Thread: No boost?
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Tippy Tippy is online now
Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 8,715
Originally Posted by Raceboy View Post
Actually it will because the wastegate will not begin to open so soon (with single port control, wastegates tend to begin to open at ~1/3 of the target pressure).
The stiffer the spring, the sooner it will wake up. This is the whole idea behind dual-chamber control, just with latter the wastegate spring stiffness is literally reduced when boost target has been reached.
He meant the factory Holset WG flapper, not the external.
Cory - turbo'd '87 C3.2 Guards/Blk, 3.4, 7.5:1 CR P & C's, soon to be 993SS cams and GSXR 750 ITB's fed by 964 intake, Borg-Warner S366 turbo @ 1.4 bar, Treadstone full bay IC, TiAL F46 WG, HKS 1 1/2" BOV, twin 044 pumps, MegaSquirt 2 (v3.57 board) w/EDIS, Tramont wheels (285's rr, 225's frt), Big Reds frt, 993 rr., tower brace, MOMO wheel
Old 12-04-2013, 12:56 PM
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