Originally Posted by waldig
I dont have time to wax on and on but code 3 plus a 178 is WAY BIGGER than a 181. ITs beyond the 185 and then some. I tried it , remember that the ratios are like 155 / 72 stock, and 178 / 72 and then stacked 178 / 62 which is almost 3 to one. I was spiking 25 PSI before the belt began to really lose traction. You are not going to run stacked at sea-level without going ga ga on the boost and leaning out major big time. The boost of 25 is beyond street use IMO. Iam having issues with 1 - 2 gear now on a 178 in cooler 45 degree weather with street tires.
Woody be safe/