Thread: Turbo/ Supercharge question

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  1. #1 Turbo/ Supercharge question 
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    So i have a 3.8l non turbo. I am looking at putting a turbo kit in it.. What exactly do i have to do to make this happen? any suggestions on kits, etc? Thanks
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  2. #2 Re: Turbo/ Supercharge question 
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    It depends on who you ask. Some people will tell you that for $400 you can make 450whp. Other people have spent $4,000 on their kits and still only made ~300whp.
    You need quite a lot of odds and ends to make it work and if you can't fabricate things on your own it can get expensive quickly. Some people sell entire kits but they start at about 3 grand and I'm not sure they come with injectors at that price.

    In short, you need;

    turbo, crossover, downpipe, wastegate, BOV, injectors, valve springs, all sorts of misc hardware, oil lines, misc gaskets, and a tune. That's a bare bones kit that's not going to make a ton of power. To make more power you'll need custom manifolds or P-logs and an intercooler. At that point you'll probably want a fuel pump and even bigger injectors, unless you went to big ones right off the bat.

    It's a huge job even for seasoned wbody guys. IMO you shouldn't listen to anyone who says it's easy.
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  3. #3  
    GTP Level Member apierce1289's Avatar
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    Like snowflake says it's not easy. I'm building for a turbo and have spent right around 2k just on supporting mods. And that's with nothing ported and polished.

    Sent from my Droid Razr using Xparent Red Tapatalk 2
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  4. #4 Re: Turbo/ Supercharge question 
    GTP Level Member Impala131's Avatar
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    You'll want to do your homework and get information from multiple sources before you get too carried away. I feel that some members of this forum bend the truth on what it cost them to turbo their vehicle. If you are determined, however, you can find something that meets your goals in your general price range.
    2003 Grand Prix GTP.... the journey begins again....
    E85 Self Tune with HPT, 80# Injectors, Gen V 3.4 pulley, SD Headers, AL605 Plugs
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  5. #5 Re: Turbo/ Supercharge question 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    There are many approaches to it. The Z3 kit from zzp is probably the most bang for your buck right now. Either that or a used kit, with a used kit you're not going to get much support putting it in and you get what you pay for. The hardware is used, may be missing fasteners/bolts and may have some hidden problems.

    You don't need to go too extreme at all starting out, actually that's a common mistake for some. A stock engine with a turbo kit, injectors and a decent tune on 91 and low boost 9-10psi is still enough fwd power for most. Anything past that and you need to start putting money into a tranny, fuel pump, valve springs, the only problem is that it's very easy to turn up the boost and you start finding that you need those things. So just leave it on low boost until you are very comfortable with everything that's going on.

    I disagree with it being that big of endeavor, first time I installed the kit it didn't take that long, one afternoon I believe. It would have taken less if I had stock manifolds and downpipe still in it. I've taken the kit off/on a few times now doing various stuff and it's not that bad at all considering its a CT kit. Hardest part is the lower downpipe to upper downpipe bolts and after you do it once, it's pretty easy to figure out the next time.

    It's a huge job even for seasoned wbody guys. IMO you shouldn't listen to anyone who says it's easy.
    IMO you shouldn't be telling people how hard something is if you've never done it before.
    2001 GTP PT61 Turbo, E85, Stock Motor
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  6. #6 Re: Turbo/ Supercharge question 
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    Quote Originally Posted by FoSHO99 View Post
    IMO you shouldn't be telling people how hard something is if you've never done it before.
    You know my life story? I've got plenty of experience in this area.
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  7. #7 Re: Turbo/ Supercharge question 
    GrandPrix Junkie machinegunsquid's Avatar
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    I think he was leaning more towards building your own turbo setup as opposed to buying a ready to bolt in kit.

    Biggest expense I can see is getting a built tranny to deal with the abuse the turbos put down once you do want to turn that happy knob.

