i have the 91 mr2 it is running verry lean i cant drive it i have already lost $300 cuz i couldnt race it i need to figure out wats wrong with it it was running great then i slung a rod and nocked a hole in the block so i got a new motor i swaped the injectors and it still runs the same its turning the exaust red hot any help is greatly appreciated i have another race in a week i need it i cant afford to forfit agin