Not Ranked
3.31 and a CR Top Loader are only good for big long tracks. And MMP is not long enough. For street use this combination is very hard on the clutch. I know, because that is what is in my car and as soon as I have some spare time I am going to change either the trans and make it more of a street car, or change the diff gearing and make it more of a race car. Basically, the CR top loader transmissions are best for racing and WR are best for the street. Note that the TKO600 CR gear ratios are almost the same as the top loader WR box with the addition of an OD gear. All of our customers who have WR TKO600 have not been very happy with the gear split from 4 to 5.
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