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Rb25det Box In Rb25/30

drgnball34
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drgnball34 Rising Star

drgnball34

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Posted

im abit concerned about how my box will cope with my 25/30 combo using a t04z. I have heard from a worshop that one of their cars smashed a os triple plate and even the ppg gearset!!!! And that was with a gt35r. Its the torque that the rb30 produces that kills boxs and not so much the power. It will never see track, rare occasional drag strips, 90% low bst and onli setup high for dynos. What power is acceptable?? kinda hoping 650rwhp

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r33_racer Grand Master

r33_racer

Posted
Posted

The box will shit it in for that kind of work.

Our std rb25 box behind our 25/30 with a gt35r lasted a good year and abit of circuit racing before it destroyed 4th gear syncho. That was with about 400rwkws going through it. Our ppg box so far has lasted about 8-9 months this year with no dramas, only dog ring wear from inexperienced users.

If it is an old std box, it might be worth your while to get it recoe'd with new synchros and bearings and a good check over. That will give it its best shot at lasting.

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