[QUOTE=Fonzi;17865488]Differentials are not too difficult to swap if you can deal with an incorrect speedo or altering yours.
Some guesses at diff ratios:
Hereís what I think I remember from memory on diff ratios. Feel free to correct it.
3.69 early m110
3.58 late m110
3.06 early 4.5
2.65 late 4.5
2.72 early 5.0
3.27 euro 3.8
2.47 US 3.8
2.47 and 2.27 5.0 and 5.6 I believe, many LSD.
The only factory overdrive option was the m110 5-speed. So otherwise, highway RPMs (if thatís what youíre concerned with) is directly related to the diff ratio.
With my 3.58 1985 280sl 5-speed, overdrive / 5th is really for just cruising when you are done having fun smashing the gas pedal. I tend to find myself staying in 4th for most of my highway driving in traffic because I like to be able to get good throttle response. Iíve come to the conclusion that Iím not like
who drives tens of thousands of miles all over North America in his 280sl. Iím fine without the overdrive , smashing the gas pedal for more fun, less long distance highway cruising. I really like my 350sl 4-speed that has a 4.5 in it. Im hoping to upgrade that 190hp motor to a ~220 HP Euro 4.5 I recently got. I also think about putting that same kind of trans on
ís old 450slc 5.0 (currently a 3-speed auto). Manuals on v8ís are FUN in my opinion.
Oh... anti-squat rear end. The higher torque cars got them.
Euro 4.5 - got it
US 4.5 - nope
3.5 - nope
2.8 - nope
US 3.8 - nope
Euro 3.8 SL - got it
Euro 3.8 SLC - nope
4.2 ?? Not sure
3.0 - nope
5.6 - got it
5.0 - got it
I want to put an anti-squat rear end in everything I own and want to see if others can teach me why they all didnít get it.
Oh. Hydraulic suspension might have caused a car not to get it. Iím not sure. US 560sel cars didnít get it. Thatís w126 stuff though.
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