Motive gear break in?
#1
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Motive gear break in?
I searched a bit but couldn't find anything o the topic, I'm having some 3.90 rear gears installed in my Z28 this week and I was wondering if there is a specific gear break in procedure I should follow? At the shop they said just give it 300-500 miles before beating on it, however from all my research with aftermarket rear ends they have very specific break in procedures.
So my question to you all is if there is no specific routine, is there anything to avoid? I'm assuming you'd want to vary speed on the car vs traveling at a constant speed (driving it home on the freeway the whole time a bad idea?). I've also seen some things with aftermarket rears saying to keep speed low initially while the gears are new and to heat cycle them to help surface harden the gear material?
Thanks for any help you can provide,
Eric
So my question to you all is if there is no specific routine, is there anything to avoid? I'm assuming you'd want to vary speed on the car vs traveling at a constant speed (driving it home on the freeway the whole time a bad idea?). I've also seen some things with aftermarket rears saying to keep speed low initially while the gears are new and to heat cycle them to help surface harden the gear material?
Thanks for any help you can provide,
Eric
#4
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I broke mine after 400-500 miles.. and within that time period i drove for 30 min and let it cool for about an hour or so (for the 1st 100 miles). Then the rest i drove 30-45 min and let it cool for 15-30 min.
Not that you have to do it my way religiously. But thats kind of the way i did it
Not that you have to do it my way religiously. But thats kind of the way i did it
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#9
I beat on mine day after I installed it and never had any issues. But I suspect it was mostly because my friend who helped/did majority of it did it just right, shimmed in. And I used Royal Purple if I recall....All I remember it was some expensive *** gear oil. lol