Quote:
Originally posted by HPLouis
How does it make more boost or power? I understand that it has a different ratio but they both have the same specs (1000 max flow cfm, 20psig max, etc.).
When I ask the techs at Vortech about the differences, they tell me that there is no difference. When I bring up the step up ratio, they just tell me that the difference ratio affects the harmonics (gear whine) instead of the power. Since the gears in the SQ are helical cut, the ratio just came out that way versus the gears being straight cut like the SQ. The SQ is 3.60 versus 3.45 in the S.
Henry
Ask them again, the step up ratio spins the impeller faster. It doesn't take a lot of logic to figure out that if you spin it faster then it will make more boost. There is however a limit to how fast you can spin it before you are out of the efficiancy of the blower.