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Thread: 6R80 Swap

  1. #1
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459

    6R80 Swap

    Gents the purpose of this thread will be to document my progress as I complete a 6R80 swap in my 2003. Maybe this helps someone down the road.

    I'm taking a little break after working on my Chevelle so much by giving my neglected Marauder some much needed upgrades.

    Here are the reasons I have decided to do this swap, in no particular order:

    -Performance improvement
    -MPG increase, especially when I reinstall my OG 3.55s
    -chance to eliminate the low load ticking which must be the flexplate at this point. (entirely new engine, but kept the flexplate which I believe has a hairline crack)
    -eliminate poor performance due to the used aftermarket torque converter I got for free. Yes, it is my fault for not having it cut open.

    (read some of my old threads for more history on my car's issues.


    Here are the parts I have gathered:

    -2012 F150 6R80 with 90k on it, with stock converter, flexplate, all bolts, and engine spacer/shim $475
    -quick 6 controller I bought brand new in the box for $700 on facebook
    -8an line and fittings $150
    -8an line adapter plate $60
    -trans cooler from 2009 expedition $65
    -driveshaft from 2009 explorer 4.6 2wd $150
    -1 inch aluminum driveshaft spacer with ARP hardware $80
    -12 quarts mercon LV, new filter, and new valve body module connector $110
    -stiffler's 6R80 mount $45
    -MartyO updated tune $175


    -Modified stock crossmember (still in progress)



    My plan is to do this in a couple weeks. I will be taking some pictures and sharing my experience after. I have 4.10s now, but I plan to put 3.55s back in for MPG and to keep the gear usable for my combo. We'll see once I drive it for a little while.
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  2. #2
    Join Date
    Apr 2010
    Location
    South Florida
    Age
    34
    Posts
    1,870
    Good luck! Very interested on the swap!


    Sent from my iPhone using Tapatalk Pro

  3. #3
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Here is a picture of the car and some of the parts involved in the swap.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  4. #4
    Join Date
    Jun 2008
    Location
    Waukesha, WI
    Posts
    1,604
    Subscribed. This is the route I’m going to go if my 4R75W bites the dust
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

  5. #5
    Join Date
    Jun 2003
    Location
    Timbuk3, MI
    Posts
    2,441
    376shovel ... < pic of Dorman 918-254 Automatic Transmission Cooler >
    You may (?) want to consider the desert version of the F-150 6R80 - part # DL3Z-7A095-B (9-row verses 4-row) *TASCA link.


  6. #6
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Quote Originally Posted by gdmjoe View Post
    You may (?) want to consider the desert version of the F-150 6R80 - part # DL3Z-7A095-B (9-row verses 4-row) *TASCA link.

    Good find. The factory 2012 f150 cooler is 4 row. The expedition is 6 row, which is the one i got. I did not know about the 9 row, but if i have trouble managing trans temp (which i don't believe i will with a stock converter and a lighter vehicle) i will swap to that one.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  7. #7
    Join Date
    Sep 2006
    Location
    Deer Park, Long Island
    Age
    39
    Posts
    546
    Does the 2012 6r80 have the 2 bolt starter mount or the 3 bolt starter mount? I've been considering this swap for a while and the main issue I hit when researching this swap is the starter.

    The two bolt starter has different teeth which requires a different flex plate. The compatible flex plate is 8 bolt not 6 bolt. The Marauder has a 6 bolt crank. The 8 bolt crank from the manual 03-04 Mach 1 mustangs should work, but now that would mean a crank swap and probably a full engine rebuild that I would like to avoid. I've heard that the 6r80 installed in the Mustangs has the 3 bolt starter, but I'm not sure if this is true and I have yet to see photo evidence of this elusive 3 bolt starter on a 6r80 anywhere on the internet.

  8. #8
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Quote Originally Posted by RocsMerc View Post
    Does the 2012 6r80 have the 2 bolt starter mount or the 3 bolt starter mount? I've been considering this swap for a while and the main issue I hit when researching this swap is the starter.

    The two bolt starter has different teeth which requires a different flex plate. The compatible flex plate is 8 bolt not 6 bolt. The Marauder has a 6 bolt crank. The 8 bolt crank from the manual 03-04 Mach 1 mustangs should work, but now that would mean a crank swap and probably a full engine rebuild that I would like to avoid. I've heard that the 6r80 installed in the Mustangs has the 3 bolt starter, but I'm not sure if this is true and I have yet to see photo evidence of this elusive 3 bolt starter on a 6r80 anywhere on the internet.
    3 bolt starter. If you like yo starter, u can keep yo starter. Im using the flexplate that came with the 6r80 tho.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  9. #9
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Update: Tomorrow is the day I start the swap. Here is a picture of my modified crossmember, before i drill a hole for the ttans mount.


