Thread: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS)

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  1. #21 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    GT Level Member Pontiac Man's Avatar
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    Ok thanks
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  2. #22 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    GrandPrix Junkie
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    No problem.
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  3. #23 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    pssssshhhhhhtt Jomamma's Avatar
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    I want to hear a video or sound clip
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  4. #24 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    SE Level Member phalanx's Avatar
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    Quote Originally Posted by Jomamma View Post
    I want to hear a video or sound clip
    +1

    wheres the vids?
    2002 Black Grand Prix GTP sedan - Go: SLP CAI & K&N Oiled Filter, Magnaflow catback, Overkill Tuned | Show: tint, GTP badge overlays, grill inserts
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  5. #25  
    GXP Level Member z3r0's Avatar
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    Quote Originally Posted by phalanx View Post
    +1

    wheres the vids?
    Plus tell two

    Quote Originally Posted by TLSheff View Post
    I'm a Sex Offender
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  6. #26 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    I AM PEWPIN! rynoman03's Avatar
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    Im not 100% for this idea but I would like to hear how much louder it actually is.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  7. #27 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    I live here. Slick2500's Avatar
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    Meh it looks legit, I have a spare blower I might try this with if I can remember where it is.
    2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
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    Superchargers take away horsepower
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  8. #28  
    GrandPrix Junkie Sandman's Avatar
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    Nice work, but you're not the first. I saw someone on CGP do more or less the same thing with a plate.
    05 Saab 9-2X Linear (Saabaru)
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    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  9. #29 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    DUI BABY Bio248's Avatar
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    it's not louder at WOT at all. it's louder during part throttle where you're boosting maybe 3-5 pounds of boost.

    for the effort, and i've had them sealed on my car, i think it's a complete waste of time.
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  10. #30 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    The Blue One blueguy's Avatar
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    It's louder.

    ala, ported M90 here...

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  11. #31 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    SE Level Member 850Fishing's Avatar
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    sorry for the delay, here is a before and after from inside the car


    Before: 3.4 w/ supporting mods before Port and Polish - YouTube
    After: 3.4 w/supporting mods after Port and Polish with silencer plate - YouTube

    car ran good for 2 days then seems like a loss of power, realized it didnt like the tune i had from the intense 1.0 pcm, so i purchased hp tuners and been playing/learning with the tune, my maf sensor was way out of calibration from the new mods. I will say out of all the things i did to my car the hp tuners is by far the funnest. its amazing what changing some numbers in a few tables can do as for performance. i will post more vids after i get it tuned right.
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  12. #32 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    SE Level Member 850Fishing's Avatar
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    Also had the low oil pressure idiot light in my dash on and hp tuners was reading my oil psi at -15. I just replaced the sensor 3 months ago so i figured it was still good. i have a light ticking that you can only hear at 2500 to 3500 rpm under load, figured it was a collapsed lifter that was not priming or a small exhaust leak at the cross over pipe to the rear headers. i pulled the idiot sensor out and taped a mechanical oil gauge in the port and mounted it in engine bay with new oil and filter 10w 30 syn. I was scared to start it and look at the pressure..... Cold start, idle in park it was at 60psi. THANK GOD!!!!!!!!! I still dont understand why hp tuners is reading my oil psi at -15. I purchased the mvpi standard new directly from hptuners.com for $540 shipped. does anyone on here have the standard mvpi on a 98 gtp with an oil pressure reading at -15?
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  13. #33  
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    No factory oil pressure sender, no oil pressure in pcm.
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  14. #34 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    GTP Level Member Rico's Avatar
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    Like Matt says there is no sender it's just a switch. You're seeing the default reading in HPT.
    It's a CUMMINS Dodge not a Dodge Cummins
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  15. #35  
    GrandPrix Junkie Sandman's Avatar
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    That sender just tells the PCM when oil pressure goes below 15psi or so and flips the light on.
    05 Saab 9-2X Linear (Saabaru)
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    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  16. #36 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    SE Level Member 850Fishing's Avatar
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    Ok thanks, is there any downside to have the oil pressure switch deleted besides the oil cel will no longer work?
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  17. #37 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
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    not really.

    if your oil pressure drops that low, you're kinda done anyways.
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  18. #38 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    GrandPrix Junkie Sandman's Avatar
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    Yea 15 psi and you're done. You can just plug the hole or get a oil pressure gauge and put the sending unit in that location.
    05 Saab 9-2X Linear (Saabaru)
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    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  19. #39 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    I live here. TLSheff's Avatar
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    Nice write-up! Thanx

    Quote Originally Posted by AmericanSoldier View Post
    ...not scanning/monitoring your motor is like bangin a hooker and you just HOPE your not infected.
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  20. #40 Re: Safely Filling Silencer Holes on ported Eaton M90 Gen III Supercharger with (PICS 
    GT Level Member SleeperGS's Avatar
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    I just had my ports welded shut by a shop they knows what they are doing. They are the best in the Cincinnati area, so if anyone in Cincy area wants this done they only charged 50 bucks. I thought this was reasonable since it is done with a nice pretty bead...lol. As soon as my damn motor is finished, I will post up a vid. The motor is done, just not in the booick yet..
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