70 or 75 xmsn?
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Laughing Gas
Joined: Dec 2009
Posts: 799
Likes: 13
From: East L.A.
70 or 75 xmsn?
I'm expecting to be flamed for this but I'm tired of wading through posts and "search"...
...transmission code "SE" is which xmsn? ('06 STX 4x4, 4.6L)
R code is K, axle code is H5, SPR code is TTM
I know I read on some post in here, somebody knew how to ID the xmsn, rear-end ratios, springs, etc.
My appologies.
...transmission code "SE" is which xmsn? ('06 STX 4x4, 4.6L)
R code is K, axle code is H5, SPR code is TTM
I know I read on some post in here, somebody knew how to ID the xmsn, rear-end ratios, springs, etc.
My appologies.
Cargo Master
Joined: Aug 2002
Posts: 2,117
Likes: 8
From: Over Yonder, MN
TR:
A — 4-speed automatic, 4R70E — F-150
F — 4-speed automatic, 4R75E — Mark LT
M — 5-speed manual, M5R2-C — F-150
Q — 4-speed automatic, 4R75E (Livonia) — F-150/Mark LT
Spring codes are listed as a 2-part code. The first characters listed identifies the front springs. The second character listed identifies the rear springs.
Front Springs
A — 4L34-5310-AAA — F-150
B — 4L34-5310-BAA — F-150
C — 4L34-5310-CAA — F-150
M — 4L34-5310-MA — F-150
N — 4L34-5310-NA — F-150
P — 4L34-5310-PA — F-150
R — 4L34-5310-RA — F-150/Mark LT
S — 4L34-5310-SA — F-150/Mark LT
T — 4L34-5310-TA — F-150/Mark LT
U — 4L34-5310-UA — F-150/Mark LT
V — 4L34-5310-VA — F-150
X — 4L34-5310-XA — F-150
Y — 4L34-5310-YB — F-150
Z — 4L34-5310-ZB — F-150
Rear Springs
M — 6L34-5560-MB — F-150/Mark LT
P — 4L34-5560-PM — F-150
R — 6L34-5560-RB — F-150/Mark LT
S — 4L34-5560-SD — F-150
Axle:
19 — 3.55 non-limited slip — F-150
25 — 4.10 non-limited slip — F-150
26 — 3.73 non-limited slip — F-150/Mark LT
27 — 3.31 non-limited slip — F-150
B5 — 4.10 limited slip — F-150
B6 — 3.73 limited slip — F-150/Mark LT
H9 — 3.55 limited slip — F-150
R code
5 — Premium electronic AM/FM stereo with compact disc (CD) player — F-150
6 — Premium electronic AM/FM stereo with CD changer, clock and MP3 — F-150
7 — Electronic AM/FM stereo clock — F-150
B — AM/FM stereo with CD changer, clock and MP3 — F-150/Mark LT
K — Premium electronic AM/FM stereo with CD player, cassette and clock — F-150
A — 4-speed automatic, 4R70E — F-150
F — 4-speed automatic, 4R75E — Mark LT
M — 5-speed manual, M5R2-C — F-150
Q — 4-speed automatic, 4R75E (Livonia) — F-150/Mark LT
Spring codes are listed as a 2-part code. The first characters listed identifies the front springs. The second character listed identifies the rear springs.