    Also, be aware, the 6r80 flexplate is for an 8 bolt crank. I have a 6 bolt crank so i plan to use the new 2005 aviator replacement flexplate i have sitting around. It is the same tooth count and thickness as the 6r80 flexplate.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  10. #10
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Alright gents here is an update for you. The 4r70w is out. The 6r80 is in. The explorer driveshaft was direct bolt in with a 1 inch spacer. I had to trim a tiny bit more off the front of the crossmember and drill the hole for the new mount. I reused the original driveshaft bolts to bolt the new deiveshaft to the transmission side, and i used the ARP bolts that came with the spacer to attach it to the differential.

    The torque converter used 4 m10x1.0 nuts.

    The factory shifter cable works well with the f150 style cable bracket i got with the trans. The shift lever bracket that the previous owner of the trans made WORKS, but in the future i will likely buy the pbh piece as i like the bushing style better than lock washers.

    The factory starter bolts up as normal.

    I used the factory marauder style flexplate.

    I made the trans lines out of 8an ptfe lined nylon hose. We made and mounted a bracket to hold the new trans cooler onto the front support brace. More pics to follow on that once i get it cleaned up and a more permanent install.

    Everything was pretty straightforward and easy. I used 6 bellhousing bolts from the 6r80 f150 application. I then used 1 original bellhousing bolt on the drivers side, the one with the stud at the end, to hold the o2 sensor wiring bracket in place

    The new tune was loaded, the 6r80 controller was wired up. Side note it is a bitchhhh to get to the pcm wiring and splice/solder/heat shrink the required wires. The small space and no excess length make it difficult.

    We drilled a 3/4 hole through the firewall, next to the pcm, to run the harness through.

    I tried to start the car for the moment of truth...turn the key and nothing happens. I have attached a wiring diagram to show that you need to jump wires 10 and 12 together off the original trans range sensor to make the pcm think it is on park or neutral. I found this out after.

    Right now the car is about 30 mins away and i won't be able to get over to it for a couple days, so i have to wait until then to jump the wires and hopefully drive it home.

    Updates to follow.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  11. #11
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Looks like these didn't upload.

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  12. #12
    Join Date
    Apr 2010
    Location
    South Florida
    Age
    34
    Posts
    1,870
    Very interested in how it drives! 3.55 gears in the back?


    Sent from my iPhone using Tapatalk Pro

  13. #13
    Join Date
    Jan 2016
    Location
    South NJ
    Posts
    459
    Quote Originally Posted by 03Merc View Post
    Very interested in how it drives! 3.55 gears in the back?


    Sent from my iPhone using Tapatalk Pro
    4.10s for now. I have 3.55s on the shelf so we'll see. I will likely go back to a larger tire too. I used to have 255 55s before going to the stock size

    Sent from my SM-G930U using Tapatalk
    2003 Marauder 300A
    #2928 of 7838
    Build date: 8/6/02
    Ship date: 5/28/03
    14.33 @ 96.82 with OLD engine
    6R80 swap in progress

    1968 Chevelle
    NA/Pump Gas 10.4 @ 128 mph
    416/4L85E LSA Supercharged build underway

  14. #14
    Join Date
    Apr 2006
    Location
    Smyrna, DE
    Age
    72
    Posts
    1,785
    Following.....
    2004 MM (Black) #112 of 3213 (SOLD)

    2022 Ford Ff-150 SuperCab Iconic Silver "Powerboost"
    3.35 L 4X4
    -AND-
    SLAYER1
    formerly owned by "Impala Slayer!! 2004 SB MM
    Kenne Belle 2.8 (Liquid Cooled), MMR "Boss 302" Block, L&M Engines rebuild Kooks Headers and cats, Accusump Pre-Oiler Dynamax VT mufflers, MBS 2 1/2" exhaust, 4.10's, 2800 stall, Argento 312 "Color" Powder coated wheels, Rears widened 1 1/2 "703
    702 RWHP/653 RWTQ @ 21 Lbs. Boost, M/M catch can, 3 pillar gauge (Boost, Fuel, air intake and coolant temp, custom console cover, S-55 treatment etc...

  15. #15
    Join Date
    Mar 2008
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    Next door to my neighbor
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    Great job!


    Sent from my iPhone using Tapatalk Pro
    SOLD 12/31/2021

    Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.

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