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Old 07-08-2012, 02:05 PM   #1
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Default Mugen MRX3?? will MRX4 gears fit?


Will the 2 speed gear's from a MRX4 fit a MRX3??

thank you for the time and effort in advance!! Jesse Franklin
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Old 07-08-2012, 03:12 PM   #2
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I believe not, if I am right (it is already a while ago) the MRX3 gears are mounted with a circlip. When using the MRX4 1st and 2nd gearbox adapters it will fit.

The pulley set of the MRX4 will fit, the big rear pulley is smaller on the 4 but there are spacers included.
Speed is only fiction but a 130+km/h MRS4 is for real.
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Old 07-08-2012, 03:12 PM   #3
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Yes and no. No they will not directly but if you replace the one-way and two speed housing with MRX4 parts, then yes they will.
Sean. Certified speed crazed mowron.
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Old 07-08-2012, 10:15 PM   #4
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Yes, mrx4 spur gears will fit fit into mrx3.

However, you need mrx4 1st one way housing and 2nd gear housing too.
On Road : Xray NT1 , RX8 , T4 || Mugen Seiki MRX4-R , MTX4 , MTX3 prospec || Tamiya M03 , M04 || Top Racing Sabre FD2
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