4r55e/5r55e question
#1
#3
Mechanically they are almost identical. 1st gear gets overdriven and becomes "2" gear, and 2 becomes 3rd, etc. 95 is EEC-V and has the obd II data link connector. I can datastream and everything else like the 96 and later. So, it's a bit of a bastard child PCM. Local trans shops would be useless for any type of conversion like this.
#4
#8
97
http://en.wikipedia.org/wiki/Ford_Bo..._Transmissions
I don't have a 97 manual. 95 96 99 02 are the years I have. Changes happened in 98 and 01 so the info should be good but, YMMV.
# 1997 Ford Aerostar
# 1997–Current Ford Ranger
# 1997–Current Mazda B-Series
# 1997–Current Ford Explorer
# 1997–Current Ford Ranger
# 1997–Current Mazda B-Series
# 1997–Current Ford Explorer
I don't have a 97 manual. 95 96 99 02 are the years I have. Changes happened in 98 and 01 so the info should be good but, YMMV.
#10
As compared to the 95/96 4R, the 1997 5R adds an Output Shaft Speed sensor and an Overdrive Drum Speed sensor; both mount through holes in the trans case. The 5R also uses a completely different Transmission Range Sensor and matching engine/trans harness. There may be more.
The extra "1st OD" gear only functions during heavy throttle acceleration. The transmission controls skip it any other time. So, potentially slightly better acceleration but no impact on fuel economy. Even if it were possible to swap parts to create a 5R, would that be worth it?
The extra "1st OD" gear only functions during heavy throttle acceleration. The transmission controls skip it any other time. So, potentially slightly better acceleration but no impact on fuel economy. Even if it were possible to swap parts to create a 5R, would that be worth it?
Last edited by V8 Level II; 10-12-2010 at 04:17 AM.
#12
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