Hey guys, luke from new zealand :) newbie to sau.
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By Dose Pipe Sutututu · Posted
74mm would be good, however you will find you will need to gently ramp in the pedal vs. throttle so it feels smooth and linear (not like those silly carb V8s where you touch the throttle 1mm and the car wants to fry tyres). This is how mine is dialled in with a 74mm DBW TB, I wanted 68mm but Plazmaman couldn't weld a 68mm flange onto the plenum. You said you want 373kW to 447kW, you don't need a 62mm turbo to do that, that turbo can spin over 500kW+ -
I'm running a greddy style plenum with stock throttle body on my rb30 (rb25 series 2 head) stagea, it is making 400kw through that. There are plenty of ways to spend money on the car, you don't need to change the intake you have for 600hp -
Well, tell me how I can make around the 500-600hp mark with a T3 top Mount turbo if my Aeroflow 6262 .84 T4 is too big as I was going to build it for 5-600 and flex fuel and stages like boost Lvl 1 - 15 psi boost lvl 2- 20 psi boost lvl 3 27-30 psi for example -
By Watermouse · Posted
Would a 74mm be fine for a Neo 25, 98 fueled 300wkw or 68 would be more appropriate? -
By Dose Pipe Sutututu · Posted
big throttle bodies don't magically make more power. You only need to go bigger if you have more boost pre throttle than post throttle when at WOT. 68 or 74mm DBW is more than sufficient for most people.
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