Nothing about the Business, but I do know about gas it's self. I do know Chevron is the reason California gas prices are so high. And the gas is bad. Most if it is chemical cleaning additive.
Wooo, 750cfm is way to much carb. 600cfm is plenty. Then play with your jets till you get 18 to 20 vacuum inches at idle. What is your vacuum at idle now?
Don't put the tire on. The axle needs to go in straight or you let it lean on the seal, it will damage the seal. And make sure you have the correct seal, cause auto parts places are listing the wrong ones.