Thread: Dirt cheap mods: my never ending struggle

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  1. #21 Re: Dirt cheap mods: my never ending struggle 
    Donating Users Bronco Boy's Avatar
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    Quote Originally Posted by wstefan20 View Post
    Lol guys, you have to remember I am on a mostly stock L36 NOT a L67 like most of the folks here. While with more modifications/horsepower, it might get raspy and sound bad like all of you are describing, as of right now,
    Mostly stock L36 here.



    1. to me it doesn't sound raspy at all
    3. I love the sound now
    That's all that matters.
    Chris B
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    ** SOLD ** 2002 GT
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  2. #22 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Thanks Bronco. I completely agree. Every time I start it up now, I love the sound and it makes me glad that I found these.
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  3. #23 Re: Dirt cheap mods: my never ending struggle 
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    *hates trans swap in Tahoe*

    Go try an LS4 car.

    They're a weekend full of ignorance, clips, and no room to do anything.

    The 3800 is a breeze.

    Or; you can tell anyone with a C5 Corvette to straight **** off; because that's pretty awful as well.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
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  4. #24 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Yeah. I bet 4t80e isn't fun either...

    Wouldn't it be easier to remove both as a unit?

    Yeah. That transfer case though....
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  5. #25 Re: Dirt cheap mods: my never ending struggle 
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    It's still a 4T65E...that's why they fail so much with the LS motor anchored to it.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
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  6. #26 Re: Dirt cheap mods: my never ending struggle 
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    I did a 99 gm pickup last year. Wasn't horrible except for not having the toolbox where the work was being done. The procedure you listed is essentially the "correct" procedure except you typically take the transfer case out and not hang it.
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  7. #27 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by BillBooost37 View Post
    I did a 99 gm pickup last year. Wasn't horrible except for not having the toolbox where the work was being done. The procedure you listed is essentially the "correct" procedure except you typically take the transfer case out and not hang it.
    I've done an 04 gm pickup as well and it wasn't bad. That's why I signed on. Unfortunately the 98 yukon's gas tank keeps you from angling it sideways, and the tortion bar is 2" away.

    I forgot to mention the front drive shaft was rust welded in because the dust cover was missing.... That's what made it worse.

    Didn't have access to acetylene and propane and dead blow hammers didn't work.
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  8. #28 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Well, my boat has been feeling very sluggish and didn't want to accelerate. I kept going back to what I did on the car, and finally came across the noob mistake I made. When going to short ram air intake, I thought that the throttle body "screen" was just a filter to catch large particulate and removed it *facepalm* I know that some of you are going to argue it doesn't matter, and on your build, maybe it doesn't, however, there was a HUGE improvement in throttle response and my mpg went up as well as stabilized my idle some.

    On a second note, I have been dealing with a P0420 since upgrading my catalytic converter to high flow. I tried using a bored out spark plug non-fouler which worked but after less than 1000 miles, I got a code for my o2 sensor heater short. Upon removing the o2 sensor, I found more rust and condensation than I could fathom! I removed my o2 sensor and just dealt with my code.

    As you might already know, I just removed my resonator and upgraded my mufflers to dual borlas. Strangely enough, my code disappeared!! I thought maybe I forgot and cleared the code and that it would come back shortly. It's probably too soon to say for sure, but I'm already over 500 miles without a return of the dreaded P0420!

    Wondering if anyone has experienced anything like this before. My hypothesis is that the reason it was throwing the code in the first place is that the exhaust was backed up (plugged muffler?) etc. and that by removing the restriction, it could flow correctly. Strangely my mpg has improved up to around 22mpg mostly stop and go city driving and around 30mpg highway! Not sure if the exhaust has something to do with it.
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  9. #29 Re: Dirt cheap mods: my never ending struggle 
    I break stuff selliott's Avatar
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    Quote Originally Posted by blueguy91 View Post
    *hates trans swap in Tahoe*

    Go try an LS4 car.

    They're a weekend full of ignorance, clips, and no room to do anything.

    The 3800 is a breeze.

    Or; you can tell anyone with a C5 Corvette to straight **** off; because that's pretty awful as well.
    Hell we did a very expensive trans swap on a 3800 while hammered and the wives laughing at us.....but it got done dammit
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  10. #30 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by selliott View Post
    Hell we did a very expensive trans swap on a 3800 while hammered and the wives laughing at us.....but it got done dammit
    Haha yeah. Can't say about the LS4 but I'd rather do four 4t65e then that yukon! Took me 30 minutes at the junk yard to pull both the engine, trans, and dissect it for parts!

