12-17-2021, 11:45 PM
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#11 (permalink)
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Base Member
Join Date: Mar 2021
Location: California
Posts: 79
Drives: 2017 370z Nismo
Rep Power: 5
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Quote:
Originally Posted by GrayGhost
I think a great thing to emphasize about the topgunz kit as to why you are seeing more area under the curve is because the unique ability to bleed off excess boost especially when the original pulley that comes with the kit is sized to almost max out the blower. If this kit can hit 20psi by redline and you set it to 10psi, then you will hit 10psi by about midrange and theoretically you could keep a flat torque curve to redline. So this kit at 10psi will definitely look different than other kits at 10psi, unless the other kit it also running a 20psi pulley on a blower that could support that amount of flow but its limited to 10psi somehow.
Point being, out of the box it is definitely superior to other out of the box kits. (although with throwing a bunch of additional stuff to other kits, you could see similar graphs) and because of that feature it will look more like a turbo graph, yet be more predictable as you build boost.
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I might be going out on a limb here so Aaron can chime in if I'm wrong but superchargers really only differ in the top half end when raising boost and that goes for all superchargers on this platform. If you look at the graphs on page 20 you can see that up to about 4.5k they are the same despite differing in PSI. This goes for other kits that I've noticed as well including Stillen, SOHO, etc. The biggest difference is really going to come down to the choice and type of blower which was the Rotrex C38R and the way the kit was set up. You won't see anything similar with other kits despite throwing everything at them (pulley mods, impeller mods, A2A conversions, etc.) because the powerband is on a whole different level.
Last edited by Mr.K; 12-17-2021 at 11:48 PM.
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