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Old 01-23-2003, 03:09 AM   #151
FastM3
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Quote:
Originally posted by SOLDOMATIC 325i
see, ilike this guy, he doesn't talk ANY SH IT cause he backs up whatever he says!!
Very true, but I'm not lying about my adventure and I got 2 friends to prove it. But not all of us had a camera on us when we did the stunt. But next time I will.
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Old 01-23-2003, 11:08 AM   #152
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Quote:
Originally posted by superM3
The differential was changed as well.
And what differential was put into the car? There aren't many taller ratios available for the E36, unless it's a custom gearset.

The E36 M3 (US spec) came with a 3.23 rear end, and is mechanically restricted to 157 MPH tops.

With the 3.15 rear end from the Euro M3 it's 161 MPH tops.

Doesn't matter if the car was blown, sprayed, whatever. No effect on the top speed at all...just an effect on how quickly it gets up to that speed.

I'm doubting anybody has changed the rear diff in that car...if anything, they would have gone shorter, and not taller, as the M3 is simply geared for highway driving to begin with. All the Euro options for the E36 M3 involved a 3.64:1 or 3.91:1 rear end instead of the 3.15:1 stock unit.


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Old 01-23-2003, 12:27 PM   #153
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Quote:
Originally posted by GR8 Ride
And what differential was put into the car? There aren't many taller ratios available for the E36, unless it's a custom gearset.

The E36 M3 (US spec) came with a 3.23 rear end, and is mechanically restricted to 157 MPH tops.

With the 3.15 rear end from the Euro M3 it's 161 MPH tops.

Doesn't matter if the car was blown, sprayed, whatever. No effect on the top speed at all...just an effect on how quickly it gets up to that speed.

I'm doubting anybody has changed the rear diff in that car...if anything, they would have gone shorter, and not taller, as the M3 is simply geared for highway driving to begin with. All the Euro options for the E36 M3 involved a 3.64:1 or 3.91:1 rear end instead of the 3.15:1 stock unit.


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His car is a Euro 328i, maybe they were different?
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Old 01-23-2003, 02:33 PM   #154
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No, his car is a US spec M3, blown. It's not a 328i / is.

The 328 rear diff is a 2.93:1 unit, but it's also generally an open diff, and not a limited slip diff.

Also, the bolt pattern is different on the input shaft, and the gearset is a little smaller. I'd be highly surprised if somebody swapped in a 328 rear diff, as top speed would still be restricted to 173 MPH with those numbers.

It's the stupid way to build a car...how often do you accelerate as hard as possible, and how often do you get to exceed 150 MPH? The first one I can see quite often (which is why the Euro models offered 3.64:1 and 3.91:1 rear diffs). Around Toronto (or anywhere in NA for that matter) you rarely (and shouldn't on city streets / highways!) get to see 150 MPH+. Even on a track like Mosport, you might see 150 MPH+ ONCE near the end of the backstraight.

Even if you were building the car as a racecar, you would have gone shorter on the rear end, not taller. We've had supercharged US spec M3's at Mosport before, and they don't max out at the end of the backstraight at Mosport in 5th gear (157 MPH) with the 3.23 rear diff. Doubtful this kid is going to either...

So I agree with SF, and I'm calling BS on this one.


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