• Welcome to SVTPerformance!

Powertrain limits.

Discussion in 'Marauder' started by jmsa540, Jul 10, 2018.

  1. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    What can they handle?

    I think the 4r70w can handle somewhere around 700 lbtq.

    Im talking stock internals.

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  2. offroadkarter

    offroadkarter Professional S***poster Premium Member

    Messages:
    6,213
    Joined:
    Dec 12, 2008
    Location:
    NJ
    Keep in mind the marauder is a lot heavier than a mustang, so what the trans or rear end can handle in a fox isn't true in a 4000+lbs car. I've seen people with a 5spd manual behind a mostly stock 2v in a crown vic / grand marq blow the 8.8 to pieces doing dumb shit.

    Engine is good for about 450 wheel, some people go past that with meth but I would never. I'm at 440 with the manual on a very safe tune and only 8psi boost.

    I would absolutely suggest a trans cooler and a j mod for the trans (maybe not pulling out the spring) to help prolong the life.
     
  3. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
  4. musclemerc

    musclemerc Member Established Member

    Messages:
    290
    Joined:
    Dec 12, 2009
    Location:
    ms
    The stock trans cannot handle 700ftlbs of TQ

    Make power the trans will fail soon afterwards
     
  5. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    Sure about that?

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  6. KEVINS

    KEVINS Well-Known Member Established Member

    Messages:
    521
    Joined:
    Jan 11, 2014
    Location:
    EARTH
    Did you realize this thread is 6 months old?

    ks
     
  7. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    Did you realize im the OP?

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  8. KEVINS

    KEVINS Well-Known Member Established Member

    Messages:
    521
    Joined:
    Jan 11, 2014
    Location:
    EARTH
    Geezz, no I didn't...sorry..

    ks
     
  9. musclemerc

    musclemerc Member Established Member

    Messages:
    290
    Joined:
    Dec 12, 2009
    Location:
    ms
    Yes, I'm 100% sure. I speak from experience. I blew my stock trans soon after installing my Trilogy SC (13.5psi) and I was no where near 700TQ. I now make about 640HP on a built 4R70E transmission with hardened everything. I'll see how long this one lasts.
     
  10. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    The 4r70w was built to handle 700 lbs ft tq.

    In 04, they upped it to 750 by putting in the 4r75w.

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  11. musclemerc

    musclemerc Member Established Member

    Messages:
    290
    Joined:
    Dec 12, 2009
    Location:
    ms
    Actually the 700 is divided by 2 which makes it handle 350lbft not 700
    Do some research and apologize later.
     
  12. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    Can you explain the model number plz?

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  13. bigbadfox

    bigbadfox New Member Established Member

    Messages:
    27
    Joined:
    Apr 9, 2010
    Location:
    Cleveland, OH
    The motor is good to 450 rwhp with a manual. Automatic will be a little less since it robs some power, call it 425 rwhp. When I did my eaton swap I kept it around 400 rwhp with a stock upper and 2 LB lower.

    The trans is more stout than the motor but I'm not sure by how much since the motor has always been the weak link for me.
     
    jmsa540 likes this.
  14. jmsa540

    jmsa540 Well-Known Member Established Member

    Messages:
    2,400
    Joined:
    Dec 17, 2009
    Location:
    Fort Benning, GA
    Was this an easy swap?

    Sent from my SM-G892A using the svtperformance.com mobile app
     
  15. MackDombles

    MackDombles Active Member Established Member

    Messages:
    283
    Joined:
    Jan 19, 2017
    Location:
    Mo
    I thought it was an easy swap. A few things need to get modified but with all the proper parts it's a breeze for a shade tree mechanic.

    Sent from my SM-G930V using the svtperformance.com mobile app
     
    jmsa540 likes this.

Share This Page