I have a 400 stroker motor done by CT Racing and I have been unable to figure out the best set up. I am going to purchase the PWK33mm carbs but CT informs me that I will loose some bottom end, is this true? I am a 265lb guy and I am not sure what gears to run to make up for the loss if bottom end power with the larger carbs. I also need to figure out what chain length to run if I went to a 15/46 set up with a stock swing arm. Any help?