Not sure what you mean by "on a cold morning, the density of the gasoline is higher"?? Doesn't gasoline expand in the heat and contract in the cold??
Black 98.5 SVT w/ KKM intake, 73mm MAF, ASP pulley, Optimized stock Y-Pipe, 24mm hollow rear sway bar, Magnaflow resonator, Magnaflow mufflers, Roush springs, KYB struts
| 