    I bet the ls4 has to come out the bottom via the subframe though so if you don't have a lift, good luck!
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  11. #31 Re: Dirt cheap mods: my never ending struggle 
    I break stuff selliott's Avatar
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    I wasn't involved in the ls4 fun lol
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  12. #32 Re: Dirt cheap mods: my never ending struggle 
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    I am curious if anyone has actually noticed a difference from higher flow mufflers getting rid of the P0420 code too. I had a plugged catalytic converter a while back, got rid of it, left the resonator in and now i'm wondering if it's plugged from the catalytic converter material.

    good choice on putting the maf screen back in. I had a hell of a time tuning my maf when the screen was gone. as soon as it went back in, it was easy to tune.
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  13. #33 Re: Dirt cheap mods: my never ending struggle 
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    Quote Originally Posted by SgtMarshal View Post
    I am curious if anyone has actually noticed a difference from higher flow mufflers getting rid of the P0420 code too. I had a plugged catalytic converter a while back, got rid of it, left the resonator in and now i'm wondering if it's plugged from the catalytic converter material.

    good choice on putting the maf screen back in. I had a hell of a time tuning my maf when the screen was gone. as soon as it went back in, it was easy to tune.
    This is why I always ran new mufflers, a glasspack/bullet race muffler for a resonator, and no cat or a Frozen Boost "cat".

    And tune out the P0420 regardless
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
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  14. #34 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    interesting. Glad to know I wasn't the only one. Maybe the cat had blown. Wouldn't be surprised since the engine self destructed before I bought it so who knows?
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  15. #35 Re: Dirt cheap mods: my never ending struggle 
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    Some people just neglect sh1t and drive it until it doesn't drive anymore and don't give any flying f**ks.

    That's why I work with the public because it never ceases to amaze me the garbage people come up with...or fail at.
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
    Sold WBody's: '98 GT, '98 GTP, '03 GTP, '05 GXP
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  16. #36 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by blueguy91 View Post
    Some people just neglect sh1t and drive it until it doesn't drive anymore and don't give any flying f**ks.

    That's why I work with the public because it never ceases to amaze me the garbage people come up with...or fail at.
    Haha this is the truth! Mine was meticulously maintained by the original owner, but the upper intake warped and dumped coolant and hydro locked the engine and shattered a connecting rod.

    She still had all the receipts from the dealer on everything! Darn you plastic upper bull ****!
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  17. #37 Re: Dirt cheap mods: my never ending struggle 
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    Quote Originally Posted by selliott View Post
    I wasn't involved in the ls4 fun lol
    You didn't really miss much
    1999 Chevrolet Silverado K1500 Classic Z71 - Intake/Gibson Exhaust/20% Tint
    2004 Chevrolet Corvette MRM A4 - C5Z Suspension/AFE S2 Intake/TSP Catless LT's/3" ORX/C6 ZR1 Wheels
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  18. #38 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Well, since the forum died, here's a few posts from w-body since I've been away:

    Since my lower intake is off, decided to hog out the coolant passage.




    And here is the best tool I've ever used from harbor freight. $5 and it took maybe 10 minutes to carve this out!



    Started smoothing out the turbulence lip between the spacer and neck





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  19. #39 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    Well, I almost didn't check, but I wanted to go with gaskets instead of rtv this time. I'm glad I checked!



    So not wanting any "air baffles" I trimmed them down. Fortunately, I blocked off the coolant at the lower intake (see prior posts). Unfortunately, I still want to use the stock pcv inlet adapter so I'm going to have to carefully put in rtv around that hole so I don't have a vacuum leak. The trick will be not putting too much so it won't block the port!



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  20. #40 Re: Dirt cheap mods: my never ending struggle 
    GTX Level Member wstefan20's Avatar
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    In preparation for adding a catch can, I'm plugging the vacuum intake in the upper intake manifold. Don't worry, I've tested this already. If you noticed the barb installed were the evap solenoid goes on 04+, this will be the new vacuum intake will be. Essentially, I'm re - routing the vacuum intake for the pcv externally through a catch can. I'll post a how to later


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