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IRS improvement suggestions

Discussion in 'Suspension Modifications' started by AnthonyRosas, Mar 20, 2017 at 2:15 PM.

  1. AnthonyRosas

    AnthonyRosas Member Established Member

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    Jul 12, 2016
    Location:
    Charlotte, NC
    Hey All

    i've got a ~500rwhp street termi with a stock IRS
    no huge plans to significantly increase HP - ported eaton - pulley and tune

    ive got a large list of other suspension mods in the works right now
    IRS is something i was to address

    Question is: the MM IRS rear grip package - the basics. im sure will be a solid mod for my car.
    but from a $$ perspective, what would be the nest level down from this mod for rear IRS?

    i assume it would just be poly bushing kits?
    i was considering just doing the MM Rear IRS urethane differential mount kit
    https://lmr.com/item/MM-MMIRSB45/99...rsports-Rear-Irs-Urethane-Differential-Mounts

    would this get me a decent improvement over stock?

    i honestly don't launch the car a ton - so im OK if its not super beef'd up.
    but its a toy car and i'm very "spirited" driver. lol

    suggestions/opinion are welcome!
     
  2. P49Y-CY

    P49Y-CY grab em by the pussy Established Member

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    south oc, cali
    i would recommend full tilt boogie racing.

    i have found the fitment and quality of their parts to be superior to mm and others.

    best of luck with it
     
  3. joker21705

    joker21705 Member Established Member

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    Massachusetts
    Full tilt boogie kit

    Sent from my SM-G925V using Tapatalk
     
  4. UnrealSVT

    UnrealSVT Member Established Member

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  5. SROLD

    SROLD Member Established Member

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    Location:
    PHOENIX, AZ
    Full Tilt Boogie is absolute best way to go. Had it on my 03 for over 8 years that i just sold. Very good parts and very good instructions for DIY. Have been to their facility in Wisc and they are a stand up company.
     
  6. AnthonyRosas

    AnthonyRosas Member Established Member

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  7. 2DXTRM

    2DXTRM Pushrod 5.0 Established Member

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    Best $600+ you'll ever spend.
     
  8. blownfox

    blownfox Active Member Established Member

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    Location:
    Kansas
    I did the FT 1350M and FT 5001, FT 1860, and found out my sway end links were bad so I ordered their FT 1900. It was probably over kill for my setup but I only wanted to take out the rear end once. I also upgraded rear sway bar and the car handles awesome.

    My previous car was a 93 cobra with full MM suspension (front/rear coil overs, sways bars, lower control arms, ect) and my 03 handles better (stock springs). I'm not knocking MM as their stuff is awesome and will probably order their coil over kit down the road. IMO you can't go wrong with FTBR or MM!

    Both companies provide excellent customer service and will not try to sell you something you don't need. I would call them and then make a decision on what you need. Just remember it's cheaper to do it right the first time.
     
  9. jrichber

    jrichber browser Established Member

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    I am in the same boat at the moment. I currently have the car torn apart so I could put on a FRPP diff cover. I could not justify spending close to $200 on replacing just 3 bushings for a car that will hardly ever see the track. So I went with the same MM kit you show. Now if LMR does not get them in stock tomorrow like it says they are I will probably get tired of waiting and just spend the extra money to get the FTBR Front and rear differential ones. I figured you can pull the control arms without having to actually remove/drain the differential, so I can tackle those another time.
     
    AnthonyRosas likes this.
  10. AnthonyRosas

    AnthonyRosas Member Established Member

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    Location:
    Charlotte, NC
    you ordered this one?
    https://lmr.com/item/MM-MMIRSB45/99...rsports-Rear-Irs-Urethane-Differential-Mounts

    it says that if i order today it will ship tomorrow

    so maybe yours will ship out then?
     
  11. jrichber

    jrichber browser Established Member

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    Yes, that is the one I ordered. Temp where I live is back down in the 30's this week with snow/rain for the next couple weeks now. So I am willing to wait another week or so but after that I will either cancel it and stay stock or go with the FTBR.
     
  12. KyleSVT

    KyleSVT Terminated Established Member

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    This! FTBR was the best money I have spend on my car to date.
     

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