Forced Induction and Towing
#1
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Forced Induction and Towing
Looking to put some forced air into a silverado. But the truck will have some towing duties. Figure a 24 foot trailer with car and misc stuff. Truck is a AWD SS. I like the Livernoise kit but which is best for towing and one that wont melt or chew up the tranny. Thanks.
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I also have a Whipple and tow a 19' boat. The instantaneous torque is what you want/need for towing-the Whipple or Radix are the best for that particular application.
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As a new whipple owner i have a question here. I will be doing a small share of towing, not much really but i was wondering this...................It seems that at part throttle i am not really seeing any boost, not until i get half way or more into the pedal do i start to see it climb away from -20 up to say -5 or 0. Is the whipple helping anything out here? Or am i only going to see the benifits of the supercharger when in boost?
#5
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Originally Posted by Order 66
Looking to put some forced air into a silverado. But the truck will have some towing duties. Figure a 24 foot trailer with car and misc stuff. Truck is a AWD SS. I like the Livernoise kit but which is best for towing and one that wont melt or chew up the tranny. Thanks.
Linda, you should not see instant + boost at idle or part throttle. You can verify how much "boost" you are adding at small throttle openings by opening your bypass valve and seeing what your manifold pressure is without the SC assist.
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Originally Posted by Linda
As a new whipple owner i have a question here. I will be doing a small share of towing, not much really but i was wondering this...................It seems that at part throttle i am not really seeing any boost, not until i get half way or more into the pedal do i start to see it climb away from -20 up to say -5 or 0. Is the whipple helping anything out here? Or am i only going to see the benifits of the supercharger when in boost?
#7
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Originally Posted by CoonToot
Going to a smaller pulley helps move the boost 'rise' further down the throttle position slope. IE, at 25% throttle: a 5PSI pulley will be only 25% of 5 PSI - 1.25 PSI, but a 11 PSI pulley will be at 2.75 PSI at that same throttle position. It's not exactly linear, but the effect is there. Although I have an 11 PSI pulley, I rarely ( ) ever am at WOT. Most of the time I am at 30-60% while taking hwy on-ramps or passing other folks. I had the same 'problem' with the stock 6 PSI pulley when I installed mine. You ALREADY want more, don'tcha??
LMAO....well i dont want to commit to wanting more just yet. At least not until i get it all dyno tuned and get some miles on it. Just wondering if i am at part throttle (accelerating from no throttle to part throttle) if the whipple is helping me out or if its just like a natural aspirated engine? If i just give it a little gas i dont really notice the boost gauge move that much, might go from -20 up to -10 or -5......just trying to figure at what point the blower is contributing to the performance. The whole reason i asked, and to get back to the topic, is with this truck.......climbing a hill or passing on a mountain has never really been a challenge. Not even when towing a small load, its rare that it would even drop down a gear unless there is some moderate weight back there. So i was just wondering if when im towing, is the whipple helping me out at all if im not mashing the pedal more than say 50%? I get what your saying about a bigger pulley and that makes sense, but im gonna have to play with it a while first and put some miles on it before i start upgrading. So i will probably wait till Monday before i get it....
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#9
Originally Posted by Linda
As a new whipple owner i have a question here. I will be doing a small share of towing, not much really but i was wondering this...................It seems that at part throttle i am not really seeing any boost, not until i get half way or more into the pedal do i start to see it climb away from -20 up to say -5 or 0. Is the whipple helping anything out here? Or am i only going to see the benifits of the supercharger when in boost?
#10
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Originally Posted by Linda
Just wondering if i am at part throttle (accelerating from no throttle to part throttle) if the whipple is helping me out or if its just like a natural aspirated engine? If i just give it a little gas i dont really notice the boost gauge move that much, might go from -20 up to -10 or -5......just trying to figure at what point the blower is contributing to the performance.