Join Date: Oct 2013
Location: Lebanon, TN
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No thats not really true. What you have to remember is that spooling characteristics are kinda up to how the end user prefers to drive. One person may think a turbo is crazy laggy while the other thinks its not too bad. Now an s400 is not going to be the quickest spooling turbo you could buy but I do believe there are some trick things you can do to help them out. For example anytime you can open up the pathway into the cylinder and decrease the resistance of the air going in I.E. lowering the boost a little by nature you can pickup some spoolup. Boost is simply a measure of restriction in the head so I have a personal theory I'd really like to see done and I somewhat have in race engines. If you went ahead and milled the intake off and did a good port and polish and maybe a cam I believe you would see a noticeable increase in how well the turbo spools. This being because you decreased the resistance of the air getting in and because you were able to get the air in faster and a cooler charge and density then that also means youll begin to burn your fuel sooner and because of that youll be spooling the turbo faster on the exhaust side. Ive heard the cr guys and even the mechanical mafia say they've made around 1200hp on 30psi of boost or even 800hp with 15psi of boost. Boost is just a measurement of restriction so decreasing boost but adding flow means you can make the same or more power with less pressure.
02 6 spd QCSB, drag comp, DAP 7x.012 VCO, 63/68/14 sxe, ARP 2000, hamilton 103, hamilton pushrods, SB 3250, 5in exhaust, Fass 150, follow me on instagram @pr0ject_blue
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94 sclb dually tuned and 3kgs