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ed_ma61
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Re: Ed's 7M-GE ... Pics

Mon, 24 November 2003 01:10

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The Acoustic Control Induction System (ACIS) is used in the 7M-GE, 3VZ-FE and 2JZ-GE engines. As with the T-VIS system, the purpose of this system is to improve engine torque throughout the engine RPM range. The system consists of the same basic components as T-VIS and operates similarly. The ACIS system uses a simgle intake air chamber which effectively changes intake runner length as it opens and closes.
ACIS Air Control Valve

The main difference between T-VIS and ACIS is the single butterfly air control valve used in the ACIS system. This valve is located in the center of the intake manifold plenum and is designed to divide the plenum chamber into two sections, a front chamber and a rear chamber. By dividing the manifold plenum into two chambers, the effective manifold runner length can be controlled by opening and closing the valve.

The ECU controls the position of the intake air control valve based on input signals from the throttle angle (VTA) and engine RPM (Ne). The VSV, which controls the vacuum supply to the actuator, is normally closed and passes vacuum to the actuator when it is energized by the ECU.

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Read Message Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 09:52
Re: Ed's 7M-GE ... Pics SIMDOG Sun, 23 November 2003 10:06
Re: Ed's 7M-GE ... Pics gianttomato Sun, 23 November 2003 10:10
Re: Ed's 7M-GE ... Pics Cressida Supra Sun, 23 November 2003 13:26
Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 13:43
Read Message Re: Ed's 7M-GE ... Pics Cool1 Sun, 23 November 2003 10:10
Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 10:19
Re: Ed's 7M-GE ... Pics Norbie Sun, 23 November 2003 10:24
Re: Ed's 7M-GE ... Pics DLuded Sun, 23 November 2003 10:27
Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 11:11
Read Message Re: Ed's 7M-GE ... Pics draven Sun, 23 November 2003 10:29
Re: Ed's 7M-GE ... Pics BlackSupra Sun, 23 November 2003 11:24
Re: Ed's 7M-GE ... Pics V8_MA61 Sun, 23 November 2003 11:40
Re: Ed's 7M-GE ... Pics Evil_Foetus Sun, 23 November 2003 12:14
Re: Ed's 7M-GE ... Pics Mr DOHC Sun, 23 November 2003 12:25
Read Message Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 12:34
Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 12:38
Re: Ed's 7M-GE ... Pics draven Sun, 23 November 2003 12:38
Re: Ed's 7M-GE ... Pics Evil_Foetus Mon, 24 November 2003 07:46
Re: Ed's 7M-GE ... Pics thetoyman75 Sun, 23 November 2003 13:07
Read Message Re: Ed's 7M-GE ... Pics V8_MA61 Sun, 23 November 2003 13:12
Re: Ed's 7M-GE ... Pics THE WITZL Sun, 23 November 2003 13:18
Re: Ed's 7M-GE ... Pics Cressida Supra Sun, 23 November 2003 13:55
Re: Ed's 7M-GE ... Pics ed_ma61 Sun, 23 November 2003 14:09
Re: Ed's 7M-GE ... Pics bbaacchhyy Sun, 23 November 2003 22:43
Read Message Re: Ed's 7M-GE ... Pics ed_ma61 Mon, 24 November 2003 00:27
Re: Ed's 7M-GE ... Pics bbaacchhyy Mon, 24 November 2003 01:00
Re: Ed's 7M-GE ... Pics ed_ma61 Mon, 24 November 2003 01:10
Re: Ed's 7M-GE ... Pics bbaacchhyy Mon, 24 November 2003 01:25
Re: Ed's 7M-GE ... Pics ed_ma61 Mon, 24 November 2003 01:29
Read Message Re: Ed's 7M-GE ... Pics Cressida Supra Mon, 24 November 2003 01:40
Re: Ed's 7M-GE ... Pics ed_ma61 Mon, 24 November 2003 02:00
Re: Ed's 7M-GE ... Pics Cressida Supra Mon, 24 November 2003 02:05
Re: Ed's 7M-GE ... Pics ed_ma61 Mon, 24 November 2003 02:11
Read Message Re: Ed's 7M-GE ... Pics Allan Mon, 24 November 2003 05:13
Re: Ed's 7M-GE ... Pics FreaK Fri, 12 December 2003 02:33
Re: Ed's 7M-GE ... Pics bubs Fri, 28 November 2003 00:30
Re: Ed's 7M-GE ... Pics ed_ma61 Fri, 28 November 2003 01:28
Re: Ed's 7M-GE ... Pics bubs Fri, 28 November 2003 00:34
Read Message Re: Ed's 7M-GE ... Pics draven Fri, 28 November 2003 00:37
Re: Ed's 7M-GE ... Pics bubs Fri, 28 November 2003 05:03
Re: Ed's 7M-GE ... Pics ed_ma61 Fri, 28 November 2003 06:25
Re: Ed's 7M-GE ... Pics Caledwvech Fri, 12 December 2003 02:47

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