work right with out drilling a hole it it.

    if any one can send pic to show what a evap and pcv is that would be great.
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  2. #2 Re: evap and pcv 
    GTP Level Member Scimmia's Avatar
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    PCV: if you're using an L67 TB, take a look at the bottom. There's a brass plug there that needs to be drilled and tapped. Put a fitting in and run a line from that fitting to the input on the top of the Gen V. From what I've seen, the N* will already have a port set up for the PCV. The key is that you need to get air from behind the MAF but in front of the throttle plate.

    EVAP: this just needs a regular vac source, so you can run it to the normal spot on the TB and block off the input on the back of the blower, or you can put a fitting into the back of the blower and use that, then block off the port on the TB.
    2001 Buick Regal LS - Almost Stock
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  3. #3 Re: evap and pcv 
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    can you tell me where the pcv input is on the gen v?

    and could you tell me where the evap is? haha im new with this stuff
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  4. #4 Re: evap and pcv 
    GTP Level Member Scimmia's Avatar
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    The PCV inlet is the one sticking straight up. The EVAP port is below that, behind the TB.
    2001 Buick Regal LS - Almost Stock
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  5. #5 Re: evap and pcv 
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    cant find the pcv... is it under the plate on top of the supercharger
    ?
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  6. #6 Re: evap and pcv 
    GTP Level Member Scimmia's Avatar
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    It's the only port that points up. The plate is the PCV valve, the inlet is beside that toward the tb.
    2001 Buick Regal LS - Almost Stock
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  7. #7 Re: evap and pcv 
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    o so its not on the s/c its behind it?
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  8. #8 Re: evap and pcv 
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    now when you said the t/b needs to be drilled and taped and put a fitting in it what do you mean by that?
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  9. #9 Re: evap and pcv 
    GTP Level Member Scimmia's Avatar
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    Quote Originally Posted by Biggie1720 View Post
    o so its not on the s/c its behind it?
    No, it's on the blower housing.
    Quote Originally Posted by Biggie1720 View Post
    now when you said the t/b needs to be drilled and taped and put a fitting in it what do you mean by that?
    Um, I mean drill it out with a drill, tap it with a tap, and screw a fitting in. If you don't know what that means, I'm not sure what to tell you. Drilling and tapping holes is pretty standard stuff.
    2001 Buick Regal LS - Almost Stock
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  10. #10 Re: evap and pcv 
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    its on the back of the blower.?
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  11. #11 Re: evap and pcv 
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    so i got it all in and everthing going i have to block off the old evap plate still. but i have no clue how to do the pcv i looked all over on the gen v there is no nipple on top for the pcv. my supercharger is off a 05 comp g dont no if that matters.
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  12. #12 Re: evap and pcv 
    GTP Level Member Scimmia's Avatar
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    I did a search and it looks like I was thinking of the L26 UIM when I said "top" (I don't work on 04+ much). It's in the same spot on the Gen V, but recessed down a bit. I never really noticed it. It's still EXACTLY where I said and should be very easy to find. I think I'm done here, though. I'm baffled how you would do a Gen V swap at this point.
    2001 Buick Regal LS - Almost Stock
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  13. #13 Re: evap and pcv 
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    i did it its all good and fast
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  14. #14 Re: evap and pcv 
    GTX Level Member Ricky21's Avatar
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    this thread made me lul a bit
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