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| Originally Posted by FATHER CirruSR22.. i want to swap this week i know that the perfect diff is the manual, but i have 19" wheels , what is better in my case 4.10 or 3.45?? |
What size tires are you running? If they are the stock circumference, a 4.10 diff would have you running about 3850 RPM at 70 mph and 4400 RPM at 80mph. The acceleration would be good, but I don't think I could stand cruising at near 4500 RPM for long distances though. Not to mention how crappy the fuel mileage would be.
BUT, being in Puerto Rico, are you driving on a lot of freeways? I don't even know what it's like there. If it's all "slower", urban areas, a 4.10 might be fun.
