From what I've read the Mfactory diff is pretty good, and I already have a Mfactory 4.64 final drive with atr diff, it really is a beast, unless you like doin top speeds or motorway cruising over 85 then its maybe a touch to much. Like you say it's expensive parts but it's soo different from a m2a4 to the 4.64 and lsd.
There should be a track day video in my lude profile, maybe worth a watch seeing how quick it gets through gears.
Congratulations to vtecmec for winning May/June's Lude Of The Month, with his DIY Turbo BB1 build.
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Fitting U2Q7 LSD unit into M2P4 Gearbox
- Merlin
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M2P4prelude_h22 wrote:Hi All. clarification from Rich at PAW regarding the fitting of the U2Q7 diff in the M2P4 gearbox


Yeah that will be a bit on the mental side, especially for the M2P4 (which has shorter 2nd & 3rd gears). I have the 4.64 in my M2F5 and there is quite a difference over the stock final drive for that gear box.prelude_h22 wrote:I assume the 5.15 final drive isn't ideal?