Front Springs
A — 4L34-5310-AAA — F-150
B — 4L34-5310-BAA — F-150
C — 4L34-5310-CAA — F-150
M — 4L34-5310-MA — F-150
N — 4L34-5310-NA — F-150
P — 4L34-5310-PA — F-150
R — 4L34-5310-RA — F-150/Mark LT
S — 4L34-5310-SA — F-150/Mark LT
T — 4L34-5310-TA — F-150/Mark LT
U — 4L34-5310-UA — F-150/Mark LT
V — 4L34-5310-VA — F-150
X — 4L34-5310-XA — F-150
Y — 4L34-5310-YB — F-150
Z — 4L34-5310-ZB — F-150
Rear Springs
M — 6L34-5560-MB — F-150/Mark LT
P — 4L34-5560-PM — F-150
R — 6L34-5560-RB — F-150/Mark LT
S — 4L34-5560-SD — F-150
Axle:
19 — 3.55 non-limited slip — F-150
25 — 4.10 non-limited slip — F-150
26 — 3.73 non-limited slip — F-150/Mark LT
27 — 3.31 non-limited slip — F-150
B5 — 4.10 limited slip — F-150
B6 — 3.73 limited slip — F-150/Mark LT
H9 — 3.55 limited slip — F-150
R code
5 — Premium electronic AM/FM stereo with compact disc (CD) player — F-150
6 — Premium electronic AM/FM stereo with CD changer, clock and MP3 — F-150
7 — Electronic AM/FM stereo clock — F-150
B — AM/FM stereo with CD changer, clock and MP3 — F-150/Mark LT
K — Premium electronic AM/FM stereo with CD player, cassette and clock — F-150
Senior User
Joined: Aug 2009
Posts: 434
Likes: 0
From: Ontario, Canada
Patience Grasshopper, try waiting more than an hour and a half between bumps....
Cut and Pasted from a 5-second Google search.
...or you could always try doing this. 
http://lmgtfy.com/?q=4R70W+vs+4R75W
Cut and Pasted from a 5-second Google search.
ENHANCED AUTOMATIC TRANSMISSIONS
Matched to the new 5.4-liter V-8 is a new 4R75E automatic transmission, an evolution of the 4R70E used on the current F-150. Upgraded to handle the torque of the 5.4-liter engine, this transmission shares patented upgrades with the 4R70E, which backs the 4.6-liter V-8:
* A redesigned torque converter improves launch performance and increases efficiency.
* A turbine speed sensor improves transmission control, providing the basis for fully electronic shift scheduling to limit "hunting" and to fine-tune shift speed and feel.
* Increased microprocessor speed improves responsiveness and precision of the control system.
* "Smart" fully electronic shift scheduling knows what the torque will be in the next gear so it chooses the shift points based on the vehicle's projected performance in the next gear.
* Coupled with the electronic throttle strategy, the transmission computes the output torque required to maintain the vehicle speed, and chooses the correct gear and converter state accordingly.
* A sealed case and lifetime transmission fluid make the transmission maintenance free, while adaptive pressure control maintains consistent shift feel over time.
By predicting the performance of the truck in the next gear, the computer-controlled transmissions provide a more sophisticated solution to heavy demands than a simple shift delay switch, such as the one-size-fits-all "towing mode" some competitors use.
Matched to the new 5.4-liter V-8 is a new 4R75E automatic transmission, an evolution of the 4R70E used on the current F-150. Upgraded to handle the torque of the 5.4-liter engine, this transmission shares patented upgrades with the 4R70E, which backs the 4.6-liter V-8:
* A redesigned torque converter improves launch performance and increases efficiency.
* A turbine speed sensor improves transmission control, providing the basis for fully electronic shift scheduling to limit "hunting" and to fine-tune shift speed and feel.
* Increased microprocessor speed improves responsiveness and precision of the control system.
* "Smart" fully electronic shift scheduling knows what the torque will be in the next gear so it chooses the shift points based on the vehicle's projected performance in the next gear.
* Coupled with the electronic throttle strategy, the transmission computes the output torque required to maintain the vehicle speed, and chooses the correct gear and converter state accordingly.
* A sealed case and lifetime transmission fluid make the transmission maintenance free, while adaptive pressure control maintains consistent shift feel over time.
By predicting the performance of the truck in the next gear, the computer-controlled transmissions provide a more sophisticated solution to heavy demands than a simple shift delay switch, such as the one-size-fits-all "towing mode" some competitors use.
http://lmgtfy.com/?q=4R70W+vs+4R75W
Thread Starter
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Laughing Gas
Joined: Dec 2009
Posts: 799
Likes: 13
From: East L.A.
Thanks, Sensei. (it was a 3 DAY bump, by the way) I was actually asking for more "hands-on" experience from users/owners. I'm not sure I like the idea of a sealed transmission (75) with "lifetime fluid".
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