Stillen Supercharger reliabiity

Chuck33079 · 02-01-2013, 10:40 AM

Quote:

Originally Posted by elperuano

Another thing you said was SC is instant power? At 3.6-3.7k rpm I'm at full boost. I'm barely under that rpm every shift if running the car hard so it's almost instant boost every shift after.

I think he's referring to the lag between pressing the throttle and the time the turbo needs to produce positive pressure. There's always going to be lag in a turbo setup. Your boost threshold may be 3600 rpm, but there's a delay between pressing the throttle and the time the turbo spins up. On a WOT run, it's less noticable than transitional on/off throttle situations. A turbo setup will never have the same throttle response as a SC since you're driving the SC directly off the crank pulley. It's a trade-off. SC's are going to have better throttle response while making full boost closer to redline and producing less torque. Turbos just have more steps in the process to making boost, and it shows up as lag. I'm not going to touch the Stillen vs GTM SC issue.

Sh0velMan · 02-01-2013, 10:47 AM

Quote:

Originally Posted by Chuck33079

I think he's referring to the lag between pressing the throttle and the time the turbo needs to produce positive pressure. There's always going to be lag in a turbo setup. Your boost threshold may be 3600 rpm, but there's a delay between pressing the throttle and the time the turbo spins up. On a WOT run, it's less noticable than transitional on/off throttle situations. A turbo setup will never have the same throttle response as a SC since you're driving the SC directly off the crank pulley. It's a trade-off. SC's are going to have better throttle response while making full boost closer to redline and producing less torque. Turbos just have more steps in the process to making boost, and it shows up as lag. I'm not going to touch the Stillen vs GTM SC issue.

Quote for truth. All turbo setups have on/off/on throttle lag.

Chuck33079 · 02-01-2013, 10:57 AM

Quote:

Originally Posted by Sh0velMan

Quote for truth. All turbo setups have on/off/on throttle lag.

Yep. Unless you're running some sort of anti-lag setup, in which case you have either bigger balls than I do, or an unlimited turbo budget.

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