    "**** bills. You can live in your car but you can't race your house" -dsmuts
    Want her to stop when she's not looking karate chop her in her crotch that should quiet her for a bit or at the very least put a smile on your face -REDCOMPG
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  8. #8 Re: Turbo/ Supercharge question 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by SnowFlake View Post
    You know my life story? I've got plenty of experience in this area.
    GenIII, sure.

    GenV, sure.

    TVS, sure.

    Turbo? Negative.

    You aren't turbo yet. Jeremy has been for years.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  9. #9 Re: Turbo/ Supercharge question 
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    Quote Originally Posted by bluegtp91 View Post
    GenIII, sure.

    GenV, sure.

    TVS, sure.

    Turbo? Negative.

    You aren't turbo yet. Jeremy has been for years.
    I see you know my life story as well.
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  10. #10 Re: Turbo/ Supercharge question 
    The Blue One blueguy's Avatar
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    Yup.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  11. #11 Re: Turbo/ Supercharge question 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Quote Originally Posted by GTP131 View Post
    You'll want to do your homework and get information from multiple sources before you get too carried away. I feel that some members of this forum bend the truth on what it cost them to turbo their vehicle. If you are determined, however, you can find something that meets your goals in your general price range.
    I wouldn't doubt it, but the reality of it is that most of us bought things that we didn't really need to reach our goals. We have had enough time to look back and think about what we would have done differently, skipped out on or found cheaper. We offer our input and then we get a lot of grief by people who believe it isn't that cheap or easy. Up front the cost is larger, but in the end it is the best bang for your buck. But like I said before, a common mistake is to go all out right away. Keep it simple.
    2001 GTP PT61 Turbo, E85, Stock Motor
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  12. #12 Re: Turbo/ Supercharge question 
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    Never actually owning a turbo wbody ≠ no experience with them and/or turbo concepts.
    This might be a hard thing for you to grasp but everything I told him is spot on and I base those statements on Experience.
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  13. #13 Re: Turbo/ Supercharge question 
    GTP Level Member sdavis11b's Avatar
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    So what are the advantages of the Cartuning kit over, lets say the Z7 kit.

    2004 GTP - TEP TRANS, INTERCOOLER, 3.0, AND PLENTY OF KR...
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  14. #14 Re: Turbo/ Supercharge question 
    GT Level Member bmx6454's Avatar
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    lotta money lol. best to upgrade bottom end a bit, and a new tranny if urs is old..
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  15. #15 Re: Turbo/ Supercharge question 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Quote Originally Posted by bmx6454 View Post
    lotta money lol. best to upgrade bottom end a bit, and a new tranny if urs is old..
    Never touch the bottom end.

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  16. #16 Re: Turbo/ Supercharge question 
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    Okay, I'm going to toss that idea out the window. haha ideas on what to do? will a chip help performance at all? New headers maybe?
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  17. #17 Re: Turbo/ Supercharge question 
    Killa Bee Scottydoggs's Avatar
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    i like potato chips.

    there is no such thing as a performance chip. what ever you saw, its fake.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  18. #18 Re: Turbo/ Supercharge question 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Chips are fake.

    A tune with a tuning software will help or you can buy a tune from a vendor.

    Headers are always a great mod and are needed if you want to really mod it past a intake.

    Read up on mods and what is needed to do them, troll the forum for answer. The L67 (supercharged) section has a modding thread that you find some good info in.

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  19. #19 Re: Turbo/ Supercharge question 
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    If you want to maintain a power level that's fun, but won't entirely ruin your transmission I'd just do a cheap intake, set of headers and a 3.5-3.6 pulley with a custom tune. Super cheap and pretty impressive gains.
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  20. #20 Re: Turbo/ Supercharge question 
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    Quote Originally Posted by sdavis11b View Post
    So what are the advantages of the Cartuning kit over, lets say the Z7 kit.
    Cheap if you get them used.

    Also what vehicle does the OP own?

    He may not even have boost to begin with.
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